C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/09 (2006.01) C07C 51/00 (2006.01) C07C 61/04 (2006.01) C07C 67/343 (2006.01)
Patent
CA 2056840
ABSTRACT OF THE DISCLOSURE A process is disclosed for the production of R,S- 2,2-dimethylcyclopropanecarboxylic acid by reacting isobutylene oxide and a phosphonoacetic acid trialkyl ester. The R,S-2,2-dimethylcyclopropanecarboxylic acid-C1- C4 alkyl ester thus formed is then hydrolyzed to form the corresponding acid. R,S-2,2-Dimethylcyclopropanecarboxylic acid is an important intermediate product in the production of S-(+)-2,2-dimethylcyclopropanecarboxamide.
Kampfen Ulrich
Meul Thomas
G. Ronald Bell & Associates
Lonza Ltd.
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