C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 207/16 (2006.01) C07C 311/08 (2006.01) C07D 487/04 (2006.01)
Patent
CA 2276056
This invention is directed to compounds and intermediates of Formulae (6 and 3), useful in preparing herbicidal sulfonamides of Formula (1), including all geometric and stereoisomers thereof, and agricultural salts thereof, wherein X is H, F or Cl; Y is F or Cl; R1 is C1-C3 haloalkyl, C2-C4 alkoxyalkyl; C2-C6 haloalkoxyalkyl or C2-C6 cyanoalkyl; R2 is H, C1-C4 alkyl, C1-C4 haloalkyl; C3- C4 alkenyl, C3-C4 alkynyl, C2-C4 alkoxyalkyl, C2-C4 alkylcarbonyl or C2-C4 alkoxycarbonyl; R3 is H or OH; R4 is H, F or Cl; and R5 is F or Cl; provided that when R3 is H then R4 is F or Cl and when R3 is OH then R4 is H.
L'invention concerne des composés et intermédiaires de formules (6 et 3), utilisés pour la préparation de sulfonamides herbicides de formule (1), comprenant tous les isomères géométriques et stéréo-isomères de ceux-ci et des sels de ceux-ci utilisés en agriculture. Dans ces formules, X est H, F ou Cl; Y est F ou Cl; R?1¿ est haloalkyle C¿1?-C¿3?, alcoxyalkyle C¿2?-C¿4?; haloalcoxyalkyle C¿2?-C¿6? ou cyanoalkyle C¿2?-C¿6?; R?2¿ est H, alkyle C¿1?-C¿4?, haloalkyle C¿1?-C¿4?, alcényle C¿3?-C¿4?, alcynyl e C¿3?-C¿4?, alcoxyalkyle C¿2?-C¿4?, alkylcarbonyle C¿2?-C¿4? ou alcoxycarbonyle C¿2?-C¿4?; R?3¿ est H ou OH; R?4¿ est H, F ou Cl et R?5¿ est F ou Cl; à condition que lorque R?3¿ est H, R?4¿ soit F ou Cl et que lorsque R?3¿ est OH, R?4¿ soit H.
Drauz Karlheinz
Kamireddy Balreddy
Petrov Viacheslav Alexandrovich
Schaefer Matthias
Swearingen Steven H.
Aktiengesellschaft Degussa
Degussa Ag
Dimock Stratton Llp
E.i. Du Pont de Nemours And Company
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