C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/646.1, 260/4
C07C 43/313 (2006.01) C07C 41/48 (2006.01) C07C 41/56 (2006.01) C07C 43/29 (2006.01) C07C 43/315 (2006.01) C07C 45/29 (2006.01) C07C 45/40 (2006.01) C07C 47/37 (2006.01) C07C 49/175 (2006.01) C07C 49/20 (2006.01) C07C 49/23 (2006.01) C07C 51/00 (2006.01) C07C 69/743 (2006.01) C07F 9/22 (2006.01)
Patent
CA 1146581
ABSTRACT NOVEL INTERMEDIATES IN THE PREPARATION OF CYCLOPROPLYCARBOXYLATE ESTERS AND PROCESS FOR THEIR MANUFACTURE Compound of the general formula: Image (III) wherein each Hal is a halogen atom and ? is a group selected from: (i) Image (ii) Image (iii) Image , and (iv) Image especially in the same stereoisomeric form as that of the cyclopropane ring in (+)-3-carene, are novel intermediates useful in the manufacture of pyrethroid insecticides.
316588
Kelderman Hendrik C.
Kramer Petrus A.
Van Berkel Johannes
Verbrugge Pieter A.
Shell Canada Limited
Smart & Biggar
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