Classifications

• • 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
  • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
  • A01N37/52—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing groups, e.g. carboxylic acid amidines
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C257/00—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines
  • C07C257/10—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines
• • 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
  • A01N47/08—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 one or more single bonds to nitrogen atoms
  • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
• • 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
  • A01N47/08—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 one or more single bonds to nitrogen atoms
  • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
  • A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
• • 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
  • A01N49/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds containing the group, wherein m+n>=1, both X together may also mean —Y— or a direct carbon-to-carbon bond, and the carbon atoms marked with an asterisk are not part of any ring system other than that which may be formed by the atoms X, the carbon atoms in square brackets being part of any acyclic or cyclic structure, or the group, wherein A means a carbon atom or Y, n>=0, and not more than one of these carbon atoms being a member of the same ring system, e.g. juvenile insect hormones or mimics thereof
• • 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
  • A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C257/00—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines
  • C07C257/10—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines
  • C07C257/12—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines having carbon atoms of amidino groups bound to hydrogen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C257/00—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines
  • C07C257/10—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines
  • C07C257/14—Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines having carbon atoms of amidino groups bound to acyclic carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
  • C07C275/70—Compounds containing any of the groups, e.g. isoureas
• • 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
  • C07C323/23—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 nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
  • C07C323/31—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 nitrogen atoms, not being part of nitro or nitroso 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
  • C07C323/33—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 nitrogen atoms, not being part of nitro or nitroso 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 having at least one of the nitrogen atoms bound to a carbon atom of the same non-condensed six-membered aromatic ring
  • C07C323/35—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 nitrogen atoms, not being part of nitro or nitroso 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 having at least one of the nitrogen atoms bound to a carbon atom of the same non-condensed six-membered aromatic ring the thio group being a sulfide group
  • C07C323/36—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 nitrogen atoms, not being part of nitro or nitroso 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 having at least one of the nitrogen atoms bound to a carbon atom of the same non-condensed six-membered aromatic ring the thio group being a sulfide group the sulfur atom of the sulfide group being further bound to an acyclic carbon atom
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
  • C07C335/04—Derivatives of thiourea
  • C07C335/16—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
  • C07C335/04—Derivatives of thiourea
  • C07C335/16—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
  • C07C335/18—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by singly-bound oxygen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
  • C07C335/30—Isothioureas
  • C07C335/36—Isothioureas having sulfur atoms of isothiourea groups bound to carbon atoms of six-membered aromatic rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
  • C07F7/02—Silicon compounds
  • C07F7/08—Compounds having one or more C—Si linkages
  • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C07F7/1804—Compounds having Si-O-C linkages
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C2601/00—Systems containing only non-condensed rings
  • C07C2601/02—Systems containing only non-condensed rings with a three-membered ring

Definitions

• This invention relates to certain amidines, their agriculturally suitable salts and compositions, and methods of their use as fungicides.
• WO 00/46184 discloses certain phenylamidines of formula i as fungicides
• R 1 through R 5 are as defined therein;
• R 6 is optionally substituted carbocyclyl or heterocyclyl.
• amidinylphenyl compounds are also disclosed in U.S. Patent No. 3,284,289, U.S. Patent No. 3,993,469, U.S. Patent No. 4,018,814, U.S. Patent No. 4,154,755, U.S. Patent No. 4,208,411, U.S. Patent No. 4,209,319 and U.S. Patent No. 5,219,868.
• This invention is directed to compounds of Formula I (including all geometric, tautomeric and stereoisomers) and agriculturally suitable salts thereof, agricultural compositions containing them and their use as fungicides:
• R 1 is H, OH, SH, SO 3 H, CN, -OR 7 or -SR 7 ; C C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 5 alkoxycarbonyl, C 2 -C 10 alkynyl, a C 3 -Cg carbocycle or a 3-, 4-, 5- or 6- membered heterocycle, each optionally substituted; provided that when R 1 is a heterocycle containing nitrogen as a ring member, it is not attached to the remainder of Formula I through said nitrogen ring member; R 2 is H, CN, -OR 7 , or -SR 7 ; C r C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, C 3 -C 6 carbocycle, a 3-, 4-, 5- or 6-membered heterocycle or C 2 -C 10 alkylcarbonyl, each optionally substituted; R 3 is H; Ci-C ⁇ alkyl, C 2
• R 6 is C 5 -C 21 alkyl, C 5 -C 2 ⁇ alkenyl, C 5 -C ⁇ alkynyl, C 4 -C 9 alkoxycarbonyl, C 4 -C 6 alkylaminocarbonyl, C 3 -CI Q dialkylaminocarbonyl or C 3 -Cj 2 trialkylsilyl, each optionally substituted; or R 6 is C j -C 4 alkyl or C 2 -C 9 alkylcarbonyl, each substituted with one or more R 12 ;
• A is a direct bond, O, S(O) n or NR 10 ;
• each R 7 is independently C Cg alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, a C 3 -C 6 carbocycle or a 3-, 4-, 5- or 6-membered heterocycle, each optionally substituted; each R 9 is independently halogen, CN, NO 2 , Cj-C
• each R 12 is independently CO 2 H, CONH 2 , NO 2 , C r C 6 haloalkoxy, C 2 -C 6 alkylthio, C r C 6 alkylsulfinyl, C r C 6 alkylsulfonyl, C C 6 haloalkylthio, C r C 6 haloalkylsulfinyl, -C6 haloalkylsulfon
• alkyl used either alone or in compound words such as “alkylthio” or “haloalkyl” includes straight-chain or branched alkyl, such as, methyl, ethyl, H-propyl, /-propyl, or the different butyl, pentyl or hexyl isomers.
