Mg. Banwell et Gs. Forman, CHEMOENZYMATIC ROUTES TO CHIRAL (NON-RACEMIC) CYCLOPROPANES - PREPARATION OF A KEY INTERMEDIATE FOR THE SYNTHESIS OF (1R)-CIS-PYRETHROIDS, Journal of the Chemical Society. Perkin transactions. I, (21), 1996, pp. 2565-2566
The microbial oxidation product 2 (X = Br) has been converted into the
chiral (non-racemic) cyclopropane II, a synthon for the commercially
significant (1R)-cis-pyrethroid class of insecticides.