CH499537A - Verfahren zur Herstellung von 5-Nitro-2-substituierten Benzimidazolen - Google Patents
Verfahren zur Herstellung von 5-Nitro-2-substituierten BenzimidazolenInfo
- Publication number
- CH499537A CH499537A CH573668A CH573668A CH499537A CH 499537 A CH499537 A CH 499537A CH 573668 A CH573668 A CH 573668A CH 573668 A CH573668 A CH 573668A CH 499537 A CH499537 A CH 499537A
- Authority
- CH
- Switzerland
- Prior art keywords
- benzimidazole
- thiazolyl
- nitro
- amino
- methyl
- Prior art date
Links
- 230000000507 anthelmentic effect Effects 0.000 title abstract 2
- 229940124339 anthelmintic agent Drugs 0.000 title abstract 2
- 239000000921 anthelmintic agent Substances 0.000 title abstract 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 40
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 6
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- 125000001072 heteroaryl group Chemical group 0.000 claims abstract description 6
- 125000005842 heteroatom Chemical group 0.000 claims abstract description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 18
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 229910017604 nitric acid Inorganic materials 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000011541 reaction mixture Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 7
- 239000000908 ammonium hydroxide Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000001953 recrystallisation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 150000001556 benzimidazoles Chemical class 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000000335 thiazolyl group Chemical group 0.000 claims description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 2
- 208000006968 Helminthiasis Diseases 0.000 abstract description 3
- 241001465754 Metazoa Species 0.000 abstract description 3
- 208000014837 parasitic helminthiasis infectious disease Diseases 0.000 abstract description 3
- 230000000802 nitrating effect Effects 0.000 abstract 1
- 125000001424 substituent group Chemical group 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 19
- -1 5-nitro-2-substituted benzimidazoles Chemical class 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 238000006396 nitration reaction Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 229960000583 acetic acid Drugs 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000012362 glacial acetic acid Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 239000007868 Raney catalyst Substances 0.000 description 3
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 3
- 229910000564 Raney nickel Inorganic materials 0.000 description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- OXZNHAWFKZPVOP-UHFFFAOYSA-N 1h-benzimidazole;sulfuric acid Chemical compound OS([O-])(=O)=O.C1=CC=C2[NH2+]C=NC2=C1 OXZNHAWFKZPVOP-UHFFFAOYSA-N 0.000 description 2
- XPAZGLFMMUODDK-UHFFFAOYSA-N 6-nitro-1h-benzimidazole Chemical class [O-][N+](=O)C1=CC=C2N=CNC2=C1 XPAZGLFMMUODDK-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 125000001113 thiadiazolyl group Chemical group 0.000 description 2
- RKMFFOLUBJFMBQ-UHFFFAOYSA-N (4-amino-2-azaniumylphenyl)azanium;dichloride Chemical compound Cl.Cl.NC1=CC=C(N)C(N)=C1 RKMFFOLUBJFMBQ-UHFFFAOYSA-N 0.000 description 1
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- MQTBODNTRQAUSK-UHFFFAOYSA-N 2-benzyl-3h-benzimidazol-5-amine Chemical compound N1C2=CC(N)=CC=C2N=C1CC1=CC=CC=C1 MQTBODNTRQAUSK-UHFFFAOYSA-N 0.000 description 1