• Alkenyl includes straight-chain or branched alkenes such as ethenyl, 1-propenyl, 2-propenyl, and the different butenyl, pentenyl and hexenyl isomers.
• Alkenyl also includes polyenes such as 1,2-propadienyl and 2,4-hexadienyl.
• Alkynyl includes straight-chain or branched alkynes such as ethynyl, 1-propynyl, 2-propynyl and the different butynyl, pentynyl and hexynyl isomers.
• Alkynyl can also include moieties comprised of multiple triple bonds such as 2,5-hexadiynyl.
• Alkoxy includes, for example, methoxy, ethoxy, «-propyloxy, isopropyloxy and the different butoxy, pentoxy and hexyloxy isomers.
• Alkoxyalkyl denotes alkoxy substitution on alkyl.
• alkoxyalkyl examples include CH 3 OCH2, CH 3 OCH 2 CH 2 , CH 3 CH 2 OCH 2 , CH 3 CH 2 CH 2 CH2OCH2 and CH 3 CH 2 OCH 2 CH2.
• Alkoxyalkoxy denotes alkoxy substitution on alkoxy.
• Alkylthio includes branched or straight-chain alkylthio moieties such as methylthio, ethylthio, and the different propylthio, butylthio, pentylthio and hexylthio isomers.
• Alkylthioalkyl denotes alkylthio substitution on alkyl.
• alkylthioalkyl include CH 3 SCH 2 , CH 3 SCH 2 CH 2 , CH 3 CH 2 SCH 2 , CH 3 CH 2 CH 2 CH 2 SCH 2 and CH 3 CH 2 SCH 2 CH 2 .
• Alkylthioalkoxy denotes alkylthio substitution on alkoxy.
• Alkylsulfinyl includes both enantiomers of an alkylsulfinyl group.
• alkylsulfinyl examples include CH 3 S(O), CH 3 CH 2 S(O), CH 3 CH 2 CH 2 S(O), (CH 3 ) 2 CHS(O) and the different butylsulfinyl, pentylsulfinyl and hexylsulfinyl isomers.
• alkylsulfonyl examples include CH 3 S(O) 2 , CH 3 CH 2 S(O) 2 , CH 3 CH 2 CH 2 S(O) 2 ,
• Carbocycle includes “aromatic carbocyclic ring system”, which denotes fully aromatic carbocycles and carbocycles in which at least one ring of a polycyclic ring system is aromatic (where aromatic indicates that the Huckel rule is satisfied), and “nonaromatic carbocyclic ring system”, which denotes fully saturated carbocycles as well as partially or fully unsaturated carbocycles where the Huckel rule is not satisfied by any of the rings in the ring system.
• Cycloalkyl includes, for example, cyclopropyl, cyclobutyl, cyclopentyl, and cyclohexyl.
• hetero in connection with rings refers to a ring in which at least one ring atom is not carbon and which can contain 1 to 4 heteroatoms independently selected from the group consisting of nitrogen, oxygen and sulfur, provided that each ring contains no more than 4 nitrogens, no more than 2 oxygens and no more than 2 sulfurs.
• Heterocycle includes “aromatic heterocyclic ring system”, which denotes fully aromatic heterocycles and heterocycles in which at least one ring of a polycyclic ring system is aromatic (where aromatic indicates that the Huckel rule is satisfied), and “nonaromatic heterocyclic ring system”, which denotes fully saturated heterocycles as well as partially or fully unsaturated heterocycles where the Huckel rule is not satisfied by any of the rings in the ring system.
• the heterocyclic ring systems can be attached through any available carbon or nitrogen by replacement of a hydrogen on said carbon or nitrogen.
• halogen either alone or in compound words such as “haloalkyl”, includes fluorine, chlorine, bromine or iodine. Further, when used in compound words such as
• haloalkyl said alkyl may be partially or fully substituted with halogen atoms which may be the same or different.
• haloalkyl include F 3 C, C1CH 2 , CF 3 CH and CF 3 CC1 2 .
• haloalkenyl “haloalkynyl”, “haloalkoxy”, “haloalkylthio”, and the like, are defined analogously to the term “haloalkyl”.
• haloalkynyl examples include HC ⁇ CCHCl, CF 3 C ⁇ C, CC1 3 C ⁇ C and FCH 2 C ⁇ CCH 2 .
