CA2051323A1 - Substituted 1,2,4-triazinediones, processes for their preparation, intermediates therefor and their use - Google Patents
Substituted 1,2,4-triazinediones, processes for their preparation, intermediates therefor and their useInfo
- Publication number
- CA2051323A1 CA2051323A1 CA002051323A CA2051323A CA2051323A1 CA 2051323 A1 CA2051323 A1 CA 2051323A1 CA 002051323 A CA002051323 A CA 002051323A CA 2051323 A CA2051323 A CA 2051323A CA 2051323 A1 CA2051323 A1 CA 2051323A1
- Authority
- CA
- Canada
- Prior art keywords
- formula
- compound
- alkyl
- hydrogen
- compounds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000008569 process Effects 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- SSPYSWLZOPCOLO-UHFFFAOYSA-N 6-azauracil Chemical class O=C1C=NNC(=O)N1 SSPYSWLZOPCOLO-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 239000000543 intermediate Substances 0.000 title abstract description 4
- 239000001257 hydrogen Substances 0.000 claims abstract description 41
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 41
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 28
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 20
- 150000002367 halogens Chemical class 0.000 claims abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000001188 haloalkyl group Chemical group 0.000 claims abstract description 9
- 125000006193 alkinyl group Chemical group 0.000 claims abstract description 8
- 125000003710 aryl alkyl group Chemical group 0.000 claims abstract description 8
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 6
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims abstract 11
- 150000001875 compounds Chemical class 0.000 claims description 155
- 239000000460 chlorine Substances 0.000 claims description 88
- 239000002253 acid Substances 0.000 claims description 21
- 239000003085 diluting agent Substances 0.000 claims description 12
- 230000003071 parasitic effect Effects 0.000 claims description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 5
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000004606 Fillers/Extenders Substances 0.000 claims 1
- 239000004480 active ingredient Substances 0.000 claims 1
- 230000000911 decarboxylating effect Effects 0.000 claims 1
- 239000003904 antiprotozoal agent Substances 0.000 abstract 1
- -1 ligroin Chemical compound 0.000 description 39
- 239000000203 mixture Substances 0.000 description 35
- 239000000243 solution Substances 0.000 description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 22
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- 238000011282 treatment Methods 0.000 description 19
- 239000002585 base Substances 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 17
- 239000002904 solvent Substances 0.000 description 17
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
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- 229960000583 acetic acid Drugs 0.000 description 10
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 10
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- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 229920001223 polyethylene glycol Polymers 0.000 description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
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- 150000007513 acids Chemical class 0.000 description 8
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- 239000000194 fatty acid Substances 0.000 description 8
- 229940090044 injection Drugs 0.000 description 8
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 8
- 239000002562 thickening agent Substances 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 208000003495 Coccidiosis Diseases 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000003086 colorant Substances 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 244000045947 parasite Species 0.000 description 6
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 238000009395 breeding Methods 0.000 description 5
- 230000001488 breeding effect Effects 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 235000008504 concentrate Nutrition 0.000 description 5
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 5
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- 150000002170 ethers Chemical class 0.000 description 5
- 229940093915 gynecological organic acid Drugs 0.000 description 5
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- 235000019260 propionic acid Nutrition 0.000 description 5
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 5
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
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- 239000012954 diazonium Substances 0.000 description 4
- 150000001989 diazonium salts Chemical class 0.000 description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
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- 235000011187 glycerol Nutrition 0.000 description 4
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 4
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- 239000000047 product Substances 0.000 description 4
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/02—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 not condensed with other rings
- C07D253/06—1,2,4-Triazines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/62—Compounds containing any of the groups, X being a hetero atom, Y being any atom, e.g. N-acylcarbamates
- C07C271/64—Y being a hydrogen or a carbon atom, e.g. benzoylcarbamates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/10—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C323/18—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
- C07C323/20—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton with singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/62—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
- C07C323/63—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Substituted 1,2 4-triazinediones processes for their preparation, intermediates therefor and their use A b s t r a c t The present invention relates to new substituted 1,2,4-triazinediones of the formula (I) (I) in which X represents O or S, Y represents O, S, CO, or , R1 represents C1-4-halogenoalkyl, R2 represents hydrogen, halogen or C1-4-halogenoalkyl, R3 represents hydrogen or C1-4-alkyl, R4 represents hydrogen, halogen, halogenoalkyl or C1-4-alkyl, and R5 represents hydrogen, C1-4-alkyl, halogenoalkyl, aralkyl or alkinyl, to processes for their preparation, intermediates for Le A 27 916 carrying out the process and their use as antiprotozoal agents.
Le A 27 916
Le A 27 916
Description
The present invention relates to new substituted 1,2,4-triazinediones, to processes for their preparation, to intermediates for carrying out this process, and to their use for controlling parasitic protozoa and in particular coccidia and fish parasites.
The use of substituted 1,2,4-triazinediones for control-ling coccidia is known. However, the reaction of these compounds is not sa~isfactory in every case.
The present invention relates to 1. New compounds of the formula ( I ) R5 R1-X ~ y ~ ~ N (I) in which A-~ represents -N=CH- or -N-CH2-, X represents O or S, SO or SO2, Y represents O, S, CO, OH or CN, -CH- -CR -Rl represents Cl4-halogenoalkyl, R2 represents hydrogen, halogen or C14-halogeno-alkyl, Le A 27 916 - 1 -R3 represents hydrogen or C14-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halogenoalkyl and C14-alkyl, and R5 and R5, independently of one another, represent hydrogen, C14-alkyl, halogenoalkyl, aralkyl or alkinyl.
The use of substituted 1,2,4-triazinediones for control-ling coccidia is known. However, the reaction of these compounds is not sa~isfactory in every case.
The present invention relates to 1. New compounds of the formula ( I ) R5 R1-X ~ y ~ ~ N (I) in which A-~ represents -N=CH- or -N-CH2-, X represents O or S, SO or SO2, Y represents O, S, CO, OH or CN, -CH- -CR -Rl represents Cl4-halogenoalkyl, R2 represents hydrogen, halogen or C14-halogeno-alkyl, Le A 27 916 - 1 -R3 represents hydrogen or C14-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halogenoalkyl and C14-alkyl, and R5 and R5, independently of one another, represent hydrogen, C14-alkyl, halogenoalkyl, aralkyl or alkinyl.
2. Process for the preparation of the new compounds of the formula (I) according ~o (1), characterised in that in the cases in which A-D representæ -N=CH-, a) in the case in which R5 represents a radical other than hydrogen, compounds of the formula (Ia) O
R1-X ~ R N-- ~ (Ia) in which Y, X, R1, R2, R3 and R4 have the meaning indicated in ( 1 ) , are reacted with compounds of the formula (II) Rs_B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and Le A 27 916 - 2 -B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halogenoalkyl, or b) in that compounds of the formula (III) R1-X ~ Y ~ ~ (III) in which Y, X, Rl, R2, R3, R4 and R5 have the meanings indi-cated in (1), are decarbcxylated by heating, and additionally in that in the cases in which A-D represents -N-CH2-c) compounds of the formula (Ib) R1-X ~ ~ ~ N~ - ~ (Ib) are hydrogenated, or Le A 27 916 - 3 -d) in that compounds of the formula r==~ r==~ ~ N-H
R1-X ~ Y- ~ N~ ~ o H
in which Y, X, Rl, R2 and R4 have the abovemention~d meaning, are reacted with compounds of the formula II
R5-B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halgoenalkyl, or e) in that compounds of the formula ~5 R1-X ~ y H
in which Y, X, R1, R2, R4 and Rs have the abovementioned meaning, but R5 does not represent hydrogen, are reacted with compounds of the formula VI
R6_B (VI) in which R6 and B have the abovementioned meaning.
Le A 27 916 - 4 -3. New compounds of the formula (III) RS
R1-X ~ I (III) in which Y, X, R1, R2, R3, R4 and R5 have the meaning indicated in (1)-4. Process for the preparation of the new compounds of the formula (III) according to (3), characterised in that compound6 of the formula (IV) R l - x~r~ ( IV) in which Y, X, R1, R2, R3, R4 and R5 have the meaning indicated in (1), R7 represents CN or the radical -Co-N(R5)-CooRB, and R3 represents alkyl or aryl, are heated in the presence of aqueous mineral acids.
R1-X ~ R N-- ~ (Ia) in which Y, X, R1, R2, R3 and R4 have the meaning indicated in ( 1 ) , are reacted with compounds of the formula (II) Rs_B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and Le A 27 916 - 2 -B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halogenoalkyl, or b) in that compounds of the formula (III) R1-X ~ Y ~ ~ (III) in which Y, X, Rl, R2, R3, R4 and R5 have the meanings indi-cated in (1), are decarbcxylated by heating, and additionally in that in the cases in which A-D represents -N-CH2-c) compounds of the formula (Ib) R1-X ~ ~ ~ N~ - ~ (Ib) are hydrogenated, or Le A 27 916 - 3 -d) in that compounds of the formula r==~ r==~ ~ N-H
R1-X ~ Y- ~ N~ ~ o H
in which Y, X, Rl, R2 and R4 have the abovemention~d meaning, are reacted with compounds of the formula II
R5-B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halgoenalkyl, or e) in that compounds of the formula ~5 R1-X ~ y H
in which Y, X, R1, R2, R4 and Rs have the abovementioned meaning, but R5 does not represent hydrogen, are reacted with compounds of the formula VI
R6_B (VI) in which R6 and B have the abovementioned meaning.
Le A 27 916 - 4 -3. New compounds of the formula (III) RS
R1-X ~ I (III) in which Y, X, R1, R2, R3, R4 and R5 have the meaning indicated in (1)-4. Process for the preparation of the new compounds of the formula (III) according to (3), characterised in that compound6 of the formula (IV) R l - x~r~ ( IV) in which Y, X, R1, R2, R3, R4 and R5 have the meaning indicated in (1), R7 represents CN or the radical -Co-N(R5)-CooRB, and R3 represents alkyl or aryl, are heated in the presence of aqueous mineral acids.
5. New compounds of the formula (IV) R1-X ~ ~4 ~ (IV) Le A 27 916 - 5 -in which Y, X, R1, R2, R3, R4, R5 and R7 have the meaning indicated in (4).
6. Process for the preparation of the new compounds of the formula (IV) according to (5), characterised in that compounds of the formula (V) X~ _ N - N = C - C O - N - C OOR 8 ( V ) in which Y X R1 R2 R3 R4 R5 R7 and R9 have the meaning indicated in (5), are heated in the presence of bases.
7. New compounds of the formula (V) ~ N-N=C-CO-N-CoOR8 ~V) in which X, R1, R2, R3, R4, R5, R7 and Ra have the meaning indicated in (5) and R7 can additionally represent hydrogen.
8. Proces~ for the preparation of the new compounds of the formula (V), characterised in that compounds of Le A 27 916 - 6 -the formula (VI) R1-x ~ Y NH2 ( in which Y, X~ R1, R2, R3 and R4, have the meaning indicated in (1), are diazotised in a manner known per se and subse-quently reacted with compounds of the formula (VII) -Co-N-COOR8 (VII
in which R5, R7 and Ra have the meaning indicated in (5).
The compounds of the formula (I) and their salts with bases or acids are outstandingly suitable for the control of parasitic protozoa and in particular of coccidia and fish parasites.
Preferred compounds of the formula (I) are compounds in which X represents O or S, Y represents 0, S, CO, fH or CN, R1 represents Cl4-halogenoalkyl, Le A 27 916 - 7 -R~ represents hydrogen, halogen or Cl4-halogeno-alkyl, R3 reprèsents hydrog~n or C14-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halogenoalky:L and C14-alkyl, and R5 and R6 represent hydrogen.
Particularly preferred compounds of the formula (I) are those ~0 in which X represents O or S, Y represents 0, S or CN, -CH- -R1 represents C14-halogenoalkyl, R2 represents hydrogen or halogen, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, C14-alkyl and trifluoromethyl, and R5 and R6 represent hydrogen.
Very particularly preferred compounds of the formula (I) are those in which X represents O or S, Y represents 0, S or CN, -CH-R1 represents C14-halogenoalkyl, in particular trifluoromethyl, Le A 27 916 - 8 -R2 represents hydrogen, R4 represents one or mor~e identical or different radicals from the series consisting of hydrogen, fluorine, chlorine and bromine, in particular chlorine, and R5 and R6 represent hydrogen.
The following compounds may be mentioned in detail R4 o f==\ >=\ '~N
F~C-X~r--~ ,~N ~0 ~ N~
X y R R4 O O Cl Cl S O Cl Cl O S Cl Cl S S Cl Cl O CHCN Cl Cl S CHCN Cl Cl The following compounds may furthermoro be mentioned R2 R4 o R1-X ~ Y ~N~
Le A 27 916 - 9 -231~9-7270 x r Rl R2 ~ R4 O O CHF2 H Cl Cl o O CHF2 Cl Cl Cl O O CF2CHFz H Cl Cl O S CHF2 H Cl Cl O S CHF2 Cl Cl Cl O S CF2CHF2 H Cl Cl : o S CF3 Cl CH3 CH3 O CHCN CHF2 H Cl Cl O CHCN CHF2 Cl Cl Cl o CHCN CF2CHF2 H Cl Cl O CHCN CF2CHF2 Cl Cl Cl S CHF2 H Cl Cl S O CHF2 Cl Cl Cl CF2CHF2 H Cl Cl If 2-~4-(4'-trifluoromethylthiophenyl)-3,5-dichloro-phenoxy]-1,2,4-triazine-3,5-(2H,4H)dione is employed as the compound of the formula (Ia) and methyl iodide is employed as the compound of the formula (II) in process 2a) for the preparation of the compounds of the formula (I), in which R5 does not represent hydrogen, the process can be described by the following equation:
Le A 27 916 - 10 -O
F 3 C 5~3~C~N~,>=o + CH 3 Cl F3CS~ Cl ~N
O--~N _~=O
Cl The compounds of the formula (Ia) are prepared as des-cribed in process 2b).
The compounds of the formula (II) are known or can be prepared by known methods. Methyl iodide and ethyl bromide may be particularly mentioned.
The process i8 carried out by reacting a compound of the formula (Ia) with compounds of the formula (II) in the presence of a base and of a diluent.
