C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.3, 260/2
C07D 237/24 (2006.01) A01H 1/02 (2006.01) A01N 43/58 (2006.01) A01N 43/713 (2006.01) C07D 403/04 (2006.01)
Patent
CA 1246570
-34- ABSTRACT A pollen suppressant 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; Image or Image where R5 is a C1-C12 alkyl group, optionally substituted with one or more halogen atoms, or an aryl group selected from the group consisting of 6-membered rings containing 0-3 nitrogens and fused bicyclic 10- membered rings containing 6 atoms in each ring and 0-3 nitrogens per ring with the remaining atoms in the ring or rings of said aryl group being carbon atoms, said aryl group being optionally substituted with a C1-C4 -35- alkyl group or an electron-withdrawing group, 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 -COOR6 or -CONR6R7 where R6 is a C1-C4 alkyl group and R7 is R6 or hydrogen, is disclosed along with methods of producing these compounds and of using them to produce hybrid seeds in self-fertilizing plants.
463044
Fang Lawrence
Labovitz Jeffrey N.
Hybrinova
Sim & Mcburney
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