• haloalkoxy examples include CF 3 O, CCl 3 CH 2 O, HCF 2 CH 2 CH 2 O and CF 3 CH 2 O.
• haloalkylthio examples include CC1 3 S, CF 3 S, CC1 3 CH 2 S and C1CH 2 CH 2 CH 2 S.
• haloalkylsulfinyl examples include CF 3 S(O), CCl 3 S(O), CF 3 CH 2 S(O) and CF 3 CF 2 S(O).
• haloalkylsulfonyl examples include CF 3 S(O) 2 , CCl 3 S(O) 2 , CF 3 CH 2 S(O) 2 and CF 3 CF 2 S(O) 2 .
• Trialkylsilyl includes 3 branched and/or straight-chain alkyl radicals attached to and linked through a silicon atom such as rrimethylsilyl, triethylsilyl and t-butyl-dimethylsilyl.
• Hydrochalotrialkylsilyl denotes at least one of the three alkyl radicals is partially or fully substituted with halogen atoms which may be the same or different.
• Alkoxytrialkylsilyl denotes at least one of the three alkyl radicals is substituted with one or more alkoxy radicals which may be the same or different.
• Trialkylsilyloxy denotes a trialkylsilyl moiety attached through oxygen.
• alkylcarbonyl examples include C(O)CH 3 , C(O)CH 2 CH 2 CH 3 and C(O)CH(CH 3 ) 2 .
• Cj-C j The total number of carbon atoms in a substituent group is indicated by the "Cj-C j " prefix where i and j are numbers from 1 to 21.
• C!-C 3 alkylsulfonyl designates methylsulfonyl through propylsulfonyl
• C2 alkoxyalkyl designates CH 3 OCH 2
• C 3 alkoxyalkyl designates, for example, CH 3 CH(OCH 3 ), CH 3 OCH 2 CH 2 or CH 3 CH 2 OCH 2
• C4 alkoxyalkyl designates the various isomers of an alkyl group subst tuted with an alkoxy group containing a total of four carbon atoms, examples including CH 3 CH 2 CH 2 OCH 2 and CH 3 CH 2 OCH 2 CH 2 .
• all substituents are attached to these rings through any available carbon or nitrogen by replacement of a hydrogen on said
• substituents When a compound is substituted with a substituent bearing a subscript that indicates the number of said substituents can exceed 1, said substituents (when they exceed 1) are independently selected from the group of defined substituents. Further, when the subscript indicates a range, e.g. (R) j _ j , then the number of substituents may be selected from the integers between i and j inclusive.
• Stereoisomers of this invention can exist as one or more stereoisomers.
• the various stereoisomers include enantiomers, diastereomers, atropisomers and geometric isomers.
• one stereoisomer may be more active and/or may exhibit beneficial effects when enriched relative to the other stereoisomer(s) or when separated from the other stereoisomer(s).
• the skilled artisan knows how to separate, enrich, and/or to selectively prepare said stereoisomers.
• the present invention comprises compounds selected from Formula I, N-oxides and agriculturally suitable salts thereof.
• the compounds of the invention may be present as a mixture of stereoisomers, individual stereoisomers, or as an optically active form.
• nitrogen-containing heterocycles can form N-oxides since the nitrogen requires an available lone pair for oxidation to the oxide; one skilled in the art will recognize those nitrogen-containing heterocycles which can form JV-oxides.
• tertiary amines can form N-oxides.
• the salts of the compounds of the invention include acid-addition salts with inorganic or organic acids such as hydrobromic, hydrochloric, nitric, phosphoric, sulfuric, acetic, butyric, fumaric, lactic, maleic, malonic, oxalic, propionic, salicylic, tartaric,
• the salts of the compounds of the invention also include those formed with organic bases (e.g., pyridine, ammonia, or triethylamine) or inorganic bases (e.g., hydrides, hydroxides, or carbonates of sodium, potassium, lithium, calcium, magnesium or barium) when the compound contains an acidic group such as a carboxylic acid or phenol.
