Mechanism of Organocalcium Reagent Formation.

Article abstract of DOI:10.1021/jo00057a035

The stereochemistry of the reaction of (S)-(+)-1-bromo- and (S)-(+)-1-chloro-1-methyl-2,2-diphenylcyclopropane and (S)-(+)-1-bromo-1-(methoxymethyl)-2,2-diphenylcyclopropane with calcium-aromatic complexes is reported as is its reaction with a radical clo