Suitable diluents are virtually all the inert organic solvents. These preferably include aliphatic and aroma-tic, optionally halogenated hydrocarbons, such as benzine, ligroin, benzene, toluene, xylene, methylene chloride, ethylene chloride, chlorobenzene and o-dichlorobenzene, ethers such as diethyl ether and dibutyl ether, glycol dimethyl ether and diglycol dimethyl ether, tetra-hydrofuran and dioxane, ketones such as acetone, methyl Le A 27 916 - 11 -231~9-7270 ethyl ketone, methyl isopropyl ketone and methyl isobutyl ketone, esters such as methyl acetate and ethyl acetate, nitriles such as, for example, acetonitrile and propio-nitrile, amides such as, for example, dimethylformamide, dimethylacetamide ~nd N-methylpyrrolidone and also dimethyl sulphoxide, tetramethylene sulphone and hexa-methylphosphoric triamide.
The process is carried out in the presence of bases.
Preferred bases which may he mentioned are the alkali metal hydroxide4 such as sodium hydroxide, alkali metal alkoxides such as sodium methoxide or potas~ium butoxide, metal hydrides -~uch as sodium hydride or organic bases such as 1,8-diazabicyclo[5.40]undec-7-ene (DBU).
The process i~ carried out at normal precsure and at temperatures between 20~ and 140C.
The reaction is carried out by combining equimolar amounts of the compound of the formula (Ia) and base, adding an equimolar amount of the compound of the formula (II) to this mixture and heating to the reaction temperature.
Both the compounds of the formula (I) and the compounds of the formula (Ia) can be prepared by process 2b) described below.
If 2-[4-(4'-trifluoromethylthiophenyl)-3,5-dichlorophenoxy]-1,2,4-triazine-3,5(2H,4H)dione-6-carboxylic acid is employed as the Le A 27 916 - 12 -compound of the formula III in process 2b) for the preparation of the compounds of the formula I, the process can be described by the following equation:
H
F3CS~ Cl O
H
F3CS~_ ~N
The compounds of the formula (III) are prepared by ~he process described further below (4). Compounds of the formula (III) are preferably employed in which Y, X, Rl, R2, R3, R4 and R5 have the preferred meanings indicated for the compound~ of the formula tI).
Individual compounds of the formula (III) which may be mentioned are H
F3CX~Y~
Le A 27 916 - 13 -x r R4 O 3,5-C12 0 3,5-C12 S 3~5-C~2 S S :~,S-C12 O CHCN 3,5-C12 CHCN 3~5-C~2 The decarboxylation i5 optionally carried out in the presence of inert organic diluents. These include alipha-tic and aromatic, optionally halogenated hydrocarbons such as nonane, decane, dodecane or xylenes, alcohols such as diethylene glycol, ethers such as ethylene glycol monobutyl ether or diethylene glycol dibutyl ether, sulphoxides such as dimethyl sulphoxide and sulphones such as tetramethylene sulphone.
The reaction can moreover be carried out in the presence of mercap~o group-containing carboxylic acids such as, for example, mercaptoacetic acid or thiosalicylic acid.
The reaction i8 carried out at temperatures between 150 and 300C, if appropriate in the presence of mercapto group-containing caxboxylic acids such as, for example, mercaptoacetic acid, preferably between 160 and 250C, in particular between 180 and 210C.
The reaction i8 carried out at normal pressure. The compounds of the formulae (III) are heated in substance or in the form of a solution or suspension in the respective diluent.
Le A 27 916 - 14 -If 2-[4-~4'-trifluoromethylthiophenyl)-3,5-dichloro-phenoxy]-1,2,4-triazine-3,5-[2H,4H)dione is employed as the compound of the formula Ib in process 2c, the process can be described by the following equation:
Cl O
F3CS{~}`N~
cl Cl O
F3CS~7N~
Cl The compounds of the formula Ib are new and are obtained, for example, by the processes 2a-c).
Compounds of the formula Ib may preferably be mentioned in which X, Y, R1, RZ, R3, R~ and R5 haYe the preferred meanings mentioned for the compoundq of the formula I.
In particular, the following compounds of the formula Ib may be mentioned:
o F3CX~R~}N~J
Le A 27 916 - 15 -X Y R1 ~R4 O 0 Cl Cl S O Cl Cl O S Cl Cl S S Cl C1 O CHCN Cl ~1 S CHCN Cl Cl SO2 CHCN Cl Cl Process 2c) is carried out by heating a compound of the formula Ib in the presence of a reducing agent and of an acid. Reducing agents which can be used are metals such as, for example, zinc and metal salts such as, for example, tin(II) chloride, metal hydrides such as lithium aluminium hydride and catalytically activated hydrogen.
Acids employed are dilute mineral acid~ such as, for example, hydrochloric acid and organic acids such as, for example, glacial acetic acid. The reaction can optionally be carried out in the presence of a diluent. Diluents which can be used as inert organic solvents. These include hydrocarbons such as, for example, toluene, ethers such as, for example, dioxane, ketones such as, for example, acetone and alcohols such as, for example, ethanol. The reduction is carried out at temperatures between 80 and 120C at normal pressure or at elevated pres~ure.
Proce~ses 2d and 2e are carried out according to the Le A 27 916 - 16 -conditions indicated for proce!ss 2a.
If 2-[4-(4~-trifluoromethylthiophenyl)-3,5-dichloro-phenoxy]-6-cyano-1,2,4-triazine-3,5(2H,4H)dione is employed as the compound of the formula (IV) in process 4 for the preparation of the compounds of the formula (III), the process can be described by the following equation:
F3CS~3 = N ~=0 Cl CN
F3Cs~3n ,~o The compoundq of the formula (IV) are new. They are prepared by the process described under (6).
0 Compounds of the formula (IV) are preferably employed in h X R1 R2 R3 R4 and R5 has the preferred mean ings indicated for the compounds of the formula (I) and R7 represents CN.
Hydrolysis of the compounds of the formula ~IV) is carried out under acidic conditions. Acids used are mineral acids such as, for example, hydrochloric acid, hydrobromic acid, sulphuric acid and mixtures of mineral Le A 27 916 - 17 -acids and organic acids such as, for e~ample acetic acid or propionic acid.
The reaction is carried out at temperatures between 80 and 120C. It is carried out under normal pressure.
The compounds of the formula (IV) are dissolved in 10-30 times the volume of the acid or of the acid mixture and the mixture is heated until hydrolysis is complete.
If ethyl N-[[[cyano(3,5-dichloro-(4'-trifluoromethyl-phenyl)phenoxy)-hydrazinylidene]methyl]carbonyl]-carbamate is employed as the compound of the formula V in process 6 for the prepara~ion of the compounds of the formula (IV), the process can be described by the following equation:
Cl CN
,~G~}N-N=c-c-N-co2c2H5 F3CS Cl o H
Cl O
~ ~ N ~
F3C Cl CN
The compounds of the formula (V) are new. They are prepared by the process described under (8). Compounds Le A 27 916 - 18 -of the formula (V) are preferably employed in which Y, X, Rl, R2, R3, R4 and R5 have the preferred meanings indicated for the compounds of the formula (I), R8 represents C14-alkyl, in particular methyl or ethyl and phenyl, and R7 represents CN.
Individual compounds of the formula (V) which may be menti.oned are F3CX~ R4 N-N=C-CONHCOO-ethyl Q 3,5-C12 0 3,S-C12 O S 3,5-C12 3,S-C12 O CHCN 3,S-C12 S CHCN 3,S-C12 Process 6) is carried out by heating a compound of the formula (V), if appropriate in the presence of a solvent and of a base.
Solvents and bases used are the solvents and bases mentioned for the preparation of the compounds I. Further particularly preferred organic solvents employed are Le A 27 916 - 19 -alcohols such as, for example, ethanol or organic acids such as, for example, glacial acetic acid.
Particularly preferred bases are the hydroxides and acetates of the alkali metals or alkaline earth metals S such as, for example, NaOH or sodium acetate and potas-sium aceta e.
The reaction is carried out under normal pressure at temperatures between 70 and 150C, preferably between 70 and 100C.
~he base used is employed in a 10-80 % molar excess. The reaction mixture is preferably acidified using a dilute mineral acid such as, for example, hydrochloric acid after cyclisation is complete and the product obtained aæ
a solid i8 filtered off.
The compounds of the formula V employed in process 6) are new. They are prepared by the process described under (8).
If 4-(4'-trifluoromethylthiophenyl)oxy-3,5-dichloroaniline is employed as the compound of the formula (VI) and ethyl cyanoacetylurethane is employed as the compound of the formula (VII) in process 8) for the preparation of the compound3 of the formula (V), the process can be des-cribed by the following equation:
Le A 27 916 - 20 -F3CS~ NH2 IF3CS~ >~ r~r ~N--N+~
CN
~3CS~
>-N-N=C-ICI-N-CO2C2H5 The compounds of the formulae (VI) and ~VII) are known or can be prepared analogously to known processes (cf.
DE-OS (German Publi~hed Specification) 2,413,722;
2,718,799; US Patent 4,005,218; Le A 26 382).
The process is carried out by reacting an aniline of the formula (VI) with NaNO2 and conc. mineral acid such as, for example, HCl, if appropriate in the presence of a diluent.
Diluents used are the wa~er-miscible diluents such as alcohols, for example methanol, ethanol, glycol ether.
such as monomethylglycol ether, nitrile~ such as aceto-nitrile, dimethyl sulphoxide, organic acids such as, for example, glacial acetic acid, formic acid or propionic acid, or mixtures of organic acids, preferably a mixture Le A 27 916 - 21 -of glacial acetic acid and propionic acid.
The diazonium salt generated in this way is reacted in situ with a compound of the formula (VII) such as, for example, malonyldiurethane or cyanoacetylurethane in the presence of a base. Bases used are hydroxides and car-bonates of the alkali metals and alkaline earth metals and acetates of sodium, potassium and ammonium.
Organic bases such as pyridine or triethylamine can additionally be used.
Diazotisation is carried out at normal pressure and at temperatures between 0C and 10C. The addition of the compounds of the formula (VII) is carried out at 0 to 20C. Aniline and nitrite are reacted in equimolar amounts in an excess of acid which is preferably 2-3 time~ the molar amount. The CH-acid compound is added in a 0 to 30 % molar excess, preferably a 10% excess. The base is added in a 1.5-2.5 times molar excess. Advant-ageously, a reverse addition can also be carried out, i.e. the diazonium salt of the compound of the formula (VI) generated by diazotisation is added dropwise at 0 to 10C to a mixture of a compound of the formula (VII) and the respective solvent or solvent mixture.
The coupling product of the diazonium salt and CH-acid compound is insoluble in the reaction medium and can be isolated as a solid.
Le A 27 916 - 22 -The process can also be carried out such that compounds of the formula (VI) are formed directly without isolation of the compound of the formula (V). To do this, the diazotisation of the anilines of the formula (VI) and the reaction with the urethanes of the formula (VII) is carried out in a diluent suitable for the cyclisation.
The reaction mixture is heated after diazotisation and coupling have been carried out and the triazinedione of the formula (IV) is then isolated.
Diluents which may be mentioned are: alcohols such as methanol and ethanol.
j For cyclisation, the reaction mixture is heated to about 80 to 120C, preferably about 80 to 100C.
Working-up i~ carried out as indicated further above for process (6) for the preparation of the compounds of the formula (IV).
The active compounds are suitable for combating parasitic protozoa which are encountered in the keeping and raising of animals with productive, breeding, zoo, laboratory, experimental and pet animals, and have favourable toxi-city to warm-blooded animals. They are active against all or individual stages of development of the pests and against resistant and normally sen~itive strains. By ` combating the parasitic protozoa, disease, cases of death and yield reductions (for example in the production of meat, milk, wool, hides, eggs, honey etc.) should be :
Le A 27 916 - 23 -.
reduced so that more economical and simpler keeping of animals is possible through the use of the active com-pounds.
The parasitic protozoa includes Mastigophora (Flagellata) such as, for example, Trypano-somatidae, for example Trypanosoma b. brucei, T.b.
gambiense, T.b. rhodesiense, T. congolense, T. cru~i, T.
evansi, T. equinum, T. lewisi, T. percae, T. simiae, T.
vivax, Leishmania brasiliensis, L. donovani, L. tropica, such as, for example, Trichomonadidae, for example Giardia lamblia and G. canis.
Sarcomastigophora (Rhizopoda) such as Entamoebidae, for example Entamoeba histolytica, Hartmanellidae, for example Acanthamoeba sp. and Hartmanella sp.
Apicomplexa (Sporozoa) such as Eimeridae, for example Eimeria acervulina, E. adenoides, E. alabahmensis, E.
anatis, E. anseris, E. arloingi, E. ashata, E.
auburnensis, E. bovis, E. brunetti, E. canis, E. chin-chillae, E. clupearum, E. columbae, E. contorta, E.
crandalis~ E. dabliecki, E. dispersa, E. ellipsoidales, E. falciformis, E. faurei, E. flavescens, E. gallopavo-nis, E. hagani, E. intestinalis, E. iroquoina, E. irresi-dua, E. labbeana, E. leucarti, E. magna, E. maxima, E.
media, E. meleagridis, E. meleagrimitis, E. mitis, E.
necatrix, E. ninakohlyakimovae, E. ovis, E. parva, E.
pavonis, E. perforans, E. phasani, E~ piriformis, E.
Le A 27 916 - 24 -praecox, E. residua, E. scabra" E. spec., E. stiedai, E.
suis, E. tenella, E. truncatal~ E. truttae, E. zuernii, Globidium spec., Isospora belli, I. canis, I. felis, I.
ohioensis, I.rivolta, I. spec., I. suis, Cystisospora spec., Cryptosporidium spec. such as Toxoplasmadidae, for example Toxoplasma gondii, such as Sarcocystidae, for example Sarcocystis bovicanis, S. bovihominis, ~. ovi-canis, S. ovifelis, S. spec., S. suihominis such as Leucozoidae, for example Leucozytozoon simondi, such as Plasmodiidae, for example Plasmodium berghei, P. falci-parum, P. malariae, P. ovale, P. vivax, P. spec., such as Piroplasmea, for example Babesia argentina, B. bovis, B.
canis, B. spec., Theileria parva, Theileria spec., such as Adeleina, for example Hepatozoon canis, H. spec.
In addition Myxospora and Microspora, for example Glugea spec. and Nosema spec.
In addition Pneumocystis carinii and Ciliophora (Ciliata) such as, for example, Balantidium coli, Ichthiophthirius spec., Trichodina spec. and Epistylis spec.
The compounds according to the invention are also active against protozoa which occur as parasites in insects.
Those which may be mentioned are parasites of the Micro-sporida strain, in particular the genus Nosema. Nosema apis in the honey bee may be particularly mentioned.
The productive and breeding animals include mammals such as, for example, cattle, horses, sheep, pigs, goats, Le A 2~ 916 - 25 -camels, water buffalo, donkeys, rabbits, fallow deer, reindeer, animals having a valuable coat such as, for example, mink, chinchilla, racoons, birds such as, for example, hens, geese, turkeys, ducks, doves, and species of bird for keeping at home and in the zoo. In addition, productive and ornamental fish are included.
