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US 6,297,194 B1Granted
Production of phosphonopyrazoles
AssigneeMonsanto Technology LLC
InventorsPaula C. Miller, Jane M. Curtis, John M. Molyneaux, Thomas J. Owen
Life of this patent
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Abstract
Pyrazole compounds with activity as chemical hybridizing agents and methods for synthesis of such compounds are disclosed. These compounds are useful in producing hybrid wheat (Triticum aesativum) and other crops.
Claims4
A method of inducing male sterility in a plant comprising treating the plant or a seed thereof with a composition comprising a gametocidally effective amount of one or more compounds of formula I or II
- and an agronomically acceptable carrier, wherein:
- R1 is selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, benzyl and C3-C8 cycloalkyl;
- R2 is selected from the group consisting of hydrogen, alkyl, benzyl, C1-C8 alkenyl, and a salt;
- R3 is selected from the group consisting of hydrogen, alkyl, aryl and heteroaryl;
- R4 is selected from the group consisting of hydrogen, alkyl, phenyl, and a salt;
- R5 is selected from the group consisting of hydrogen, alkyl, phenyl, and a salt;
- R6 is selected from the group consisting of alkyl, aryl and heteroaryl;
- alkyl is selected from the group consisting of C1-C8;
- aryl is selected from the group consisting of phenyl;
- naphthyl;
- phenyl substituted with 1-5 groups selected from halogen, trihalomethyl, C1-C8 alkyl, C1-C8 alkoxy, nitro and cyano;
- and naphthyl substituted with 1-5 groups selected from halogen, trihalomethyl, C1-C8 alkyl, C1-C8 alkoxy, nitro and cyano;
- benzyl is selected from the group consisting of benzyl and benzyl substituted with 1-3 groups selected from halogen, trihalomethyl, C1-C8 alkyl, C1-C8 alkoxy, nitro and cyano;
- and
- heteroaryl is selected from the group consisting of pyridyl and pyridyl substituted with 1-4 groups selected from halogen, trihalomethyl, C1-C8 alkyl, C1-C8 alkoxy, nitro and cyano.
12 more elements
Dependencies are inferred from the claim text.