• organic bases e.g., pyridine, ammonia, or triethylamine
• inorganic bases e.g., hydrides, hydroxides, or carbonates of sodium, potassium, lithium, calcium, magnesium or barium
• Rl is H, OH, SH, SO 3 H, CN, -OR 7 or -SR 7 ; C r C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, a C 3 -Cg carbocycle or a 3-, 4-, 5- or 6-membered heterocycle, each optionally substituted; provided that when R 1 is a heterocycle containing nitrogen as a ring member, it is not attached to the remainder of Formula I through said nitrogen ring member; R 4 and each R 5 are each independently C r C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 6 cycloalkyl, C C 6 haloalkyl, C 2 -C 6 haloalkenyl, C 2 -C 6 haloalkynyl, C 3 -C 6 halocycloalkyl, halogen, CO 2 H, CONH 2 , SF 5
• Rl is H, SH, SO 3 H, CN, -OR 7 or -SR 7 ; C r C 10 alkyl, C 2 -C 10 alkenyl or C 2 -C ⁇ o alkynyl, each optionally substituted with one or more R 8 ; or a
• R 2 and R 3 are taken together with their interconnecting nitrogen to form a heterocyclic ring containing 3 to 6 atoms, said ring consisting of said interconnecting nitrogen atom, carbon and optionally one or two additional atoms selected from the group consisting of nitrogen, sulfur and oxygen, and said ring being optionally substituted with one or more
• R 6 is C 5 -C 2 ⁇ alkyl, C 5 -C 2 ⁇ alkenyl, C 5 -C 2 ⁇ alkynyl, C 4 -C9 alkoxycarbonyl, C 4 -C 6 alkylaminocarbonyl, C 3 -C 10 dialkylaminocarbonyl or C 3 -C 12 trialkylsilyl, each optionally substituted with one or more R 11 ; or R 6 is -C 4 alkyl or C 2 -C 9 alkylcarbonyl, each substituted with one or more Rl 2 ; each R 7 is independently C j -Cg alkyl, C 2 -Cg alkenyl, C 2 -C 6 alkynyl, each optionally substituted with one or more R 8 ; or a C 3 -C 6 carbocycle or a
• each R 8 is independently halogen, CN, NO 2 , C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy or C 1 -C 4 alkylthio; and each R 11 is independently halogen, CO 2 H, CONH 2 , NO 2 , hydroxy, C r C 6 alkoxy, Cj-Cg haloalkoxy, C 2 -Cg alkylthio, C Cg alkylsulfinyl, C Cg alkylsulfonyl, C Cg haloalkylthio, C j -Cg haloalkylsulfinyl, C Cg haloalkylsulfonyl, Ci-Cg alkylamino, C 2 -Cg dialkylamino, C 2 -Cg alkylcarbonyl, C 2 -Cg alkoxycarbon
• R 2 is H, CN, -OR 7 or -SR 7 ; C r C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl or C 2 -C 10 alkylcarbonyl, each optionally substituted with one or more R 8 ; or a C 3 -Cg carbocycle or a 3-, 4-, 5- or 6-membered heterocycle, each optionally substituted with one or more R 9 ; R 3 is H; Cj- o alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl or C 2 -C ⁇ o alkylcarbonyl, each optionally substituted with one or more R 8 ; or a C 3 -Cg carbocycle or a 3-, 4-, 5- or 6-membered heterocycle, each optionally substituted with one or more R 9 ; R 4 and each R 5 are each independently C Cg alkyl, C 2 -Cg
• R 2 is H, CN, -OR 7 or -SR 7 ; C r C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, each optionally substituted with one or more R 8 ; or phenyl optionally substituted with 1 to 3 R 9 ; R 3 is H; Cj-Cio lkyl, C2-C1 0 alkenyl or C2-C10 alkynyl, each optionally substituted with one or more R 8 ; or phenyl optionally substituted with
• R 4 and R 5 are each independently C Cg alkyl, C 2 -C6 alkenyl, C 2 -C6 alkynyl, C r C 6 haloalkyl, halogen, CO 2 H, CONH 2 , C r C 4 alkoxy, C r C 4 haloalkoxy, C1-C4 alkylthio, alkylsulfinyl, C1-C4 alkylsulfonyl, C C4 haloalkylthio, C r C 4 haloalkylsulfinyl, C r C haloalkylsulffinyl, C r C haloalkylsulf
• R 6 is C5-C15 alkyl, C5-C15 alkenyl or C5-C15 alkynyl, each optionally substituted with one or more R 1 ; or R 6 is 0 ⁇ 4 alkyl substituted with one or more R 12 ; each R 7 is independently C Cg alkyl, optionally substituted with one or more
• R 8 is a direct bond, O or S(O) n ; and m is 0, 1 or 2.
• Preferred 2a Compound of Preferred 2 wherein R 1 is H, SH or C Cm alkyl.
• R 1 and R 2 are each independently H, CN, -OR 7 or -SR 7 ; C r C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C ⁇ o alkynyl, each optionally substituted with one or more R 8 ; or phenyl optionally substituted with 1 to 3 R 9 ;
• R 3 is H; C j -C ⁇ alkyl, C 2 -C 10 alkenyl or C 2 -C 10 alkynyl, each optionally substituted with one or more R 8 ; or phenyl optionally substituted with 1 to 3 R 9 ;
• R 4 and R 5 are each independently C C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C r C 6 haloalkyl, halogen, CO 2 H, CONH 2 , C r C 4 alkoxy, C r C 4 haloalkoxy, C r C 4 alkylthio
• A is attached to the remainder of Formula I at the 4 position of the benzene ring.
• Preferred 3 a Compounds of Preferred 3 wherein R 1 is H, SH or CJ-CIQ alkyl.