The laboratory and experimental animals include mice, rats, guinea pigs, golden hamsters, dogs and cats.
The pet animals include dogs and cats.
The fish include productive, breeding, aquarium and ornamental fish of all ages which live in fresh and salt water. The productive and breeding fish include, for example, carp, eel, trout, whitefish, salmon, bream, roach, rudd, chub, sole, plaice, halibut, Japanese yellowtail (Seriola quinqueradiata), Japanese eel (Anguilla japonica), red seabream (Pagurus major), sea bass (Dicentrarchus labrax), grey mullet (Mugilus cephalus), pompano, gilthread seabream (Sparus auratus), Tilapia spp., chichlidae specie~ such as, for example, Plagioscion or Channel catfish. The agents according to the invention are particularly suitable for the treatment of fry, for example carp of 2-4 cm body length. The agents are also very highly suitab~e in the feeding of eels.
Administration can be carried out both prophylactically and therapeutically.
Le A 27 ~16 - 26 -The administration of the active compounds is carried out directly or enterally, parenterally, dermally or nasally in the form of suitable preparations.
Enteral administra~ion of the active compounds is carried out, for example, orally in the form of powders, sup-positories, tablets, capsules, pastes, drinks, granules, drenches, boli, medicated feed or drinking water. Dexmal administration is carried out, for example, in the form of dipping, spraying, bathing, washing, pouring-on and spotting-on and powdering. Parenteral administration is carried out, for example, in the form of injection (intramuscular, subcutaneous, intravenous, intraperitoneal) or by implants.
Suitable preparations are:
solutions such as injection solutions, oral solutions, concentrates for oral administration after dilution, solutions for use on the skin or in body cavities~
pouring-on formulations and gels;
emulsions and suspensions for oral or dermal administra-tion and also for in~ection; semi-solid preparations;
formulations in which the active compound is processed in an ointment base or in an oil-in-water or water-in-oil emulsion base;
solid preparations such as powders, premixes or concen-trates, granule~, pellets, tablets, boli, capsules;
aerosols and inhalants, and moulded articles containing active compound.
Le A 27 ~16 - 27 -Injection solutions are administered intravenously, intramuscularly and subcutaneously.
Injection solutions are produced by dissolving the active compound in a suitable solvent and, if necessary, adding additives such as solubilisers, acids, bases, buffer salt3, antioxidants and preservatives. The solutions are sterile filtered and bottled.
Solvents which may b~ mentioned are: physiologically tolerable solvents such as water, alcohols such as ethanolj butanol, benzyl acohol, glycerol, hydrocarbons, propylene glycol, polyethylene glycols, N-methylpyrrolidone, and mixtures of these.
The active compounds may optionally also be dissolved in physiologically tolerable vegetable or synthetic oils which are suitable for injection.
Solubilisers which may be mentioned are: solvents which promote the solution of the active compound in the main solvent or prevent its precipitation. Examples are polyvinylpyrrolidone, polyoxyethylated castor oil and polyoxyethylated sorbitan esters.
Preservatives are: benzyl alcohol, trichlorobutanol, p-hydroxybenzoic acid esters and n-butanol.
Oral solutions are administered directly. Concentrates are administered orally after previously diluting to the Le A 27 916 - 28 -administration concentration. Oral solutions and con-centrates are prepared as described above for the injec-tion solutions, it being possible to dispense with sterile working.
Solutions for use on the skin are poured on dropwise, spread on, rubbed in, sprinkled on, sprayed on or applied by dipping, bathing or washing. These solutions are prepared as described above for the injection solutions.
It may be advantageous to add thickeners during the preparation. Thickeners are: inorganic thickeners such as bentonites, colloidal silica, aluminium monostearate, organic thickeners such as cellulose derivatives, polyvinyl alcohols and their copolymers, acrylates and metacrylates.
Gels are applied to or spread on the skin or introduced into body cavities. Gels are prepared by adding such a quantity of thickener to solutions which have been prepared as described for the injection solutions that a clear composition having an ointment-like consistency results. The thickeners indicated above are employed as thickeners.
Pouring-on formulations are poured onto or ~prinkled onto limited areas of the skin, whereupon the active compound either penetrates the skin and acts systemically or is di~tributed on the body surface.
Le A 27 916 - 29 -Pouring-on formulations are prepared by dissolving, suspending or emulsifying the active compound in suitable skin-compatible solvents or solvent mixtures. If appro-priate, further auxiliaries such as colorantR, absorp-tion-promoting substances, antioxidants, light screens and adhesives are added.
Solvents which may be mentioned are: water, alkanols, glycols, polyethylene glycols, polypropylene glycols, glycerol, aromatic alcohols such as benzyl alcohol, phenylethanol, phenoxyethanol, esters such as ethyl ace~ate, butyl acetate, benzyl benzoate, ether6 such as alkylene glycol alkyl ethers such as dipropylene glycol monomethyl ether, diethylene glycol mono-butyl ether, ketones such as acetone, methyl ethyl ketone, aromatic and/or aliphatic hydrocarbons, vegetable or synthetic oils, DMF, dimethylacetamide, N-methylpyrrolidone and 2-dimethyl-4-oxy-methylene-1,3-dioxolane.
Colorants are all colorants which may be dissolved or suspended and which are permitted for administration to animals.
Absorption-promoting substances are, for example, DMSO, spreading oils such as isopropyl myristate, dipropylene glycol pelargonate, silicone oils, fatty acid esters, triglycerides and fatty alcohols.
Antioxidants are sulphites or metabisulphites such as potassium metabisulphite, ascorbic acid, Le A 27 916 - 30 -butylhydroxytoluene, butylhyd:roxyanisole and tocopherol.
Light screens are, for example, substances of the benzo-phenone class or novantisolic acid.
Adhesives are, for example, cellulose derivatives, starch derivatives, polyacrylates, and natural polymers such as alginates and gelatin.
Emulsions may be administered orally, dermally or as injections.
Emulsions are either of the water-in-oil type or the oil-in-water type.
They are prepared by dissolving the active compound either in the hydrophobic or the hydrophilic phase and homogenising this with the solvent of the other phase with the aid of suitable emulsifiers and, if appropriate, further auxiliaries such as colorants, absorption-promoting substances, preservatives, antioxidants, light screens and viscosity-increasing substance Hydrophobic phases (oils) which may be mentioned are:
paraffin oils, silicone oils, natural vegetable oils such as sesame oil, almond oil, castor oil, synthetic tri-glycerides such as caprylic/capric acid biglyceride, triglyceride mixture with vegetable fatty acids of chain l~ngth C~l2 or other specially selected natural fatty acids, partial glyceride mixtures of saturated or :
Le A 27 916 - 31 -~' unsaturated fatty acids possibly also containing hydroxyl groups, and mono- and diglyce:rides of C8/C10-fatty acids.
Fatty acid esters such as ethyl stearate, di-n-butyryl adipate, hexyl lauroate, dipropylene glycol pelargonate, esters of a branched fatty acid of medium chain length containing saturated fatty alcohols of chain lenqth C~6-Cl3, isopropyl myristate, isopropyl palmitate, caprylicJcapric acid esters of ~aturated fatty alcohols of chain length C~2-C1a, isopropyl stearate, oleyl oleate, decyl oleate, ethyl oleate, ethyl lactate, waxy fatty acid esters ~uch as dibutyl phthalate, diisopropyl adipate, ester mixtures related to the latter, inter alia fatty alcohols such as isotridecyl alcohol, 2-octyl-dodecanol, cetyl stearyl alcohol and oleyl alcohol.
Fatty acids such as, for example, oleic acid and its mixtures.
Hydrophilic phases which may be mentioned are:
water, alcohols such as, for example, propylene glycol, glycerol, sorbitol and their mixtures.
Emulsifiers which may be mentioned are: non-ionic surfac-tants, for example polyoxyethylated castor oil, polyoxy-ethylated sorbitan monooleate, sorbitan monostearate, glycerol monostearate, polyoxyethyl stearate and alkyl-phenol polyglycol ethers;
: 25 ampholytic surfactants such as di-Na N-lauryl-~-imino-~ dipropionate or lecithin;
;' : Le A 27 916 - 32 -anionic surfactants, such as Na lauryl sulphate, fatty alcohol ether sulphates, mono/dialkyl polyglycol ether orthophosphoric acid ester monoethanolamine salt;
cationic sur~actants such as cetyltrimethylammonium S chloride.
Other auxiliaries which may be mentioned are: substances increasing viscosity and ~tabilising the emulsion such as carboxymethylcellulose, methylcellulose and other cel-lulose and starch derivatives, polyacrylates, alginates, gelatin, gum arabic, polyvinylpyrrolidone, polyvinyl alcohol, copolymers of methyl vinyl ether and maleic anhydride, polyethylene glycols, waxes, colloidal silica or mixtures of the substances mentioned.
Suspensions may be administered orally, dermally or as an in~ection. They are prepared by suspending the active compound in an excipient liquid, if appropriate with the addition of other auxiliaries such as wetting agents, colorants, absorption-promoting substances, preserva-tives, antioxidants light screens.
Excipient liquids which may be mentioned are all homo-geneous solvents and solvent mixtures.
Wetting agents (dispersants) which may be mentioned are the surfactants indicated above.
Le A 27 916 - 33 -Other auxiliaries which may be mentioned are ~hose indicated above.
Semi~solid preparations can be administered orally or dermally. They differ from the suspensions and emulsions described above only by their higher viscosity~
In order to prepare solid preparations, the active compound is mixed with suitable excipients, if appropri-ate with the addition of auxiliaries, and brought into the desired form.
Excipients which may be mentioned are all physiologically tolerable solid inert substances. Those used are inor-ganic and organic substances. Inorganic substances are, for example, sodium chloride, carbonates such as calcium carbonate, hydrogen carbonates, aluminium oxides, silicic acids, aluminas, precipitated or colloidal silica and phosphates.
Organic substances are, for example, sugars, cellulose, foodstuffs and feeds such as milk powder, animal meal, cereal meal and shreds, and starches.
Auxiliaries are preservatives, antioxidants and colorants which have already been mentioned above.
Other suitable auxiliaries are lubricants and glidants ~uch as, for example, magnesiu~ stearate, stearic acid, talc, bentonites, disintegration-promoting substances Le ~ 27 916 - 34 -such as starch or crosslinked polyvinylpyrrolidone, binders such as, for example, starch, gelatin or linear polyvinylpyrrolidone and dry binders such as microcrys-talline cellulose.
The active compounds may also be present in the prepara-tions as a mixture with synergists or with other active compounds.
Ready-to-use preparations contain the active compound in concentrations of 10 ppm - 20 per cent by weight, prefer-lQ ably from 0.1 - 10 per cent by weight.
Preparations which are diluted before use contain the active compound in concentrations of 0.5 - 90 per cent by weight, preferably from 1 to 5~ per cent by weight.
In general, it has proved advantageous to administer amounts of about 0.5 to about 50 mg, preferably 1 to 20 mg, of active compound per kg of body weight per day to attain effective results.
The active compounds can also be administered together with the feed or drinking water of the animals.
Feeds and foodstuffs contain 0.01 to 100 ppm, prefexably 0.5 to 50 ppm of the active compound in combination with a suitable edible material.
Such a feed or foodstuff can be used both for healing Le A 27 916 - 35 -purposes and for prophylactic purposes.
The preparation of such a feed or foodstuff is carried out by mixing a concentrate or a premix which contains 0.5 to 30 %, preferably 1 to 20 % by weight, of an active S compound in a mixture with an edible organic or inorganic excipient with customary feeds. Edible excipients are, for example, maize flour or maize and soya bean flour or mineral salts which preferably contain a ~mall amount of an edible dust-preventing oil, for example maize oil or soya oil. The premix obtained in this way can then be added to the complete feed before feeding it to the animals.
Use in coccidiosis may be mentioned as an example:
For the curing and prophylaxis, for example, of cocci-diosis in poultry, in particular in hen~, ducks, geeseand turkeys, 0.1 to 100 ppm, preferably 0.5 to 100 ppm, of an active compound are mixed with a suitable edible material, for example a nutritious feed. If desired, these amounts can be increased, particularly if the active compound is well tolerated by the recipient.
Administration can correspondingly be carried out via the drinking water.
For the treatment of individual animals, for example in the case of the treatment of coccidiosis in mammals or toxoplasmo6is, preferably amounts of active compound of 0.5 to 100 mg/kg of body weight are administered daily in order to obtain the desired results. In spite of this Le A 27 916 - 36 -it may be periodically necessary to deviate from the amounts mentioned, in particular depending on the body weight of the test animal or the type of administration method, but also on account of the type of animal and its individual reaction to the active compound or the manner of formulation and the time or the interval at which it is administered. Thus, in certain cases it may be - sufficient to manage with less than the minimum amount previously menti.oned, whereas in other cases the upper lLmit mentioned must be exceeded. With the administration of larger amounts, i~ may be expedient to divide these into a number of individual administrations over the course of the day.
The compounds according to the invention are moreover active against various fish parasites which belong to the helminths (worms).
The fish parasites include from the sub-kingdom of the protozoa, species of the Ciliata strain, for example Ichthyophthirius multifiliis, Chilodonella cyprini, Trichodina spp., Glossatella spp., Epistylis 5pp. of the Myxosporidia strain, for example Myxosoma cerebralis, Myxidium spp., Myxobolus spp., Heneguya spp., Hoferellus spp., the Microsporidia class, for example Glugea spp., ` Thelohania spp., Pleistophora spp., from the plat hel-:~ 25 minths strain: trematodes; Monogenea, for example Dactyl-` ogyru~ 8pp., Gyrodactylus spp., Pseudodactylogyrus spp., - Diplozoon ~pp., cestodes, for example from the groups of the Caryphyllidea (for example Caryophyllaeus laticeps), ~.
~, Le A 27 916 - 37 -:, Pseudophyllidea (for example Diphyllobothrium spp.), Tetraphyllidea (for example Phyllobothrium spp. ) and Protocephalida (for example species of the genus Proteo-cephalus) and from the strain of the Arthropoda, various parasitic crustaceae, in particular from the sub-classes of the Branchiura (fish-lice) and Copepoda (copepods) and the orders of the Isopoda (isopods) and Amphipoda (amphipods).
The treatment of the fish is carried out either orally, for example via the feed or by short-term treatment, "medicinal bath", into which the fish are put and in which they are kept for some time (minutes up to a number of hours), for example when transferring from one breed-ing pond to the other.
However, temporary or permanent treatment of the living space of the fish (for example entire pool units, aquaria, tanks or ponds), in which the fish are kept, can also be carried out.