- NEWWXWMKZVSLFT-UHFFFAOYSA-N 2-phenyl-3h-benzimidazol-5-amine Chemical compound N=1C2=CC(N)=CC=C2NC=1C1=CC=CC=C1 NEWWXWMKZVSLFT-UHFFFAOYSA-N 0.000 description 1
- NKAPXWIFLZNFAE-UHFFFAOYSA-N 2-piperidin-1-yl-3h-benzimidazol-5-amine Chemical compound N1C2=CC(N)=CC=C2N=C1N1CCCCC1 NKAPXWIFLZNFAE-UHFFFAOYSA-N 0.000 description 1
- RAUWPNXIALNKQM-UHFFFAOYSA-N 4-nitro-1,2-phenylenediamine Chemical compound NC1=CC=C([N+]([O-])=O)C=C1N RAUWPNXIALNKQM-UHFFFAOYSA-N 0.000 description 1
- DLJZIPVEVJOKHB-UHFFFAOYSA-N 5-nitro-1,3-dihydrobenzimidazol-2-one Chemical compound [O-][N+](=O)C1=CC=C2NC(=O)NC2=C1 DLJZIPVEVJOKHB-UHFFFAOYSA-N 0.000 description 1
- KLSJWNVTNUYHDU-UHFFFAOYSA-N Amitrole Chemical compound NC1=NC=NN1 KLSJWNVTNUYHDU-UHFFFAOYSA-N 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- KPOQRNMCTLCVRZ-UHFFFAOYSA-N ClC1=CC=CC=2N=C(NC21)[N+](=O)[O-] Chemical compound ClC1=CC=CC=2N=C(NC21)[N+](=O)[O-] KPOQRNMCTLCVRZ-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- RUOKPLVTMFHRJE-UHFFFAOYSA-N benzene-1,2,3-triamine Chemical compound NC1=CC=CC(N)=C1N RUOKPLVTMFHRJE-UHFFFAOYSA-N 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- CIPMQPTWGWCBLF-UHFFFAOYSA-N chembl382387 Chemical compound C=1C(CC(=O)O)=CC(C=2NC3=CC=CC=C3N=2)=C(O)C=1C1=CC=CC([N+]([O-])=O)=C1 CIPMQPTWGWCBLF-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- XNFVGEUMTFIVHQ-UHFFFAOYSA-N disodium;sulfide;hydrate Chemical compound O.[Na+].[Na+].[S-2] XNFVGEUMTFIVHQ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 229960003424 phenylacetic acid Drugs 0.000 description 1
- 239000003279 phenylacetic acid Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-OUBTZVSYSA-N sodium-24 Chemical compound [24Na] KEAYESYHFKHZAL-OUBTZVSYSA-N 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/74—Quinazolines; Hydrogenated quinazolines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/415—1,2-Diazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63157267A | 1967-04-18 | 1967-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH499537A true CH499537A (de) | 1970-11-30 |
Family
ID=24531794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH573668A CH499537A (de) | 1967-04-18 | 1968-04-18 | Verfahren zur Herstellung von 5-Nitro-2-substituierten Benzimidazolen |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT280278B (en:Method) |
| BE (1) | BE713780A (en:Method) |
| CH (1) | CH499537A (en:Method) |
| ES (1) | ES352752A1 (en:Method) |
| FR (1) | FR1560853A (en:Method) |
| GB (1) | GB1189792A (en:Method) |
| IL (1) | IL29780A0 (en:Method) |
| NL (1) | NL6804757A (en:Method) |
-
1968
- 1968-04-04 NL NL6804757A patent/NL6804757A/xx unknown
- 1968-04-08 IL IL29780A patent/IL29780A0/xx unknown
- 1968-04-15 ES ES352752A patent/ES352752A1/es not_active Expired
- 1968-04-16 GB GB07888/68A patent/GB1189792A/en not_active Expired
- 1968-04-17 BE BE713780D patent/BE713780A/xx unknown
- 1968-04-17 AT AT374568A patent/AT280278B/de active
- 1968-04-17 FR FR1560853D patent/FR1560853A/fr not_active Expired
- 1968-04-18 CH CH573668A patent/CH499537A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES352752A1 (es) | 1970-01-01 |
| GB1189792A (en) | 1970-04-29 |
| AT280278B (de) | 1970-04-10 |
| IL29780A0 (en) | 1968-06-20 |
| BE713780A (en:Method) | 1968-10-17 |
| NL6804757A (en:Method) | 1968-10-21 |
| FR1560853A (en:Method) | 1969-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |