Intermediate in the preparation of cyclopropylcarboxylate...

Details Intermediate in the preparation of cyclopropylcarboxylate... Intermediate in the preparation of cyclopropylcarboxylate...

C - Chemistry, Metallurgy

07

C

260/629.8

C07C 43/30 (2006.01) C07C 41/48 (2006.01) C07C 43/315 (2006.01) C07C 45/40 (2006.01) C07C 49/175 (2006.01)

Patent

CA 1111865

ABSTRACT NOVEL INTERMEDIATE IN THE PREPARATION OF CYCLOPROPYL- CARBOXYLATE ESTERS AND PROCESS FOR ITS MANUFACTURE 3-Hydroxymethyl-2,2-dimethylcyclopropanecarbaldehyde dimethyl acetal, especially in the same stereoisomeric form as that of the cyclopropane ring in (+)-3-carene, is a novel intermediate useful in the manufacture of pyrethroid insecticides. It may be manufactured by a process characterised in that 3-acetoxymethyl-2,2-dimethylcyclo- propane carbaldehyde dimethyl acetal is subjected to hydrolysis.

316435

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