The active compound is administered in preparations which are suited to the applications.
The concentration of the active compound in the prepara-tions i8 1 ppm to 10 ~ by weight.
Preferred preparations for short-term treatment in the course of uRe as a "medicinal bath", for example in the treatment when transferring the fish or for the treatment Le A 27 916 - 38 -of the living space (pool treatment) of the fish, are solutions of the active compound in one or more polar solvents which give an alkaline reaction on diluting with water.
For the preparation of these solutions, the active compound is dissolved in a polar, water-soluble solvent which either gives an alkaline reaction or to which is added an alkaline water-soluble substance. The latter is advantageously also dissolved in the solvent, bu~. can also be suspended in the solven~ and only dissolve in the water. After addition of the active compound solution, the water should have a pH of 7-10, but preferably a pH
of 8-10.
The concentration of the active compound can be in the range from 0.5 - 50 %, but preferably in a range from 1 25 %.
Suitable solvents are all water-soluble solvents in which the active compound is soluble at a sufficient concentra-tion and which are physiologically acceptable.
These are ethyl alcohol, isopropyl alcohol, benzyl alcohol, glycerol, propylene glycol, polyethylene glycols, poly(oxoethylene)-poly(oxypropylene) polymexs, basic alcohols such as mono-, di- and triethanolamine, ketones such as acetone or methyl ethyl ketone, esters such as ethyl lactate, in addition N-methylpyrrolidone, dimethylacetamide, dimethylformamide, and in addition .~
Le A 27 916 - 39 -' dispersants and emulsifiers such as polyoxyethylated castor oil, polyethylene glycol sorbitan monooleate, polyethylene glycol stearate or polyethylene glycol ethers and polyethylene glycol alkylamines.
Bases which may be mentioned for adjusting the alkaline pH are organic bases such as basic amino acids such as L-or D,L-arginine, L- or D,L-lysine, methylglucosamine, glucosamine, 2-amino-2-hydroxymethylpropane-1,3-diol and in addition such as N,N,N',N'-tetrakis-(2-hydroxypropyl)-ethylenediamine or polyether tetrol based on ethylene-diamine (~.W. ~80-420), inorganic bases, such as ammonia or sodium carbonate - if appropriate with the addition of water.
The prepara~ions may also contain 0.1 to 20 % by weight, preferably 0.1 - 10 % by weight, of other formulation auxiliaries, such as antioxidants, surfactants, suspen-sion stabilisers and thickeners such as, for example, methylcellulose, alginates, polysaccharides, galacto-mannans and colloidal silicic acid. The addition of colorants, flavouring and builders for animal nutrition is also possible. Even acids which, together with the base initially introduced, form a buffer ~ystem or reduce the pH of the solution, can be mentioned here.
The concentration of the active compound during use depends on the type and duration of the treatment, and the age and condition of the treated fish. It is, for example, for a short-term treatment, 2-50 mg of active Le A 27 916 - 40 -compound per litre of water, preferably 5-10 mg per litre, for a treatment period of 3-4 hours. For the treatment of young carp, for example, a concentration of 5-10 mg/l and a treatment per:iod of about 1-4 hours are used.
Eels are treated using concentrations of about 5 mg/l for about 4 hours.
For a relatively long treatment period or for continuous treatment, the concentration can be chosen to be cor-respondingly lower.
For pool treatments, 0.1 - 5 mg of active compound per litre of water can be used.
Preparations for use as a food additive are, for example, composed as follows: 5 a) Active compound 1 - 10 parts by weightof the formula I
Soya bean protein 49 - 90 parts by weight b) Active compound 0.5 - 10 parts by weight of the formula I
Benzyl alcohol 0.08 - 1.4 parts by weight Hydroxypropyl- 0 - 3.5 parts by weight methyl cellulose Water remainder to 100 Preparations for use in "medicinal baths" and for pool treatment are, for example, composed and prepared as Le A 27 916 ~ollows.
c) 2.5 g of active compound of the formula (I) are dissolved in 100 ml of triethanolamine with warming.
d) 2.5 g of active compound of the formula (I) 12.5 g of lactic acid are dissolved in 100 ml of triethanol ~mine with warming and stirring.
e) lO.0 g of active compound of the formula (I) is dissolved in lO0 ml of monoethanolamine.
f) Active compound of the formula I 5.0 g Propylene glycol 50.0 g Sodium carbonate 5.0 g Water to 100 ml g) Active compound of the formula I 5.0 g Monoethanolamine lO g N-Methylpyrrolidone to 100 ml h) Active compound of the formula I 2.5 g Sodium carbonate 5.0 g Polyethylene glycol200 to 100 ml The active compound i8 dissolved in polyethylene glycol with werring and sodiuI carbonete is suspended therein.
'' , Le A 27 916 - 42 -;~ .
Example A
Coccidiosis in hens 9 to 11 day-old chicks were infected with 40,000 sporulated oocysts of strongly virulent strains of ~iveria acervulina, E. maxima and E. tenella, the disease pathogens of intestinal coccidiosis.
From 3 days before infection until 8 days after infection (end of the experiment), active compound was administered mixed in the food of the animals in the concentration indicated.
The number of oocysts in the faeces was determined with the aid of the McMaster chamber (see Engelbrecht and co-workers 'IParasitologische Arbeitsmehoden in Medizin und Veterinarmedizin" (Parasitological Working Methods in Medicine and Veterinary Medicine), p. 172, Akademie-Verlag, Berlin (1965)).
Those doses are regarded as effective which prevent the excretion of oocysts and/or clinical symptoms of cocci-diosis including mortality completely or to a great extent. The effective doses are indicated in the follow-ing table:
Le A 27 916 - 43 -o ~
~ 0 x a ~ s 0 ~ -~ ~ o o ~
o ~
~a ~ O
u~ h ~
al a O h o a) ~ In o o S ~ o o ~t ~ .,~ O ~ O
,C ~ t.) h dP ~ ~
O ~ O
~1 IQ r~ U
I
O r~
.,~ ~ I ~
0 ~ O
h ~;
o a) ~
X o S ~1 o o o al ~ O
.rl O ~ O
h ~ dP ~ ~
g ~ O a~ O
O -~ LQ ~ O
G) h 51 0 tl~ N O O
a ~ ~
tQ
o ~ O
~: Q
., O
_, ,1 a) ~ a~ --~ ~i 0 ~ O
a~ ~ h 0 O X O ~ ~: O ~D
E~ ~ ~ æ
Le A 27 916 - 44 -i Preparation Examples I Example of process 2a) Example 1 2-[4-(4-Trifluoromethylthiophenyl)-3,5-dichlorophenoxy]-N-methyl-3,5-(2H,4H)-dioxo-1,2,4-triazine H
F3CS~\ c ' 0~ 2 ) CH3 I
,,~
:
Cl 3.1 g (7 mmol) of a~auracil are diRsolved in 20 ml of absolute DNSO and 0.16 g (6 mmol) of sodium hydride is added. The mixture i8 stirred at ~T for 20 min and l.S g (9 mmol) of methyl iodide in 5 ml of DMSO are then added under argon. The reduction mixture i~ warmed to 50C and kept at thi temperature for 3 h. It is subsequently concentrated in vacuo and water i8 then added. After filtering off the precipitated ~olid with suction, 2.3 g (72% of theory) of the N-methyl compound are obtained.
:, ~,~
Le A 27 916 - 45 -'"
:
II Example of process 2b) Example 2 2-~4~4'-Trifluoromethylthiophenyl~-3,5-dichlorophenoxy]-1,2,4-triazine-3,5(2H,4H)dione Cl O H
F3CS~=D HSCHzCOzH
C 1 COzH
Cl O H
F3CS } N~=O
14.8 g (0.03 mol) of carboxylic acid are heated ~o 170C
in 20 ml of mercaptoacetic acid. After 1.5 h, the mixture is allowed to cool, water is added and after filtering off 11.5 g ~85~ of theory) of decarboxylated product are obtained.
The following compounds are prepared analogously CN Cl O H
F~CX~--~NN~
H Cl Ex. 3 X = O m.p. 110C
Ex. 4 ~ = S m.p. 191C
Le A 27 916 - 46 -II Example of process 2c) Example 4a 10 q (23 mmol) of 2-[4-(4'-trifluoromethylthiophenyl)-3~5 dichloro-phenoxy]-1,~,4-triazine-3,5(2H, 4H)dione are stirred under reflux for 1.5 h with 10 g of zinc in 100 ml of glacial acetic acid.
The solid is then filtered off hot with suction and the residue is boiled twice with DMF. The filtrates are concentrated stirred with water and the precipitated solid is filtered off with suction. 7.8 g (78~ of theory) of the dihydro compound are thus obtained as a colourless i~ solid.
.
The following are prepared analogously H
~N
F3C~ N~
Cl Ex. No. X Y m.p.
4b O CHCN
4c S CHCN
4d S O
., Le A 27 916 - 47 -;~`
III Example of process 4 Example S
2-[4-(4'-Trifluoromethylthiophenyl)-3-chlorophenoxy]-3,5-(2H,4H)-dioxo-1,2,4-triazine-6-carboxylic acid o H
F3CS~ ~=0 HC 1 / HOAc Cl CN
o H
F3CS~3--1 S3N ~
8.5 g (0.02 mol) of cyanoazauracil are boiled in 50 ml of glacial acetic acid and 50 ml of conc. HCl for 4 hours. The mixture is subsequently cooled and diluted with water. The precipitated solid is filtered off with suction and dried. 6.6 g (74~) of the carboxylic acid are thus obtained.
The following compounds are prepared analogously Cl o H
F3C-X{~Y ~N--~
Le A 27 916 - 48 -Ex. 6 X = O Y - CHCN
Ex. 7 X = S Y = CHCN
IV Example of process 6 Example 8 2-[4-(4'-Trifluoromethylthiophenyl)-3-chlorophenoxy]-3,5-(2H,4H)-dioxo-6-cyano-1,2,4-triazine Cl CN H
/~\ ~ I ¦ NaOCOCH3 F3CS ~;=~H C ll_N_C02Et. HOCOCH3 O H
F3CS{~)~N~
Cl CN
lS g (0.029 mol) of the hydrazonocyanourethane and 3.3 g (0.44 mol) of sodium acetate are heated under reflux in 50 ml of glacial acetic acid for 2 h. The mixture i9 subsequently cooled and concentrated in vacuo. The residue is ctirred with water and the precipitate deposi-ted i~ filtered off with suction. lO.S g (83~ of theory) of cyanoazauracil are thus obtained after drying.
,~
lS The following compounds are prepared analogou~ly Le A 27 916 - 49 -Cl O H
F 3 CX~ C 1 NN--Ex. 9 X = 0 Y = CHCN
Ex.10 x = S Y = CHCN
.~
V Example of process 8 `~ Example 11 Ethyl N-[[[cyano(4-(4'-trifluoromethylthiophenyl)-3,5-dichlorophenoxy)-hydrazinylidene]-methyl]-carbonyl]-carbamate 3CS Cl - o 1 . HC l / NaN02 NH2 ~ NCH2C-C-N-CO2E~
>'=/ H 2. NaOCOCH~
Cl `:
F3CS~}N-N=C-C-N-C02Et.
Cl H O H
15.8 g (0.045 mol) of aniline are dissolved in 10 ml of conc. HCl and 100 ml of ethanol and a solution of 3.2 g (0.045 mol) of sodium nitrite in 30 ml of water is added dropwise at 0-5C. The mixture is ~ubsequently stirred until the solution i8 clear, then a mixture of 7.1 g (0.045 mol) of cyanoacetylurethane and 11 g (0.13 mol) of .
.
. .
Le A 27 916 - 50 -'`"
"
.::
, ~.
.... .
:,:
:
'~
sDdium acetate is added and the mixture is subsequently stirred at 10C for 3 h. The reaction mixture is concentrated in vacuo, stirred with water and the solid is filtered off with suction, 19 g (82%) of product are thus obtained as a finely crystalline yellow powder.
Example of process 8 Example 12 CN 1) HCl/NaNO2 F3Cs~3C{~NHz 2) NaOCOCH3/NCCH2CONNC02C2H5 CN CN
F3Cs ~ ~ 3 N-N=C-C-N-Co2Et.
H Cl H O H
8.9 g (0.026 mol) of aniline are di~solved in 5.6 ml of conc. HCl and a mixture of 50 ml of glacial acetic acid and 50 ml of propionic acid and 1.8 g (0.026 mol) of sodium nitrite are added dropwise at 0C in 5 ml of water. The mixture is subsequently stirred for 30 min and the diazonium salt solution thus prepared is added dropwise to a mixture, cooled to 0C, of 4 g (0.026 mol) of cyanoacetylurethane and 5.3 g (00065 mol) of sodium acetate in 40 ml of glacial acetic acid and 40 ml of propionic acid ans the mixture is subsequently stirred at 10C for 3 hours. The reaction mixture is concentrated in Le A 27 916 - Sl -vacuo, water is added and the solid is filtered off with suction. 3 g (76~) of the hydrazinyl compound are thus obtained as a yellow solid.
The following compounds are prepared analogously CN Cl CN
S F3CX~7-N=C-C-N-C02Et-H Cl H o H
Ex. 13 X = O
Ex. 14 X = S
Le A 27 916 - 52 -
in which R5, R7 and Ra have the meaning indicated in (5).
The compounds of the formula (I) and their salts with bases or acids are outstandingly suitable for the control of parasitic protozoa and in particular of coccidia and fish parasites.
Preferred compounds of the formula (I) are compounds in which X represents O or S, Y represents 0, S, CO, fH or CN, R1 represents Cl4-halogenoalkyl, Le A 27 916 - 7 -R~ represents hydrogen, halogen or Cl4-halogeno-alkyl, R3 reprèsents hydrog~n or C14-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halogenoalky:L and C14-alkyl, and R5 and R6 represent hydrogen.
Particularly preferred compounds of the formula (I) are those ~0 in which X represents O or S, Y represents 0, S or CN, -CH- -R1 represents C14-halogenoalkyl, R2 represents hydrogen or halogen, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, C14-alkyl and trifluoromethyl, and R5 and R6 represent hydrogen.
Very particularly preferred compounds of the formula (I) are those in which X represents O or S, Y represents 0, S or CN, -CH-R1 represents C14-halogenoalkyl, in particular trifluoromethyl, Le A 27 916 - 8 -R2 represents hydrogen, R4 represents one or mor~e identical or different radicals from the series consisting of hydrogen, fluorine, chlorine and bromine, in particular chlorine, and R5 and R6 represent hydrogen.
The following compounds may be mentioned in detail R4 o f==\ >=\ '~N
F~C-X~r--~ ,~N ~0 ~ N~
X y R R4 O O Cl Cl S O Cl Cl O S Cl Cl S S Cl Cl O CHCN Cl Cl S CHCN Cl Cl The following compounds may furthermoro be mentioned R2 R4 o R1-X ~ Y ~N~
Le A 27 916 - 9 -231~9-7270 x r Rl R2 ~ R4 O O CHF2 H Cl Cl o O CHF2 Cl Cl Cl O O CF2CHFz H Cl Cl O S CHF2 H Cl Cl O S CHF2 Cl Cl Cl O S CF2CHF2 H Cl Cl : o S CF3 Cl CH3 CH3 O CHCN CHF2 H Cl Cl O CHCN CHF2 Cl Cl Cl o CHCN CF2CHF2 H Cl Cl O CHCN CF2CHF2 Cl Cl Cl S CHF2 H Cl Cl S O CHF2 Cl Cl Cl CF2CHF2 H Cl Cl If 2-~4-(4'-trifluoromethylthiophenyl)-3,5-dichloro-phenoxy]-1,2,4-triazine-3,5-(2H,4H)dione is employed as the compound of the formula (Ia) and methyl iodide is employed as the compound of the formula (II) in process 2a) for the preparation of the compounds of the formula (I), in which R5 does not represent hydrogen, the process can be described by the following equation:
Le A 27 916 - 10 -O
F 3 C 5~3~C~N~,>=o + CH 3 Cl F3CS~ Cl ~N
O--~N _~=O
Cl The compounds of the formula (Ia) are prepared as des-cribed in process 2b).
The compounds of the formula (II) are known or can be prepared by known methods. Methyl iodide and ethyl bromide may be particularly mentioned.
The process i8 carried out by reacting a compound of the formula (Ia) with compounds of the formula (II) in the presence of a base and of a diluent.
Suitable diluents are virtually all the inert organic solvents. These preferably include aliphatic and aroma-tic, optionally halogenated hydrocarbons, such as benzine, ligroin, benzene, toluene, xylene, methylene chloride, ethylene chloride, chlorobenzene and o-dichlorobenzene, ethers such as diethyl ether and dibutyl ether, glycol dimethyl ether and diglycol dimethyl ether, tetra-hydrofuran and dioxane, ketones such as acetone, methyl Le A 27 916 - 11 -231~9-7270 ethyl ketone, methyl isopropyl ketone and methyl isobutyl ketone, esters such as methyl acetate and ethyl acetate, nitriles such as, for example, acetonitrile and propio-nitrile, amides such as, for example, dimethylformamide, dimethylacetamide ~nd N-methylpyrrolidone and also dimethyl sulphoxide, tetramethylene sulphone and hexa-methylphosphoric triamide.
The process is carried out in the presence of bases.
Preferred bases which may he mentioned are the alkali metal hydroxide4 such as sodium hydroxide, alkali metal alkoxides such as sodium methoxide or potas~ium butoxide, metal hydrides -~uch as sodium hydride or organic bases such as 1,8-diazabicyclo[5.40]undec-7-ene (DBU).
The process i~ carried out at normal precsure and at temperatures between 20~ and 140C.
The reaction is carried out by combining equimolar amounts of the compound of the formula (Ia) and base, adding an equimolar amount of the compound of the formula (II) to this mixture and heating to the reaction temperature.
Both the compounds of the formula (I) and the compounds of the formula (Ia) can be prepared by process 2b) described below.
If 2-[4-(4'-trifluoromethylthiophenyl)-3,5-dichlorophenoxy]-1,2,4-triazine-3,5(2H,4H)dione-6-carboxylic acid is employed as the Le A 27 916 - 12 -compound of the formula III in process 2b) for the preparation of the compounds of the formula I, the process can be described by the following equation:
H
F3CS~ Cl O
H
F3CS~_ ~N
The compounds of the formula (III) are prepared by ~he process described further below (4). Compounds of the formula (III) are preferably employed in which Y, X, Rl, R2, R3, R4 and R5 have the preferred meanings indicated for the compound~ of the formula tI).
Individual compounds of the formula (III) which may be mentioned are H
F3CX~Y~
Le A 27 916 - 13 -x r R4 O 3,5-C12 0 3,5-C12 S 3~5-C~2 S S :~,S-C12 O CHCN 3,5-C12 CHCN 3~5-C~2 The decarboxylation i5 optionally carried out in the presence of inert organic diluents. These include alipha-tic and aromatic, optionally halogenated hydrocarbons such as nonane, decane, dodecane or xylenes, alcohols such as diethylene glycol, ethers such as ethylene glycol monobutyl ether or diethylene glycol dibutyl ether, sulphoxides such as dimethyl sulphoxide and sulphones such as tetramethylene sulphone.
The reaction can moreover be carried out in the presence of mercap~o group-containing carboxylic acids such as, for example, mercaptoacetic acid or thiosalicylic acid.
The reaction i8 carried out at temperatures between 150 and 300C, if appropriate in the presence of mercapto group-containing caxboxylic acids such as, for example, mercaptoacetic acid, preferably between 160 and 250C, in particular between 180 and 210C.
The reaction i8 carried out at normal pressure. The compounds of the formulae (III) are heated in substance or in the form of a solution or suspension in the respective diluent.
Le A 27 916 - 14 -If 2-[4-~4'-trifluoromethylthiophenyl)-3,5-dichloro-phenoxy]-1,2,4-triazine-3,5-[2H,4H)dione is employed as the compound of the formula Ib in process 2c, the process can be described by the following equation:
Cl O
F3CS{~}`N~
cl Cl O
F3CS~7N~
Cl The compounds of the formula Ib are new and are obtained, for example, by the processes 2a-c).
Compounds of the formula Ib may preferably be mentioned in which X, Y, R1, RZ, R3, R~ and R5 haYe the preferred meanings mentioned for the compoundq of the formula I.
In particular, the following compounds of the formula Ib may be mentioned:
o F3CX~R~}N~J
Le A 27 916 - 15 -X Y R1 ~R4 O 0 Cl Cl S O Cl Cl O S Cl Cl S S Cl C1 O CHCN Cl ~1 S CHCN Cl Cl SO2 CHCN Cl Cl Process 2c) is carried out by heating a compound of the formula Ib in the presence of a reducing agent and of an acid. Reducing agents which can be used are metals such as, for example, zinc and metal salts such as, for example, tin(II) chloride, metal hydrides such as lithium aluminium hydride and catalytically activated hydrogen.
Acids employed are dilute mineral acid~ such as, for example, hydrochloric acid and organic acids such as, for example, glacial acetic acid. The reaction can optionally be carried out in the presence of a diluent. Diluents which can be used as inert organic solvents. These include hydrocarbons such as, for example, toluene, ethers such as, for example, dioxane, ketones such as, for example, acetone and alcohols such as, for example, ethanol. The reduction is carried out at temperatures between 80 and 120C at normal pressure or at elevated pres~ure.
Proce~ses 2d and 2e are carried out according to the Le A 27 916 - 16 -conditions indicated for proce!ss 2a.
If 2-[4-(4~-trifluoromethylthiophenyl)-3,5-dichloro-phenoxy]-6-cyano-1,2,4-triazine-3,5(2H,4H)dione is employed as the compound of the formula (IV) in process 4 for the preparation of the compounds of the formula (III), the process can be described by the following equation:
F3CS~3 = N ~=0 Cl CN
F3Cs~3n ,~o The compoundq of the formula (IV) are new. They are prepared by the process described under (6).
0 Compounds of the formula (IV) are preferably employed in h X R1 R2 R3 R4 and R5 has the preferred mean ings indicated for the compounds of the formula (I) and R7 represents CN.
Hydrolysis of the compounds of the formula ~IV) is carried out under acidic conditions. Acids used are mineral acids such as, for example, hydrochloric acid, hydrobromic acid, sulphuric acid and mixtures of mineral Le A 27 916 - 17 -acids and organic acids such as, for e~ample acetic acid or propionic acid.
The reaction is carried out at temperatures between 80 and 120C. It is carried out under normal pressure.
The compounds of the formula (IV) are dissolved in 10-30 times the volume of the acid or of the acid mixture and the mixture is heated until hydrolysis is complete.
If ethyl N-[[[cyano(3,5-dichloro-(4'-trifluoromethyl-phenyl)phenoxy)-hydrazinylidene]methyl]carbonyl]-carbamate is employed as the compound of the formula V in process 6 for the prepara~ion of the compounds of the formula (IV), the process can be described by the following equation:
Cl CN
,~G~}N-N=c-c-N-co2c2H5 F3CS Cl o H
Cl O
~ ~ N ~
F3C Cl CN
The compounds of the formula (V) are new. They are prepared by the process described under (8). Compounds Le A 27 916 - 18 -of the formula (V) are preferably employed in which Y, X, Rl, R2, R3, R4 and R5 have the preferred meanings indicated for the compounds of the formula (I), R8 represents C14-alkyl, in particular methyl or ethyl and phenyl, and R7 represents CN.
Individual compounds of the formula (V) which may be menti.oned are F3CX~ R4 N-N=C-CONHCOO-ethyl Q 3,5-C12 0 3,S-C12 O S 3,5-C12 3,S-C12 O CHCN 3,S-C12 S CHCN 3,S-C12 Process 6) is carried out by heating a compound of the formula (V), if appropriate in the presence of a solvent and of a base.
Solvents and bases used are the solvents and bases mentioned for the preparation of the compounds I. Further particularly preferred organic solvents employed are Le A 27 916 - 19 -alcohols such as, for example, ethanol or organic acids such as, for example, glacial acetic acid.
Particularly preferred bases are the hydroxides and acetates of the alkali metals or alkaline earth metals S such as, for example, NaOH or sodium acetate and potas-sium aceta e.
The reaction is carried out under normal pressure at temperatures between 70 and 150C, preferably between 70 and 100C.
~he base used is employed in a 10-80 % molar excess. The reaction mixture is preferably acidified using a dilute mineral acid such as, for example, hydrochloric acid after cyclisation is complete and the product obtained aæ
a solid i8 filtered off.
The compounds of the formula V employed in process 6) are new. They are prepared by the process described under (8).
If 4-(4'-trifluoromethylthiophenyl)oxy-3,5-dichloroaniline is employed as the compound of the formula (VI) and ethyl cyanoacetylurethane is employed as the compound of the formula (VII) in process 8) for the preparation of the compound3 of the formula (V), the process can be des-cribed by the following equation:
Le A 27 916 - 20 -F3CS~ NH2 IF3CS~ >~ r~r ~N--N+~
CN
~3CS~
>-N-N=C-ICI-N-CO2C2H5 The compounds of the formulae (VI) and ~VII) are known or can be prepared analogously to known processes (cf.
DE-OS (German Publi~hed Specification) 2,413,722;
2,718,799; US Patent 4,005,218; Le A 26 382).
The process is carried out by reacting an aniline of the formula (VI) with NaNO2 and conc. mineral acid such as, for example, HCl, if appropriate in the presence of a diluent.
Diluents used are the wa~er-miscible diluents such as alcohols, for example methanol, ethanol, glycol ether.
such as monomethylglycol ether, nitrile~ such as aceto-nitrile, dimethyl sulphoxide, organic acids such as, for example, glacial acetic acid, formic acid or propionic acid, or mixtures of organic acids, preferably a mixture Le A 27 916 - 21 -of glacial acetic acid and propionic acid.
The diazonium salt generated in this way is reacted in situ with a compound of the formula (VII) such as, for example, malonyldiurethane or cyanoacetylurethane in the presence of a base. Bases used are hydroxides and car-bonates of the alkali metals and alkaline earth metals and acetates of sodium, potassium and ammonium.
Organic bases such as pyridine or triethylamine can additionally be used.
Diazotisation is carried out at normal pressure and at temperatures between 0C and 10C. The addition of the compounds of the formula (VII) is carried out at 0 to 20C. Aniline and nitrite are reacted in equimolar amounts in an excess of acid which is preferably 2-3 time~ the molar amount. The CH-acid compound is added in a 0 to 30 % molar excess, preferably a 10% excess. The base is added in a 1.5-2.5 times molar excess. Advant-ageously, a reverse addition can also be carried out, i.e. the diazonium salt of the compound of the formula (VI) generated by diazotisation is added dropwise at 0 to 10C to a mixture of a compound of the formula (VII) and the respective solvent or solvent mixture.
The coupling product of the diazonium salt and CH-acid compound is insoluble in the reaction medium and can be isolated as a solid.
Le A 27 916 - 22 -The process can also be carried out such that compounds of the formula (VI) are formed directly without isolation of the compound of the formula (V). To do this, the diazotisation of the anilines of the formula (VI) and the reaction with the urethanes of the formula (VII) is carried out in a diluent suitable for the cyclisation.
The reaction mixture is heated after diazotisation and coupling have been carried out and the triazinedione of the formula (IV) is then isolated.
Diluents which may be mentioned are: alcohols such as methanol and ethanol.
j For cyclisation, the reaction mixture is heated to about 80 to 120C, preferably about 80 to 100C.
Working-up i~ carried out as indicated further above for process (6) for the preparation of the compounds of the formula (IV).
The active compounds are suitable for combating parasitic protozoa which are encountered in the keeping and raising of animals with productive, breeding, zoo, laboratory, experimental and pet animals, and have favourable toxi-city to warm-blooded animals. They are active against all or individual stages of development of the pests and against resistant and normally sen~itive strains. By ` combating the parasitic protozoa, disease, cases of death and yield reductions (for example in the production of meat, milk, wool, hides, eggs, honey etc.) should be :
Le A 27 916 - 23 -.
reduced so that more economical and simpler keeping of animals is possible through the use of the active com-pounds.
The parasitic protozoa includes Mastigophora (Flagellata) such as, for example, Trypano-somatidae, for example Trypanosoma b. brucei, T.b.
gambiense, T.b. rhodesiense, T. congolense, T. cru~i, T.
evansi, T. equinum, T. lewisi, T. percae, T. simiae, T.
vivax, Leishmania brasiliensis, L. donovani, L. tropica, such as, for example, Trichomonadidae, for example Giardia lamblia and G. canis.
Sarcomastigophora (Rhizopoda) such as Entamoebidae, for example Entamoeba histolytica, Hartmanellidae, for example Acanthamoeba sp. and Hartmanella sp.