• R 1 and R 2 are each independently H, CN, -OR 7 or -SR 7 ; C CjQ alkyl, C 2 -C ⁇ 0 alkenyl, C 2 -C ⁇ o alkynyl, each optionally substituted with one or more R 8 ; or phenyl optionally substituted with 1 to 3 R 9 ;
• R 3 is H; C ⁇ C ⁇ alkyl, C 2 -C 10 alkenyl or C 2 -C 10 alkynyl, each optionally substituted with one or more R 8 ; or phenyl optionally substituted with 1 to 3 R 9 ;
• R 4 and R 5 are each independently C Cg alkyl, C -C6 alkenyl, C 2 -Cg alkynyl, C ⁇ Cg haloalkyl, halogen, CO 2 H, CONH 2 , C r C 4 alkoxy, C r C 4 haloalkoxy, C r C 4 alkylthio, C1-
• R 1 is H, SH or C r C 10 alkyl
• R 2 and R 3 are each independently H or CJ-CIQ alkyl
• R 2 and R 3 are taken together with their interconnecting nitrogen to form a heterocyclic ring containing 3 to 6 atoms, said ring consisting of said interconnecting nitrogen atom, carbon and optionally one additional atom selected from the group consisting of nitrogen, sulfur and oxygen, and said ring being optionally substituted with one or more R 9 ;
• R 4 and R 5 are each independently halogen, CN, CHO, C r C 6 alkyl, C C 4 alkoxy, C1-C 4 haloalkoxy, 0 ⁇ 4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 haloalkylthio, C1-C4 haloalkylsulfinyl or C1-C6 haloalkyl;
• One R 5 is attached to the remainder of Formula I at the 5 position of the benzene ring and an optional second R 5 is attached at the 6 position of the benzene ring; and m is 1 or 2.
• Preferred 4a Compounds of Preferred 4 wherein
• R 1 , R 2 and R 3 are each independently H or C Cjo alkyl;
• R 4 and R 5 are each independently, halogen, C ⁇ -Cg alkyl or C Cg haloalkyl;
• R 5 is attached to the remainder of Formula I at the 5 position of the benzene ring; each R 12 is independently CO 2 H, CONH 2 , NO 2 , C r C 6 haloalkoxy, C 2 -C 6 alkylthio, C r C 6 alkylsulfinyl, C r C 6 alkylsulfonyl, C C 6 haloalkylthio, C Cg haloalkylsulfinyl, C1-C6 haloalkylsulfonyl, C Cg alkylamino, C 2 -C 8 dialkylamino, C 2 -Cg alkylcarbonyl, C 2 -Cg alkoxycarbonyl, C 3 -C9 alkoxyalkylcarbonyl, C2-C6 alkylaminocarbonyl, C4-C10 alkylaminoalkylcarbonyl, C 3 -C dialkylaminocarbonyl, C 3 -C dial
• compounds of Formula I including but not limited to compounds of Preferred 1, Preferred 2, Preferred 2a, Preferred 3, Preferred 3a, Preferred 4 and Preferred 4a) wherein R*> is alkyl, optionally substituted with halogen or C Cg alkoxy.
• compounds of Formula I including but not limited to compounds of Preferred 1, Preferred 2, Preferred 2a, Preferred 3, Preferred 3a, Preferred 4 and Preferred 4a) wherein R 6 is alkenyl, optionally substituted with halogen.
• R° is selected from the group consisting of (a) the branched alkyl moieties CH(CH 3 )(CH2) 3 CH 3 , CH(CH 3 )(CH 2 ) 4 CH 3 , CH(CH 3 )(CH 2 ) 5 CH 3 , CH(CH 3 )(CH 2 ) 6 CH 3 , CH(CH 3 )(CH 2 ) 7 CH 3 , CH(CH 3 )(CH 2 )gCH 3 , CH(C 2 H 5 )(CH 2 ) 3 CH 3 , CH(C 2 H 5 )(CH 2 )4CH 3 , CH2CH(CH 3 )(CH 2 ) 2 CH 3 , CH 2 CH(CH 3 )(CH2)4CH 3 , CH 2 CH(C2H5)CH 2 CH 2 CH 2 CH 3 , (CH 2 ) 2 CH(CH 3 )(CH 2 ) 3 CH(CH 3 )2, (CH2)2CH(CH 3 )CH 2 C(CH 3 ) 3 ,
• R*> is selected from said alkyl moieties (a) and (b) wherein at least one hydrogen has been replaced by OCH3, OC2H5, OCH(CH 3 ) 2 or OC(CH 3 ) 3 .
• R > is selected from the group consisting of (CH2) 3 C(CH 3 )2OCH 3 , (CH 2 ) 3 C(CH 3 ) 2 OC 2 H 5 , (CH 2 ) 3 C(CH 3 ) 2 OCH(CH 3 )2, (CH 2 ) 3 C(CH 3 )2OC(CH 3 ) 3 , (CH 2 ) 3 C(CH 3 ) 2 F, (CH 2 )3C(CH3) 2 C1 and (CH 2 ) 3 C(CH3) 2 Br.
• R 1 is H
• R 1 is H
• R 6 is Cg-Ci5 alkyl wherein at least one of the fourth and fifth carbon from A has one or no hydrogen attached or C5-C15 2-alkenyl wherein the fourth or fifth carbon from A has one or no hydrogen attached (In other words, R 6 is branched at the fourth and/or fifth carbon).
