Patent number: 6469005
Abstract: Propargylether derivatives of formula I
including the optical isomers thereof and mixtures of such isomers, wherein
R1 is hydrogen, alkyl, cycloalkyl or optionally substituted aryl,
R2 and R3 are each independently hydrogen or alkyl,
R4 is alkyl, alkenyl or alkynyl,
R5, R6, R7, and R8 are each independently hydrogen or alkyl and
R9 is a group
R10 is optionally substituted aryl or optionally substituted heteroaryl,
R11 is hydrogen or optionally substituted alkyl, alkenyl or alkynyl,
Z is hydrogen —CO—R16, —COOR16, —CO—COOR16 or —CONR16R17,
R12 is hydrogen, or optionally substituted alkyl, alkenyl or alkynyl,
R13 is hydrogen or alkyl, R14 is hydrogen, alkyl, cycloalkyl or cycloalkyl-alkyl,
R15 is alkyl, alkenyl, alkynyl, optionally substituted aryl or optionally substituted aryl-alkyl, and
R16 and R17 are independently of each other hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted
Type:
Grant
Filed:
July 11, 2001
Date of Patent:
October 22, 2002
Assignee:
Syngenta Participations AG
Inventors:
Martin Zeller, André Jeanguenat, Clemens Lamberth, Walter Kunz