Apicomplexa (Sporozoa) such as Eimeridae, for example Eimeria acervulina, E. adenoides, E. alabahmensis, E.
anatis, E. anseris, E. arloingi, E. ashata, E.
auburnensis, E. bovis, E. brunetti, E. canis, E. chin-chillae, E. clupearum, E. columbae, E. contorta, E.
crandalis~ E. dabliecki, E. dispersa, E. ellipsoidales, E. falciformis, E. faurei, E. flavescens, E. gallopavo-nis, E. hagani, E. intestinalis, E. iroquoina, E. irresi-dua, E. labbeana, E. leucarti, E. magna, E. maxima, E.
media, E. meleagridis, E. meleagrimitis, E. mitis, E.
necatrix, E. ninakohlyakimovae, E. ovis, E. parva, E.
pavonis, E. perforans, E. phasani, E~ piriformis, E.
Le A 27 916 - 24 -praecox, E. residua, E. scabra" E. spec., E. stiedai, E.
suis, E. tenella, E. truncatal~ E. truttae, E. zuernii, Globidium spec., Isospora belli, I. canis, I. felis, I.
ohioensis, I.rivolta, I. spec., I. suis, Cystisospora spec., Cryptosporidium spec. such as Toxoplasmadidae, for example Toxoplasma gondii, such as Sarcocystidae, for example Sarcocystis bovicanis, S. bovihominis, ~. ovi-canis, S. ovifelis, S. spec., S. suihominis such as Leucozoidae, for example Leucozytozoon simondi, such as Plasmodiidae, for example Plasmodium berghei, P. falci-parum, P. malariae, P. ovale, P. vivax, P. spec., such as Piroplasmea, for example Babesia argentina, B. bovis, B.
canis, B. spec., Theileria parva, Theileria spec., such as Adeleina, for example Hepatozoon canis, H. spec.
In addition Myxospora and Microspora, for example Glugea spec. and Nosema spec.
In addition Pneumocystis carinii and Ciliophora (Ciliata) such as, for example, Balantidium coli, Ichthiophthirius spec., Trichodina spec. and Epistylis spec.
The compounds according to the invention are also active against protozoa which occur as parasites in insects.
Those which may be mentioned are parasites of the Micro-sporida strain, in particular the genus Nosema. Nosema apis in the honey bee may be particularly mentioned.
The productive and breeding animals include mammals such as, for example, cattle, horses, sheep, pigs, goats, Le A 2~ 916 - 25 -camels, water buffalo, donkeys, rabbits, fallow deer, reindeer, animals having a valuable coat such as, for example, mink, chinchilla, racoons, birds such as, for example, hens, geese, turkeys, ducks, doves, and species of bird for keeping at home and in the zoo. In addition, productive and ornamental fish are included.
The laboratory and experimental animals include mice, rats, guinea pigs, golden hamsters, dogs and cats.
The pet animals include dogs and cats.
The fish include productive, breeding, aquarium and ornamental fish of all ages which live in fresh and salt water. The productive and breeding fish include, for example, carp, eel, trout, whitefish, salmon, bream, roach, rudd, chub, sole, plaice, halibut, Japanese yellowtail (Seriola quinqueradiata), Japanese eel (Anguilla japonica), red seabream (Pagurus major), sea bass (Dicentrarchus labrax), grey mullet (Mugilus cephalus), pompano, gilthread seabream (Sparus auratus), Tilapia spp., chichlidae specie~ such as, for example, Plagioscion or Channel catfish. The agents according to the invention are particularly suitable for the treatment of fry, for example carp of 2-4 cm body length. The agents are also very highly suitab~e in the feeding of eels.
Administration can be carried out both prophylactically and therapeutically.
Le A 27 ~16 - 26 -The administration of the active compounds is carried out directly or enterally, parenterally, dermally or nasally in the form of suitable preparations.
Enteral administra~ion of the active compounds is carried out, for example, orally in the form of powders, sup-positories, tablets, capsules, pastes, drinks, granules, drenches, boli, medicated feed or drinking water. Dexmal administration is carried out, for example, in the form of dipping, spraying, bathing, washing, pouring-on and spotting-on and powdering. Parenteral administration is carried out, for example, in the form of injection (intramuscular, subcutaneous, intravenous, intraperitoneal) or by implants.
Suitable preparations are:
solutions such as injection solutions, oral solutions, concentrates for oral administration after dilution, solutions for use on the skin or in body cavities~
pouring-on formulations and gels;
emulsions and suspensions for oral or dermal administra-tion and also for in~ection; semi-solid preparations;
formulations in which the active compound is processed in an ointment base or in an oil-in-water or water-in-oil emulsion base;
solid preparations such as powders, premixes or concen-trates, granule~, pellets, tablets, boli, capsules;
aerosols and inhalants, and moulded articles containing active compound.
Le A 27 ~16 - 27 -Injection solutions are administered intravenously, intramuscularly and subcutaneously.
Injection solutions are produced by dissolving the active compound in a suitable solvent and, if necessary, adding additives such as solubilisers, acids, bases, buffer salt3, antioxidants and preservatives. The solutions are sterile filtered and bottled.
Solvents which may b~ mentioned are: physiologically tolerable solvents such as water, alcohols such as ethanolj butanol, benzyl acohol, glycerol, hydrocarbons, propylene glycol, polyethylene glycols, N-methylpyrrolidone, and mixtures of these.
The active compounds may optionally also be dissolved in physiologically tolerable vegetable or synthetic oils which are suitable for injection.
Solubilisers which may be mentioned are: solvents which promote the solution of the active compound in the main solvent or prevent its precipitation. Examples are polyvinylpyrrolidone, polyoxyethylated castor oil and polyoxyethylated sorbitan esters.
Preservatives are: benzyl alcohol, trichlorobutanol, p-hydroxybenzoic acid esters and n-butanol.
Oral solutions are administered directly. Concentrates are administered orally after previously diluting to the Le A 27 916 - 28 -administration concentration. Oral solutions and con-centrates are prepared as described above for the injec-tion solutions, it being possible to dispense with sterile working.
Solutions for use on the skin are poured on dropwise, spread on, rubbed in, sprinkled on, sprayed on or applied by dipping, bathing or washing. These solutions are prepared as described above for the injection solutions.
It may be advantageous to add thickeners during the preparation. Thickeners are: inorganic thickeners such as bentonites, colloidal silica, aluminium monostearate, organic thickeners such as cellulose derivatives, polyvinyl alcohols and their copolymers, acrylates and metacrylates.
Gels are applied to or spread on the skin or introduced into body cavities. Gels are prepared by adding such a quantity of thickener to solutions which have been prepared as described for the injection solutions that a clear composition having an ointment-like consistency results. The thickeners indicated above are employed as thickeners.
Pouring-on formulations are poured onto or ~prinkled onto limited areas of the skin, whereupon the active compound either penetrates the skin and acts systemically or is di~tributed on the body surface.
Le A 27 916 - 29 -Pouring-on formulations are prepared by dissolving, suspending or emulsifying the active compound in suitable skin-compatible solvents or solvent mixtures. If appro-priate, further auxiliaries such as colorantR, absorp-tion-promoting substances, antioxidants, light screens and adhesives are added.
Solvents which may be mentioned are: water, alkanols, glycols, polyethylene glycols, polypropylene glycols, glycerol, aromatic alcohols such as benzyl alcohol, phenylethanol, phenoxyethanol, esters such as ethyl ace~ate, butyl acetate, benzyl benzoate, ether6 such as alkylene glycol alkyl ethers such as dipropylene glycol monomethyl ether, diethylene glycol mono-butyl ether, ketones such as acetone, methyl ethyl ketone, aromatic and/or aliphatic hydrocarbons, vegetable or synthetic oils, DMF, dimethylacetamide, N-methylpyrrolidone and 2-dimethyl-4-oxy-methylene-1,3-dioxolane.
Colorants are all colorants which may be dissolved or suspended and which are permitted for administration to animals.
Absorption-promoting substances are, for example, DMSO, spreading oils such as isopropyl myristate, dipropylene glycol pelargonate, silicone oils, fatty acid esters, triglycerides and fatty alcohols.
Antioxidants are sulphites or metabisulphites such as potassium metabisulphite, ascorbic acid, Le A 27 916 - 30 -butylhydroxytoluene, butylhyd:roxyanisole and tocopherol.
Light screens are, for example, substances of the benzo-phenone class or novantisolic acid.
Adhesives are, for example, cellulose derivatives, starch derivatives, polyacrylates, and natural polymers such as alginates and gelatin.
Emulsions may be administered orally, dermally or as injections.
Emulsions are either of the water-in-oil type or the oil-in-water type.
They are prepared by dissolving the active compound either in the hydrophobic or the hydrophilic phase and homogenising this with the solvent of the other phase with the aid of suitable emulsifiers and, if appropriate, further auxiliaries such as colorants, absorption-promoting substances, preservatives, antioxidants, light screens and viscosity-increasing substance Hydrophobic phases (oils) which may be mentioned are:
paraffin oils, silicone oils, natural vegetable oils such as sesame oil, almond oil, castor oil, synthetic tri-glycerides such as caprylic/capric acid biglyceride, triglyceride mixture with vegetable fatty acids of chain l~ngth C~l2 or other specially selected natural fatty acids, partial glyceride mixtures of saturated or :
Le A 27 916 - 31 -~' unsaturated fatty acids possibly also containing hydroxyl groups, and mono- and diglyce:rides of C8/C10-fatty acids.
Fatty acid esters such as ethyl stearate, di-n-butyryl adipate, hexyl lauroate, dipropylene glycol pelargonate, esters of a branched fatty acid of medium chain length containing saturated fatty alcohols of chain lenqth C~6-Cl3, isopropyl myristate, isopropyl palmitate, caprylicJcapric acid esters of ~aturated fatty alcohols of chain length C~2-C1a, isopropyl stearate, oleyl oleate, decyl oleate, ethyl oleate, ethyl lactate, waxy fatty acid esters ~uch as dibutyl phthalate, diisopropyl adipate, ester mixtures related to the latter, inter alia fatty alcohols such as isotridecyl alcohol, 2-octyl-dodecanol, cetyl stearyl alcohol and oleyl alcohol.
Fatty acids such as, for example, oleic acid and its mixtures.
Hydrophilic phases which may be mentioned are:
water, alcohols such as, for example, propylene glycol, glycerol, sorbitol and their mixtures.
Emulsifiers which may be mentioned are: non-ionic surfac-tants, for example polyoxyethylated castor oil, polyoxy-ethylated sorbitan monooleate, sorbitan monostearate, glycerol monostearate, polyoxyethyl stearate and alkyl-phenol polyglycol ethers;
: 25 ampholytic surfactants such as di-Na N-lauryl-~-imino-~ dipropionate or lecithin;
;' : Le A 27 916 - 32 -anionic surfactants, such as Na lauryl sulphate, fatty alcohol ether sulphates, mono/dialkyl polyglycol ether orthophosphoric acid ester monoethanolamine salt;
cationic sur~actants such as cetyltrimethylammonium S chloride.
Other auxiliaries which may be mentioned are: substances increasing viscosity and ~tabilising the emulsion such as carboxymethylcellulose, methylcellulose and other cel-lulose and starch derivatives, polyacrylates, alginates, gelatin, gum arabic, polyvinylpyrrolidone, polyvinyl alcohol, copolymers of methyl vinyl ether and maleic anhydride, polyethylene glycols, waxes, colloidal silica or mixtures of the substances mentioned.
Suspensions may be administered orally, dermally or as an in~ection. They are prepared by suspending the active compound in an excipient liquid, if appropriate with the addition of other auxiliaries such as wetting agents, colorants, absorption-promoting substances, preserva-tives, antioxidants light screens.
Excipient liquids which may be mentioned are all homo-geneous solvents and solvent mixtures.
Wetting agents (dispersants) which may be mentioned are the surfactants indicated above.
Le A 27 916 - 33 -Other auxiliaries which may be mentioned are ~hose indicated above.
Semi~solid preparations can be administered orally or dermally. They differ from the suspensions and emulsions described above only by their higher viscosity~
In order to prepare solid preparations, the active compound is mixed with suitable excipients, if appropri-ate with the addition of auxiliaries, and brought into the desired form.
Excipients which may be mentioned are all physiologically tolerable solid inert substances. Those used are inor-ganic and organic substances. Inorganic substances are, for example, sodium chloride, carbonates such as calcium carbonate, hydrogen carbonates, aluminium oxides, silicic acids, aluminas, precipitated or colloidal silica and phosphates.
Organic substances are, for example, sugars, cellulose, foodstuffs and feeds such as milk powder, animal meal, cereal meal and shreds, and starches.
Auxiliaries are preservatives, antioxidants and colorants which have already been mentioned above.
Other suitable auxiliaries are lubricants and glidants ~uch as, for example, magnesiu~ stearate, stearic acid, talc, bentonites, disintegration-promoting substances Le ~ 27 916 - 34 -such as starch or crosslinked polyvinylpyrrolidone, binders such as, for example, starch, gelatin or linear polyvinylpyrrolidone and dry binders such as microcrys-talline cellulose.
The active compounds may also be present in the prepara-tions as a mixture with synergists or with other active compounds.
Ready-to-use preparations contain the active compound in concentrations of 10 ppm - 20 per cent by weight, prefer-lQ ably from 0.1 - 10 per cent by weight.
Preparations which are diluted before use contain the active compound in concentrations of 0.5 - 90 per cent by weight, preferably from 1 to 5~ per cent by weight.
In general, it has proved advantageous to administer amounts of about 0.5 to about 50 mg, preferably 1 to 20 mg, of active compound per kg of body weight per day to attain effective results.
The active compounds can also be administered together with the feed or drinking water of the animals.
Feeds and foodstuffs contain 0.01 to 100 ppm, prefexably 0.5 to 50 ppm of the active compound in combination with a suitable edible material.
Such a feed or foodstuff can be used both for healing Le A 27 916 - 35 -purposes and for prophylactic purposes.
The preparation of such a feed or foodstuff is carried out by mixing a concentrate or a premix which contains 0.5 to 30 %, preferably 1 to 20 % by weight, of an active S compound in a mixture with an edible organic or inorganic excipient with customary feeds. Edible excipients are, for example, maize flour or maize and soya bean flour or mineral salts which preferably contain a ~mall amount of an edible dust-preventing oil, for example maize oil or soya oil. The premix obtained in this way can then be added to the complete feed before feeding it to the animals.
Use in coccidiosis may be mentioned as an example:
For the curing and prophylaxis, for example, of cocci-diosis in poultry, in particular in hen~, ducks, geeseand turkeys, 0.1 to 100 ppm, preferably 0.5 to 100 ppm, of an active compound are mixed with a suitable edible material, for example a nutritious feed. If desired, these amounts can be increased, particularly if the active compound is well tolerated by the recipient.
Administration can correspondingly be carried out via the drinking water.
For the treatment of individual animals, for example in the case of the treatment of coccidiosis in mammals or toxoplasmo6is, preferably amounts of active compound of 0.5 to 100 mg/kg of body weight are administered daily in order to obtain the desired results. In spite of this Le A 27 916 - 36 -it may be periodically necessary to deviate from the amounts mentioned, in particular depending on the body weight of the test animal or the type of administration method, but also on account of the type of animal and its individual reaction to the active compound or the manner of formulation and the time or the interval at which it is administered. Thus, in certain cases it may be - sufficient to manage with less than the minimum amount previously menti.oned, whereas in other cases the upper lLmit mentioned must be exceeded. With the administration of larger amounts, i~ may be expedient to divide these into a number of individual administrations over the course of the day.
The compounds according to the invention are moreover active against various fish parasites which belong to the helminths (worms).
The fish parasites include from the sub-kingdom of the protozoa, species of the Ciliata strain, for example Ichthyophthirius multifiliis, Chilodonella cyprini, Trichodina spp., Glossatella spp., Epistylis 5pp. of the Myxosporidia strain, for example Myxosoma cerebralis, Myxidium spp., Myxobolus spp., Heneguya spp., Hoferellus spp., the Microsporidia class, for example Glugea spp., ` Thelohania spp., Pleistophora spp., from the plat hel-:~ 25 minths strain: trematodes; Monogenea, for example Dactyl-` ogyru~ 8pp., Gyrodactylus spp., Pseudodactylogyrus spp., - Diplozoon ~pp., cestodes, for example from the groups of the Caryphyllidea (for example Caryophyllaeus laticeps), ~.
~, Le A 27 916 - 37 -:, Pseudophyllidea (for example Diphyllobothrium spp.), Tetraphyllidea (for example Phyllobothrium spp. ) and Protocephalida (for example species of the genus Proteo-cephalus) and from the strain of the Arthropoda, various parasitic crustaceae, in particular from the sub-classes of the Branchiura (fish-lice) and Copepoda (copepods) and the orders of the Isopoda (isopods) and Amphipoda (amphipods).
The treatment of the fish is carried out either orally, for example via the feed or by short-term treatment, "medicinal bath", into which the fish are put and in which they are kept for some time (minutes up to a number of hours), for example when transferring from one breed-ing pond to the other.
However, temporary or permanent treatment of the living space of the fish (for example entire pool units, aquaria, tanks or ponds), in which the fish are kept, can also be carried out.
The active compound is administered in preparations which are suited to the applications.
The concentration of the active compound in the prepara-tions i8 1 ppm to 10 ~ by weight.
Preferred preparations for short-term treatment in the course of uRe as a "medicinal bath", for example in the treatment when transferring the fish or for the treatment Le A 27 916 - 38 -of the living space (pool treatment) of the fish, are solutions of the active compound in one or more polar solvents which give an alkaline reaction on diluting with water.
For the preparation of these solutions, the active compound is dissolved in a polar, water-soluble solvent which either gives an alkaline reaction or to which is added an alkaline water-soluble substance. The latter is advantageously also dissolved in the solvent, bu~. can also be suspended in the solven~ and only dissolve in the water. After addition of the active compound solution, the water should have a pH of 7-10, but preferably a pH
of 8-10.
The concentration of the active compound can be in the range from 0.5 - 50 %, but preferably in a range from 1 25 %.
Suitable solvents are all water-soluble solvents in which the active compound is soluble at a sufficient concentra-tion and which are physiologically acceptable.
These are ethyl alcohol, isopropyl alcohol, benzyl alcohol, glycerol, propylene glycol, polyethylene glycols, poly(oxoethylene)-poly(oxypropylene) polymexs, basic alcohols such as mono-, di- and triethanolamine, ketones such as acetone or methyl ethyl ketone, esters such as ethyl lactate, in addition N-methylpyrrolidone, dimethylacetamide, dimethylformamide, and in addition .~
Le A 27 916 - 39 -' dispersants and emulsifiers such as polyoxyethylated castor oil, polyethylene glycol sorbitan monooleate, polyethylene glycol stearate or polyethylene glycol ethers and polyethylene glycol alkylamines.
Bases which may be mentioned for adjusting the alkaline pH are organic bases such as basic amino acids such as L-or D,L-arginine, L- or D,L-lysine, methylglucosamine, glucosamine, 2-amino-2-hydroxymethylpropane-1,3-diol and in addition such as N,N,N',N'-tetrakis-(2-hydroxypropyl)-ethylenediamine or polyether tetrol based on ethylene-diamine (~.W. ~80-420), inorganic bases, such as ammonia or sodium carbonate - if appropriate with the addition of water.
The prepara~ions may also contain 0.1 to 20 % by weight, preferably 0.1 - 10 % by weight, of other formulation auxiliaries, such as antioxidants, surfactants, suspen-sion stabilisers and thickeners such as, for example, methylcellulose, alginates, polysaccharides, galacto-mannans and colloidal silicic acid. The addition of colorants, flavouring and builders for animal nutrition is also possible. Even acids which, together with the base initially introduced, form a buffer ~ystem or reduce the pH of the solution, can be mentioned here.
The concentration of the active compound during use depends on the type and duration of the treatment, and the age and condition of the treated fish. It is, for example, for a short-term treatment, 2-50 mg of active Le A 27 916 - 40 -compound per litre of water, preferably 5-10 mg per litre, for a treatment period of 3-4 hours. For the treatment of young carp, for example, a concentration of 5-10 mg/l and a treatment per:iod of about 1-4 hours are used.
Eels are treated using concentrations of about 5 mg/l for about 4 hours.
For a relatively long treatment period or for continuous treatment, the concentration can be chosen to be cor-respondingly lower.
For pool treatments, 0.1 - 5 mg of active compound per litre of water can be used.
Preparations for use as a food additive are, for example, composed as follows: 5 a) Active compound 1 - 10 parts by weightof the formula I
Soya bean protein 49 - 90 parts by weight b) Active compound 0.5 - 10 parts by weight of the formula I
Benzyl alcohol 0.08 - 1.4 parts by weight Hydroxypropyl- 0 - 3.5 parts by weight methyl cellulose Water remainder to 100 Preparations for use in "medicinal baths" and for pool treatment are, for example, composed and prepared as Le A 27 916 ~ollows.
c) 2.5 g of active compound of the formula (I) are dissolved in 100 ml of triethanolamine with warming.
d) 2.5 g of active compound of the formula (I) 12.5 g of lactic acid are dissolved in 100 ml of triethanol ~mine with warming and stirring.
e) lO.0 g of active compound of the formula (I) is dissolved in lO0 ml of monoethanolamine.
f) Active compound of the formula I 5.0 g Propylene glycol 50.0 g Sodium carbonate 5.0 g Water to 100 ml g) Active compound of the formula I 5.0 g Monoethanolamine lO g N-Methylpyrrolidone to 100 ml h) Active compound of the formula I 2.5 g Sodium carbonate 5.0 g Polyethylene glycol200 to 100 ml The active compound i8 dissolved in polyethylene glycol with werring and sodiuI carbonete is suspended therein.
'' , Le A 27 916 - 42 -;~ .
Example A
Coccidiosis in hens 9 to 11 day-old chicks were infected with 40,000 sporulated oocysts of strongly virulent strains of ~iveria acervulina, E. maxima and E. tenella, the disease pathogens of intestinal coccidiosis.
From 3 days before infection until 8 days after infection (end of the experiment), active compound was administered mixed in the food of the animals in the concentration indicated.
The number of oocysts in the faeces was determined with the aid of the McMaster chamber (see Engelbrecht and co-workers 'IParasitologische Arbeitsmehoden in Medizin und Veterinarmedizin" (Parasitological Working Methods in Medicine and Veterinary Medicine), p. 172, Akademie-Verlag, Berlin (1965)).
Those doses are regarded as effective which prevent the excretion of oocysts and/or clinical symptoms of cocci-diosis including mortality completely or to a great extent. The effective doses are indicated in the follow-ing table:
Le A 27 916 - 43 -o ~
~ 0 x a ~ s 0 ~ -~ ~ o o ~
o ~
~a ~ O
u~ h ~
al a O h o a) ~ In o o S ~ o o ~t ~ .,~ O ~ O
,C ~ t.) h dP ~ ~
O ~ O
~1 IQ r~ U
I
O r~
.,~ ~ I ~
0 ~ O
h ~;
o a) ~
X o S ~1 o o o al ~ O
.rl O ~ O
h ~ dP ~ ~
g ~ O a~ O
O -~ LQ ~ O
G) h 51 0 tl~ N O O
a ~ ~
tQ
o ~ O
~: Q
., O
_, ,1 a) ~ a~ --~ ~i 0 ~ O
a~ ~ h 0 O X O ~ ~: O ~D
E~ ~ ~ æ
Le A 27 916 - 44 -i Preparation Examples I Example of process 2a) Example 1 2-[4-(4-Trifluoromethylthiophenyl)-3,5-dichlorophenoxy]-N-methyl-3,5-(2H,4H)-dioxo-1,2,4-triazine H
F3CS~\ c ' 0~ 2 ) CH3 I
,,~
:
Cl 3.1 g (7 mmol) of a~auracil are diRsolved in 20 ml of absolute DNSO and 0.16 g (6 mmol) of sodium hydride is added. The mixture i8 stirred at ~T for 20 min and l.S g (9 mmol) of methyl iodide in 5 ml of DMSO are then added under argon. The reduction mixture i~ warmed to 50C and kept at thi temperature for 3 h. It is subsequently concentrated in vacuo and water i8 then added. After filtering off the precipitated ~olid with suction, 2.3 g (72% of theory) of the N-methyl compound are obtained.
:, ~,~
Le A 27 916 - 45 -'"
:
II Example of process 2b) Example 2 2-~4~4'-Trifluoromethylthiophenyl~-3,5-dichlorophenoxy]-1,2,4-triazine-3,5(2H,4H)dione Cl O H
F3CS~=D HSCHzCOzH
C 1 COzH
Cl O H
F3CS } N~=O
14.8 g (0.03 mol) of carboxylic acid are heated ~o 170C
in 20 ml of mercaptoacetic acid. After 1.5 h, the mixture is allowed to cool, water is added and after filtering off 11.5 g ~85~ of theory) of decarboxylated product are obtained.
The following compounds are prepared analogously CN Cl O H
F~CX~--~NN~
H Cl Ex. 3 X = O m.p. 110C
Ex. 4 ~ = S m.p. 191C
Le A 27 916 - 46 -II Example of process 2c) Example 4a 10 q (23 mmol) of 2-[4-(4'-trifluoromethylthiophenyl)-3~5 dichloro-phenoxy]-1,~,4-triazine-3,5(2H, 4H)dione are stirred under reflux for 1.5 h with 10 g of zinc in 100 ml of glacial acetic acid.
The solid is then filtered off hot with suction and the residue is boiled twice with DMF. The filtrates are concentrated stirred with water and the precipitated solid is filtered off with suction. 7.8 g (78~ of theory) of the dihydro compound are thus obtained as a colourless i~ solid.
.
The following are prepared analogously H
~N
F3C~ N~
Cl Ex. No. X Y m.p.
4b O CHCN
4c S CHCN
4d S O
., Le A 27 916 - 47 -;~`
III Example of process 4 Example S
2-[4-(4'-Trifluoromethylthiophenyl)-3-chlorophenoxy]-3,5-(2H,4H)-dioxo-1,2,4-triazine-6-carboxylic acid o H
F3CS~ ~=0 HC 1 / HOAc Cl CN
o H
F3CS~3--1 S3N ~
8.5 g (0.02 mol) of cyanoazauracil are boiled in 50 ml of glacial acetic acid and 50 ml of conc. HCl for 4 hours. The mixture is subsequently cooled and diluted with water. The precipitated solid is filtered off with suction and dried. 6.6 g (74~) of the carboxylic acid are thus obtained.
The following compounds are prepared analogously Cl o H
F3C-X{~Y ~N--~
Le A 27 916 - 48 -Ex. 6 X = O Y - CHCN
Ex. 7 X = S Y = CHCN
IV Example of process 6 Example 8 2-[4-(4'-Trifluoromethylthiophenyl)-3-chlorophenoxy]-3,5-(2H,4H)-dioxo-6-cyano-1,2,4-triazine Cl CN H
/~\ ~ I ¦ NaOCOCH3 F3CS ~;=~H C ll_N_C02Et. HOCOCH3 O H
F3CS{~)~N~
Cl CN
lS g (0.029 mol) of the hydrazonocyanourethane and 3.3 g (0.44 mol) of sodium acetate are heated under reflux in 50 ml of glacial acetic acid for 2 h. The mixture i9 subsequently cooled and concentrated in vacuo. The residue is ctirred with water and the precipitate deposi-ted i~ filtered off with suction. lO.S g (83~ of theory) of cyanoazauracil are thus obtained after drying.
,~
lS The following compounds are prepared analogou~ly Le A 27 916 - 49 -Cl O H
F 3 CX~ C 1 NN--Ex. 9 X = 0 Y = CHCN
Ex.10 x = S Y = CHCN
.~
V Example of process 8 `~ Example 11 Ethyl N-[[[cyano(4-(4'-trifluoromethylthiophenyl)-3,5-dichlorophenoxy)-hydrazinylidene]-methyl]-carbonyl]-carbamate 3CS Cl - o 1 . HC l / NaN02 NH2 ~ NCH2C-C-N-CO2E~
>'=/ H 2. NaOCOCH~
Cl `:
F3CS~}N-N=C-C-N-C02Et.
Cl H O H
15.8 g (0.045 mol) of aniline are dissolved in 10 ml of conc. HCl and 100 ml of ethanol and a solution of 3.2 g (0.045 mol) of sodium nitrite in 30 ml of water is added dropwise at 0-5C. The mixture is ~ubsequently stirred until the solution i8 clear, then a mixture of 7.1 g (0.045 mol) of cyanoacetylurethane and 11 g (0.13 mol) of .
.
. .
Le A 27 916 - 50 -'`"
"
.::
, ~.
.... .
:,:
:
'~
sDdium acetate is added and the mixture is subsequently stirred at 10C for 3 h. The reaction mixture is concentrated in vacuo, stirred with water and the solid is filtered off with suction, 19 g (82%) of product are thus obtained as a finely crystalline yellow powder.
Example of process 8 Example 12 CN 1) HCl/NaNO2 F3Cs~3C{~NHz 2) NaOCOCH3/NCCH2CONNC02C2H5 CN CN
F3Cs ~ ~ 3 N-N=C-C-N-Co2Et.
H Cl H O H
8.9 g (0.026 mol) of aniline are di~solved in 5.6 ml of conc. HCl and a mixture of 50 ml of glacial acetic acid and 50 ml of propionic acid and 1.8 g (0.026 mol) of sodium nitrite are added dropwise at 0C in 5 ml of water. The mixture is subsequently stirred for 30 min and the diazonium salt solution thus prepared is added dropwise to a mixture, cooled to 0C, of 4 g (0.026 mol) of cyanoacetylurethane and 5.3 g (00065 mol) of sodium acetate in 40 ml of glacial acetic acid and 40 ml of propionic acid ans the mixture is subsequently stirred at 10C for 3 hours. The reaction mixture is concentrated in Le A 27 916 - Sl -vacuo, water is added and the solid is filtered off with suction. 3 g (76~) of the hydrazinyl compound are thus obtained as a yellow solid.
The following compounds are prepared analogously CN Cl CN
S F3CX~7-N=C-C-N-C02Et-H Cl H o H
Ex. 13 X = O
Ex. 14 X = S
Le A 27 916 - 52 -
Claims (17)
1. Compounds of the general formula (I) (I) in which A-D represents -N=CH- or , X represents O or S, SO or SO2, Y represents O, S, CO, or , R1 represents C1-4-halogenoalkyl, R2 represents hydrogen, halogen or C1-4-halogeno-alkyl, R3 represents hydrogen or C1-4-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halogeno-alkyl and C1-4-alkyl, and R5 and R6, independently of one another, represent hydrogen, C1-4-alkyl, halogenoalkyl, alkenyl, aralkyl or alkinyl.
2. Compounds of the general formula (I) (I) in which A-D represents -N=CH- of X represents O or S, Y represents O, S, CO, or , R1 represents Cl 4-halogenoalkyl, R2 represents hydrogen, halogen or C1-4-halogeno-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halo-genoalkyl and C1-4-alkyl, and R5 and R6 represent hydrogen.
3. Compounds of the general formula (I) (I) in which A-D represents -N=CH- or , X represents O or S, Y represents O, SO or , R1 represents C1-4-halogenoalkyl, R2 represents hydrogen or halogen, R4 represents one or rnore identical or different radicals from the series consisting of hydrogen, halogen, tri-fluoromethyl and C1-4-alkyl, and R5 and R6 represent hydrogen.
4. Compounds of the general formula (I) (I) in which A-D represents -N=CH- or , X represents O or S, Y represents O, S or , R1 represents trifluoromethyl, R2 represents hydrogen, R4 represents one or more identical or different radicals from the series consisting of hydrogen, fluorine, chlorine and bromine, and R5 and R6 represent hydrogen.
5. A process for the preparation of a compound of the formula (I) (I) in which A-D represents -N=CH- or , X represents O or S, SO or SO2, Y represents O, S, CO, or , R1 represents C1-4-halogenoalkyl, R2 represents hydrogen, halogen or C1-4-halogeno-alkyl, R3 represents hydrogen or C1-4-alkyl, R4 represents one or more identical or different radicals from the series consisting of hydrogen, halogen, halogeno-alkyl and C1-4-alkyl, and R5 and R6, independently of one another, represent hydrogen, C1-4-alkyl, halogenoalkyl, aralkyl or alkinyl, which process comprises:
a) to prepare a compound of formula (I) in which A-D
represents -N=CH- and R5 represents a radical other than hydrogen, reacting a compound of the formula (Ia) (Ia) in which Y, X, R1, R2, R3 and R4 have the meanings indicated in Claim 1, with a compound of the formula (II) R5 - B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halogenoalkyl, or b) to prepare a compound of formula (I) in which A-D represents -N=CH-, decarboxylating a compound of the formula (III) (III) in which Y, X, R1, R2, R3, R4 and R5 have the meanings indi-cated in Claim 1, by heating, c) to prepare a compound of formula (I) in which A-D represents , hydrogenating a compound of the formula (Ib) (Ib) in which X, Y, R1, R2, R4 and R5 have the meanings indicated in Claim 1, or d) to prepare a compound of formula (I) in which A-D
represents , reacting a compound of the formula in which Y, X, R1, R2, R3 and R4 have the abovementioned meanings, with a compound of the formula(II) R5 - B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halogenoalkyl, or e) to prepare a compound of formula (I) in which A-D
represents , reacting a compound of the formula in which Y, X, R1, R2, R4 and R5 have the abovementioned meanings, but R5 does not represent hydrogen, with a compound of the formula(VI) R6-B (VI) in which R6 and B have the abovementioned meanings.
a) to prepare a compound of formula (I) in which A-D
represents -N=CH- and R5 represents a radical other than hydrogen, reacting a compound of the formula (Ia) (Ia) in which Y, X, R1, R2, R3 and R4 have the meanings indicated in Claim 1, with a compound of the formula (II) R5 - B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halogenoalkyl, or b) to prepare a compound of formula (I) in which A-D represents -N=CH-, decarboxylating a compound of the formula (III) (III) in which Y, X, R1, R2, R3, R4 and R5 have the meanings indi-cated in Claim 1, by heating, c) to prepare a compound of formula (I) in which A-D represents , hydrogenating a compound of the formula (Ib) (Ib) in which X, Y, R1, R2, R4 and R5 have the meanings indicated in Claim 1, or d) to prepare a compound of formula (I) in which A-D
represents , reacting a compound of the formula in which Y, X, R1, R2, R3 and R4 have the abovementioned meanings, with a compound of the formula(II) R5 - B (II) in which R5 represents optionally substituted alkyl, alkenyl, alkinyl or aralkyl and B represents halogen, -O-SO2-alkyl, -O-SO2-aryl or -O-SO2-halogenoalkyl, or e) to prepare a compound of formula (I) in which A-D
represents , reacting a compound of the formula in which Y, X, R1, R2, R4 and R5 have the abovementioned meanings, but R5 does not represent hydrogen, with a compound of the formula(VI) R6-B (VI) in which R6 and B have the abovementioned meanings.
6. Compounds of the formula (III) (III) in which Y, X, R1, R2, R3, R4 and R5 have the meaning indicated in Claim 1.
7. A process for the preparation of a compound of the formula (III) according to Claim 6, characterised in that a compound of the formula (IV) (IV) in which Y, X, R1, R2, R3, R4 and R5 have the meanings indicated in Claim 6, R7 represents CN or the radical -CO-N(R5)-COOR8, and R8 represents alkyl or aryl, is heated in the presence of aqueous mineral acid.
8. Compounds of the formula (IV) (IV) in which Y, X, R1, R2, R3, R4, R5 and R7 have the meanings indicated in Claim 7.
9. A process for the preparation of a compound of the formula (IV) according to Claim 8, characterised in that a compound of the formula (V) (V) in which Y, X, R1, R2, R3, R4, R5, R7 and R8 have the meanings indicated in Claim 8, is heated in the presence of bases.
10. Compounds of the formula (V) (V) in which Y, X, R1, R2, R3, R4, R5, R7 and R8 have the meaning indicated in Claim 9 and R7 can additionally represent hydrogen.
11. A process for the preparation of a compound of the formula (V), according to Claim 10, characterised in that a compound of the formula (VI) (VI) in which Y, X, R1, R2, R3 and R4 have the meanings indicated in Claim 10, is diazotised and subsequently reacted with a compound of the formula (VII) (VII) in which R3, R7 and R8 have the meanings indicated in Claim 10.
12. Agent against parasitic protozoa, characterised in that it contains a 1,2,4-triazinedione of the formula (I) according to Claim 1, 2, 3 or 4, together with a suitable diluent or carrier.
13. Use of a 1,2,4-triazinedione of the formula (I) according to claim 1, 2, 3 or 4 for the control of parasitic protozoa.
14. A method for the control of parasitic protozoa, characterised in that a 1,2,4-triazinedione of the formula (I) according to Claim 1, 2, 3 or 4 is allowed to act on the protozoa or their environment.
15. A process for the production of an agent against parasitic protozoa, characterised in that a 1,2,4-triazinedione of the formula (I) according to Claim 1, 2, 3 or 4 is mixed with an extender or a surface-active agent.
16. Use of a 1,2,4-triazinedione of the formula (I) accord-ing to Claim 1, 2, 3 or 4 for the production of agents against parasitic protozoa.
17. A commercial package containing as active ingredient a 1,2,4-triazinedione of formula (I) according to Claim 1, 2, 3 or 4, together with instructions for its use for combating or controlling parasitic protozoa.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4029534.6 | 1990-09-18 | ||
DE4029534A DE4029534A1 (en) | 1990-09-18 | 1990-09-18 | New 2-aryl-1,2,4-triazine-3,5-di:one derivs. - useful for control of parasitic protozoa, esp. coccidia, and fish parasites |
DE4120138A DE4120138A1 (en) | 1991-06-19 | 1991-06-19 | SUBSTITUTED HEXAHYDRO-1,2,4-TRIAZINDIONES, METHOD FOR THE PRODUCTION THEREOF, INTERMEDIATE PRODUCTS THEREOF AND THEIR USE |
DEP4120138.8 | 1991-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2051323A1 true CA2051323A1 (en) | 1992-03-19 |
Family
ID=25896977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002051323A Abandoned CA2051323A1 (en) | 1990-09-18 | 1991-09-13 | Substituted 1,2,4-triazinediones, processes for their preparation, intermediates therefor and their use |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0476439A1 (en) |
KR (1) | KR920006334A (en) |
AU (1) | AU639825B2 (en) |
BR (1) | BR9103985A (en) |
CA (1) | CA2051323A1 (en) |
EG (1) | EG19767A (en) |
MX (1) | MX9100991A (en) |
NZ (1) | NZ239788A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5994355A (en) * | 1993-10-15 | 1999-11-30 | Takeda Chemical Industries, Ltd. | 1, 2, 4-Triazin-3-one derivatives, production and use thereof |
TW403741B (en) * | 1993-10-15 | 2000-09-01 | Takeda Chemical Industries Ltd | Triazine derivative, production and use thereof |
DE69615601T2 (en) * | 1995-04-14 | 2002-07-11 | Takeda Schering Plough Animal | Process for the preparation of triazine derivatives |
TR200000153T2 (en) * | 1997-07-10 | 2000-07-21 | Janssen Pharmaceutica N.V. | 6-azauracil derivatives that inhibit il-5. |
US6867207B2 (en) | 1997-07-10 | 2005-03-15 | Janssen Pharmaceutica N.V. | IL-5 inhibiting 6-azauracil derivatives |
CN1261881A (en) | 1997-07-10 | 2000-08-02 | 詹森药业有限公司 | 6-azauracil derivatives as IL-5 inhibitors |
AU8885498A (en) * | 1997-08-29 | 1999-03-22 | Takeda Chemical Industries Ltd. | Triazine derivatives, their production and use |
PL198205B1 (en) | 1998-12-18 | 2008-06-30 | Janssen Pharmaceutica Nv | Il-5 inhibiting 6-azauracil derivatives |
CN101265238B (en) * | 2007-12-12 | 2010-06-16 | 重庆天极旅业有限公司 | Method for synthesizing triazine ring derivatives |
CN101265216B (en) * | 2007-12-18 | 2012-06-27 | 重庆华邦胜凯制药有限公司 | 4-(substituted cyano)-phenylhydrazone derivatives and synthesis method thereof |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2149645A1 (en) * | 1970-10-07 | 1972-09-14 | Pfizer | 2-Phenyl-as-triazine-3.5- (2H, 4H) -diones and the use of these compounds for combating coccidiosis |
US3912723A (en) * | 1971-03-29 | 1975-10-14 | Pfizer | 2-Phenyl-as-triazine-3,5(2H,4H)diones |
GB1448696A (en) * | 1973-05-29 | 1976-09-08 | Pfizer | 2-phqnyl-astriazine-3,4-2h,4h-diones |
US3883528A (en) * | 1974-04-19 | 1975-05-13 | Pfizer | Preparation of 2(aryl)-as-triazine-3,5(2H,4H)-dione coccidiostats |
DE2722537A1 (en) * | 1977-05-18 | 1978-11-23 | Hoechst Ag | SUBSTITUTED 2-PHENYL-1,2,4-TRIAZINE-3,5- (2H, 4H) -DIONE, METHOD FOR THE PRODUCTION THEREOF AND THEIR CONTAINING COCCIDIOSTATIC AGENTS |
DE3408924A1 (en) * | 1984-03-12 | 1985-09-26 | Hoechst Ag, 6230 Frankfurt | SUBSTITUTED 2-PHENYL-HEXAHYDRO-1,2,4-TRIAZINE-3,5-DIONE, METHOD FOR THE PRODUCTION THEREOF, MEANS CONTAINING IT AND THEIR USE |
CA1244024A (en) * | 1984-08-01 | 1988-11-01 | Gustaaf M. Boeckx | .alpha.- ARYL-4-(4,5-DIHYDRO-3,5-DIOXO-1,2,4-TRIAZIN- 2(3H)-YL)BENZENEACETONITRILES |
DE3531919A1 (en) * | 1985-09-07 | 1987-03-19 | Hoechst Ag | SUBSTITUTED 2-PHENYL-HEXAHYDRO-1,2,4-TRIAZINE-3,5-DIONE, METHOD FOR THE PRODUCTION THEREOF, MEANS CONTAINING IT AND THEIR USE |
GB8602342D0 (en) * | 1986-01-30 | 1986-03-05 | Janssen Pharmaceutica Nv | 5 6-dihydro-2-(substituted phenyl)-1 2 4-triazine-3 5(2h 4h)-diones |
DE3904593A1 (en) * | 1989-02-16 | 1990-08-23 | Hoechst Ag | Compositions against parasites of fish and insects |
CN1044905A (en) * | 1989-02-16 | 1990-08-29 | 赫彻斯特股份公司 | Fish and entomophagous parasite worm antagonist |
-
1991
- 1991-09-05 EP EP91114977A patent/EP0476439A1/en not_active Withdrawn
- 1991-09-09 MX MX919100991A patent/MX9100991A/en unknown
- 1991-09-13 AU AU83886/91A patent/AU639825B2/en not_active Ceased
- 1991-09-13 NZ NZ239788A patent/NZ239788A/en unknown
- 1991-09-13 CA CA002051323A patent/CA2051323A1/en not_active Abandoned
- 1991-09-15 EG EG55291A patent/EG19767A/en active
- 1991-09-16 KR KR1019910016121A patent/KR920006334A/en not_active Application Discontinuation
- 1991-09-17 BR BR919103985A patent/BR9103985A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
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EP0476439A1 (en) | 1992-03-25 |
MX9100991A (en) | 1992-05-04 |
NZ239788A (en) | 1993-10-26 |
EG19767A (en) | 1996-01-31 |
AU8388691A (en) | 1992-03-26 |
KR920006334A (en) | 1992-04-27 |
AU639825B2 (en) | 1993-08-05 |
BR9103985A (en) | 1992-05-26 |
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