• Preferred 5a Compounds of Preferred 5 wherein R 2 , R 3 , R 4 and R 5 are each methyl and m is 1.
• Preferred 5b Compounds of Preferred 5 wherein R 2 and R 3 are each independently methyl or ethyl.
• R 6 is selected from the group consisting of (a) the alkyl moieties (CH 2 )2CH(CH3)CH 2 C(CH 3 )3, (CH 2 ) 3 CH(CH 3 ) 2 , CH(C 2 H 5 )CH 2 CH 2 CH(CH 3 ) 2 , CH(CH 3 )CH 2 CH 2 CH(CH3)2,
• R 1 is H
• R 6 is C1-C4 alkyl substituted with one or more substituents selected from the group consisting of C2-Cg alkylthio, C Cg alkylsulfinyl, C 2 -Cg alkoxycarbonyl, C 2 -C 8 dialkylamino, C 2 -Cg alkylcarbonyl, C3-C9 alkoxyalkylcarbonyl, C 2 -Cg alkylaminocarbonyl, C 3 -C 8 dialkylaminocarbonyl, C3-C9 trialkylsilyl, C3-C9 halotrialkylsilyl, C4-C9 alkoxytrialkylsilyl or C3-C9 trialkylsilyloxy.
• Preferred 6a Compounds of Preferred 6 wherein R 2 , R 3 , R 4 and R 5 are each methyl; and R 6 is C1-C4 alkyl substituted with one or more substituents selected from the group consisting of C 2 -Cg alkylthio, C Cg alkylsulfinyl, C 2 -C6 alkoxycarbonyl, C2-C 8 dialkylamino, C 2 -Cg alkylcarbonyl, C3-C9 alkoxyalkylcarbonyl, C2-C6 alkylaminocarbonyl, C3-C 8 dialkylaminocarbonyl, C3-C9 trialkylsilyl or C3-C9 trialkylsilyloxy.
• Preferred 6b Compounds of Preferred 6 wherein R 2 and R 3 are each methyl or ethyl.
• compounds of Formula I including but not limited to compounds of Preferred 1, Preferred 2, Preferred 2a, Preferred 3, Preferred 3a, Preferred 4, Preferred 4a, Preferred 5, Preferred 5a, Preferred 5b, Preferred 6, Preferred 6a and Preferred 6b) wherein R 6 is alkyltrialkylsilyl.
• compounds of Formula I including but not limited to compounds of Preferred 1, Preferred 2, Preferred 2a, Preferred 3, Preferred 3a, Preferred 4, Preferred 4a, Preferred 5, Preferred 5a, Preferred 5b, Preferred 6, Preferred 6a and Preferred 6b) wherein R 6 is alkyltrialkylsilyloxy.
• R 6 is selected from the group consisting of (e) the alkyltrialkylsilyl moieties CH 2 Si(CH 3 )3, CH 2 CH 2 Si(CH3) 3 , CH 2 CH 2 CH 2 Si(CH3)3, CH 2 CH 2 CH2CH 2 Si(CH 3 )3, CH 2 Si(C 2 H 5 ) 3 , CH 2 CH 2 Si(C 2 H5)3, CH 2 CH2CH 2 Si(CH3)2(C2H 5 ), CH 2 CH 2 CH 2 Si(C 2 H 5 ) 3 , CH 2 CH 2 CH 2 CH 2 Si(C 2 H 5 ) 3 , CH 2 Si(CH(CH 3 ) 2 ) 3 , CH 2 CH 2 Si(CH(CH3)2) 3 , CH2CH 2 CH2Si(CH(CH 3 ) 2 ) 3 , CH2CH2CH2CH 2 Si(CH(CH 3 ) 2 ) 3 , CH 2 Si(CH 3 )2C(CH 3 ) 3 , CH 2 CH 2 Si(CH 3 ) 3
• This invention also relates to fungicidal compositions comprising fungicidally effective amounts of the compounds of the invention and at least one additional component selected from the group consisting surfactants, solid diluents and liquid diluents.
• the preferred compositions of the present invention are those which comprise the above preferred compounds.
• This invention also relates to a method for controlling plant diseases caused by fungal plant pathogens comprising applying to the plant or portion thereof, or to the plant seed or seedling, a fungicidally effective amount of the compounds of the invention (e.g., as a composition described herein).
• a fungicidally effective amount of the compounds of the invention e.g., as a composition described herein.
• the preferred methods of use are those involving the above preferred compounds.
• the compounds of Formula I can be prepared by one or more of the following methods and variations as described in Schemes 1-9.
• the definitions of R 1 to R 12 , A, m and n in the compounds of Formulae 1-13 below are as defined above in the Summary of the Invention and Details of the Invention unless otherwise stated.
• Compounds of Formulae la-Ig are various subsets of the compounds of Formula I, and all substituents for Formulae la-Ig are as defined above for Formula I unless otherwise stated.
