C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/477, 260/479
C07C 69/74 (2006.01) A01N 53/00 (2006.01) C07D 333/46 (2006.01)
Patent
CA 1130308
Abstract Certain derivatives of cyclopropane carboxylic acid and their esters are useful and valuable intermediates for the preparation of broad spectrum pyrethroid type pesticides. The invention provides a novel method for the preparation of derivatives of cyclopropane carboxylic acid and esters from stable sulfonium ylides.
279589
American Cyanamid Company
Smart & Biggar
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