C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/629.8
C07C 43/303 (2006.01) C07C 41/48 (2006.01) C07C 43/315 (2006.01)
Patent
CA 1123016
K 361 ABSTRACT Novel intermediate in the manufacture of pyrethroid insecticides has the following formula Image The compound preferably has the same stereochemical form as the cyclopropane ring in (+)-3-carene, The novel intermediate can be prepared by a process which comprises hydrolysing under alkaline conditions 1-(2,2-dimethoxyethyl)-3,3-dimethylcyclo- propylmethyl acetate, the latter compound being preferably derived from (+)-3-carene.
331953
Shell Canada Limited
Smart & Biggar
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