• R 1 is H; C r C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, C 2 -C 5 alkoxycarbonyl, a C3- carbocycle or C3-C6 heterocycle.
• Method 1 Treatment of an aniline of Formula 1 with an acetal of formula R 2 R 3 NC(R 1 )(OR 13 ) 2 , wherein R 13 is an alkyl.
• a halogenating reagent such as, but not limited to, POCI3 or SOCI2.
• Method 3 Treatment of an aniline of Formula 1 with an orthoester of formula R 1 C(OR 13 ) 3 , wherein R 13 is alkyl, to form a corresponding iminoether followed by heating the iminoether with an amine of formula HNR 2 R 3 .
• R 13 is alkyl
• an aniline of Formula 1 with phosgene to form an isocyanate
• X is a nucleophilic reaction leaving group such as halogen (e.g., Br, I), OS(O) 2 CH 3 (methanesulfonate), OS(O) 2 CF 3 , OS(O) 2 Ph- ⁇ -CH 3 (p- toluenesulfonate), and the like.
• the suitable bases can be, for example but not limited to, potassium carbonate (K 2 CO 3 ) or silver oxide (Ag 2 O).
• Compounds of Formula Id can be prepared by the method outlined in Scheme 4. Treatment of an aniline of Formula 1 with thiophosgene (or its equivalent) provides the corresponding isothiocyanate. The isothiocyanate is then reacted with an amine of Formula 4 to afford the thiourea of Formula Ih. The thiourea of Formula lh is then alkylated to give the compound of Formula Id by contact with an alkylating agent of Formula 7 (R 7 X).
• the suitable bases can be, for example but not limited to, potassium hydroxide. For a leading reference to this method see, Filop et al, Tetrahedron, 1985, 41(24), 5981-5988.
• R 2 and R 3 groups in compounds of Formula I can be converted to other R 2 and R 3 groups as defined above, by treatment with an appropriate amine or by acylation or alkylation when R 2 or R 3 is hydrogen.
• a compound of Formula I can also be prepared by alkylation of a compound of Formula 8 with an alkylating agent of Formula 9 in the presence of a base.
• Compounds of Formula 8 are known compounds or can be prepared by literature procedures (J. Med. Chem., 1984, 27(12), 1705-10; EP 94052 and WO 00/46184).
• X is a nucleophilic reaction leaving group as defined above for Formula 7. The reaction is conducted in the presence of at least one equivalent of a base, preferably from 1 to 2 equivalents.
• Suitable bases include inorganic bases, such as alkali metal (such as lithium, sodium or potassium) hydrides, carbonates and hydroxides, and organic bases, such as triethylamine, diisopropylethylamine and 1,8-diazabicyclo- [5.4.0]undec-7-ene.
• the reaction is generally conducted in a solvent, which can comprise aromatic solvents such as benzene and toluene, ethers such as tetrahydrofuran and diethyl ether, and polar aprotic solvents such as acetonitrile, N,iV-dimethylformamide, and the like.
• the reaction is generally conducted between about -20 and 150 °C, and preferably between 20 and 140 °C.
• the reaction time can range from 1 hour to 7 days.
• the compound of Formula I can be isolated by conventional techniques such as extraction. Further experimental details for the method of Scheme 5 are illustrated in Example 1.
• A is O, S or NR 10 ; and X is a nucleophilic reaction leaving group.
• reductive animation of a compound of Formula 8, wherein A is NH in the presence of an aldehyde or a ketone can also provide the compound of Formula I, wherein R 6 is an optionally substituted alkyl group.
• Reaction conditions for the reductive animation are taught inJ. Med. Chem., 1984, 17(12), 1705-1710, and references cited within.
• compounds of Formula Ic can also be prepared by the method outlined in Scheme 6. Heating a phenyl isocyanide dichloride of Formula 10 with an amine of Formula 4 provides the corresponding imidoyl intermediate.
• the oxidizing agent can be peracetic acid, hydrogen peroxide, potassium permanganate, sodium periodate or 3-chloroperoxybenzoic acid.
• the solvent can be, for example but not limited to, dichloromethane, acetic acid or water. Detailed conditions for this method can be found in J. Med. Chem., 1996, 39(26), 5072-5082, J. Med. Chem., 1983, 26(1), 107-110, and references cited within.
• n 1 or 2.
• Compounds of Formula 1 can be prepared by reduction of the nitro group in compounds of Formula 12. There are many methods for this reduction reaction. Preferred methods include stannous chloride reduction in concentrated hydrochloric acid (J. Med. Chem., 1984, 24(12), 1705-1710) and iron powder reduction in a solution of acetic acid and water (J. Org. Chem., 2001, 66(13), 4563-4575).
• compounds of Formula 12 can be prepared by alkylation of compounds of Formula 13 with an alkylating agent of Formula 9 in the presence of a base.
• the reaction conditions for this alkylation are already described for the conversion of the compounds of Formula 8 to the compounds of Formula I in Scheme 5.
