C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/12 (2006.01) A01N 47/36 (2006.01) C07C 303/40 (2006.01) C07C 311/54 (2006.01) C07D 239/28 (2006.01) C07D 239/42 (2006.01) C07D 239/47 (2006.01) C07D 401/12 (2006.01) C07D 409/12 (2006.01)
Patent
CA 2272597
The present invention provides a compound comprising a quaternary ammonium salt of a sulfonylurea having the formula (see formula I) wherein R1 is a substituted or unsubstituted phenyl, heterocyclic ring, or phenoxy, or -N(CH3)(SO2CH3); R2 is H or CH3; R3 is a substituted or unsubstituted pyrimidine or a substituted or unsubstituted triazine; R4 and R5 are independently unsubstituted or hydroxy substituted linear or branched C1-C4 alkyls, -(CH2CH2O)m CH2CH2OH, or -(CH2CHCH3O)m CH2CHCH3OH where m is 1 to 10; R6 is a substituted or unsubstituted benzyl, ethylbenzyl, naphthylmethyl, or linear or branched C1-C22 alkyl; R7 is a substituted or unsubstituted, linear or branched C8-C22 alkyl or -R13(O)n(C6H5)R14 where n is 0 or 1; R13 is a substituted or unsubstituted C1- C8 alkyl or C1-C8 alkoxyalkyl; and R14 is a substituted or unsubstituted, linear or branched C1- C12 alkyl. Also, a method of preparing a quaternary ammonium salt of a sulfonylurea is provided. The method comprises contacting a quaternary ammonium hydroxide and a sulfonylurea to form the quaternary ammonium salt of the sulfonylurea. The quaternary ammonium salts of a sulfonylurea are useful as herbicides, fungicides, and plant growth regulating agents.
Chen Chia-Chung
Tirol Arturo Aclaro
Tseng Chuen-Ing
Wysong Robert D.
E.i. Du Pont de Nemours And Company
Lonza Inc.
Mccarthy Tetrault Llp
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