C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/264.7, 71/7.
C07D 237/24 (2006.01) A01H 1/02 (2006.01) A01N 43/58 (2006.01) C07D 401/12 (2006.01)
Patent
CA 1246569
ABSTRACT Pollen suppressants of the formula Image wherein R1 and R4 independently represent C1-C4 alkyl, phenyl, naphthyl, or phenyl or naphthyl substituted with one to three substituents selected from the group consisting of halogen, trihalomethyl, C1-C4 alkoxy, C1- C4 alkyl, and cyano; R2 is a divalent alkyl, alkenyl, or alkynyl radical having 0 to 4 multiple bonds and containing 1 to 21 carbon atoms if linear and 1 to 5 linear carbons substituted with 1 to 3 alkyl substituents of 1 to 4 carbon atoms if branched or a divalent cycloalkyl; cycloalkenyl containing 1 or 2 double bonds; phenyl, or alkyl- or dialkylcycloalkyl, -cycloalkenyl, or -aryl radical containing 3 to 10 carbon atoms and having a ring containing 3 to 7 carbon atoms; Y is OH, OY1 wherein Y1 is an agronomically acceptable metal ion, OR5 wherein R5 is a C1-C4 alkyl radical, or NR6R7 wherein R6 and R7 independently represent hydrogen or R6 and R7 taken together represent a C4-C5 divalent alkyl or alkenyl group which -33- forms a ring when taken together with the nitrogen of NR6R7; and and R3 is hydrogen, a halogen, a C1-C4 alkyl group, a carboxy group or an agronomically acceptable alkali metal salt thereof, or a group of the formula -COOR5 or -CONR5R6 where R5 is a C1-C4 alkyl group and R6 is R5 or hydrogen, are disclosed along with methods of producing these compounds and of using them to produce hybrid seeds in self-fertilizing plants.
463041
Fang Lawrence
Labovitz Jeffrey N.
Hybrinova
Sim & Mcburney
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