Process for the preparation of pesticidal compounds

Details Process for the preparation of pesticidal compounds Process for the preparation of pesticidal compounds

2007-04-03

2007-04-03

Saeed, Kamal A. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S325000, C548S367400

Reexamination Certificate

active

10297676

ABSTRACT:
A process for the preparation of a compound of general formula (I), wherein R1is CN or CSNH2; R2is hydrogen or chloride; and R3is halogen or haloalkyl or haloalkoxy or SF5which process comprises reacting a compound of formula (II), where R1, R2and R3are as defined above; with a proton source.

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Kawasaki et al., “Asymmetric Reduction of Prochiral Cyclic Ketones With Lithium Aluminum Hydride Partially Decomposed By (1R,2S)-(-)-N-Methylephedrine And 2-Alkylaminopyridine”,Chemistry Letters, pp. 239-242 (1984), published by The Chemical Society of Japan, Tokyo, Japan, XP000578114.

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