• Compounds of Formula 13 are known compounds or can be prepared by literature procedures (Can. J. Chem., 1984, 62(8), 1446-51; Aust. J. Chem., 1991, 44(1), 151-6).
• the resulting reaction mixture was heated at reflux for 4 days and then cooled to room temperature.
• the reaction mixture was poured into diethyl ether (100 mL).
• the organic layer was washed with IN aqueous sodium hydroxide solution (3x100 mL).
• the organic layer was then dried over MgSO and filtered.
• the filtrate was concentrated and then dried in a vacuum oven at 90 °C overnight to give the title compound (0.16 g), a compound of this invention, as an oil.
• Step B Preparation of l-r(l-Butylpenty ⁇ oxy]-2,5-dimethyl-4-benzenamine l-[(l-Butylpentyl)oxy]-2,5-dimethyl-4-nitrobenzene (i.e. the product from Step A) (0.4 g, 1.39 mmol) was reduced by catalytic hydrogenation using palladium charcoal catalyst (10 wt %, 0.2 g) in ethanol (-20 mL) at 40 psi (276 KPa) hydrogen pressure above ambient for 8 hours. The catalyst was removed by filtration, and the filtrate was concentrated under reduced pressure.
• Step C Preparation of N , -r4-r(l-Butyl ⁇ entylVoxy1-2.5-dimethylphenyll-iV:N- dimethylmethanimidamide
• Dimethylformamide dimethyl acetal (-5 mL) was added to l-[(l-butylpentyl)oxy]- 2,5-dimethyl-4-benzenamine (i.e. the product from Step B) (350 mg) under argon, and the mixture was heated to 100 °C for two hours. The reaction mixture was cooled to room temperature and partitioned between ether (50 mL) and water (50 mL).
• Step A Preparation of f3-(2-Chloro-5-methyl-4-nitrophenoxy)propyl]trimethylsilane Diisopropyl azodicarboxylate (2.3 mL, 11.68 mmol), 3-trimethylsilylpropanol (1.41 g,
• Step B Preparation of 5-CMoro-2-memyl-4-r3-(trimethylsilyl)propoxy benzenamine
• a mixture of [3-(2-cMoro-5-memyl-4-nifrophenoxy)propyl]trimethylsilane i.e. the product from Step A
• methanol 16 mL
• concentrated hydrochloric acid 16 mL
• tin(II) chloride 6.64 g, 35.02 mmol
• Step C Preparation of N- ⁇ 5-Chloro-2-methyl-4-f3- trimethylsilyl1pro oxylphenyll- V , - cyanomethanimidamide
• TV-cyanomethanimidic ethyl ester (1.21 g, 12.35 mmol) in ethanol (16 mL) at room temperature was added dropwise a solution of 5-chloro-2-methyl-4-[3-
• Step D Preparation of N , -[5-Chloro-2-methyl-4-[3-(trimethylsilyl)propoxy1phenyl1-N-ethyl- N-methylmethanimidamide To a suspension of N-[5-chloro-2-methyl-4-[3-(trimethylsilyl]propoxy]phenyl]- V , - cyanomethanimidamide (i.e.
• Step A Preparation of
• 5-cWoro-2-methyl-4-[3-(trimethylsilyl)propoxy]benzenamine i.e. the product of Example 5, Step B
• diethylcarbamyl chloride 1.2 g, 7.8 mmol
• N,N-diisopropylethylamine 1.1 g, 9 mmol
• Step B Preparation of N'-[5-Chloro-2-methyl-4-[3-(trimethylsilyl)propoxy1phenyll-N- ethyl-N-methylthiourea
• N-ethylmethylamine 1 g, 17 mmol
• Step C Preparation of 5-CMoro-2-(memyltmo)-4-r3-(trimethylsilv ⁇ propoxylbenzenamine
• methanol 5 mL
• tin(II) chloride 5.1 g, 26.7 mmol
• Step D Preparation of N-r5-Chloro-2-(methylthioV4-r3-(trimethylsilv ⁇ propoxy1phenyl1-N'- cyanomethanimidamide
• N-cyanomethanimidic ethyl ester (0.84 g, 8.6 mmol) in ethanol (5 mL) at room temperature
• 5-chloro-2-(methylthio)-4-[3- (trimethylsilyl)propoxy]benzenamine i.e. the product from Step C
• the reaction mixture was stirred at room temperature for 2 days and then concentrated under reduced pressure.
• Step E Preparation of N , -r5-CMoro-2-(memyltriioV4-r3-(trimethylsilvnpropoxylphenyll-N- cvclopropyl-N-methylmethanimidamide
• N-[5-cWoro-2-(methyltMo)-4-[3-(trimethylsilyl)propoxy]phenyl]- N'-cyanomethanimidamide i.e. the product from Step D
• acetonitrile 5 mL
• NCH 3 CH3 CH3 CH 2 CH CHC(CH 3 ) 3
• NCH 3 CH3 CH 3 CH 2 CH CHCH(CH 3 ) 2
• NCH 3 CH 3 CH 3 CH 2 CH C(CH 3 ) 2

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