Ferrocenylseleno amino alcohols as new catalysts for the highly enantioselective alkylation of aldehydes

Article abstract of DOI:10.1016/0957-4166(95)00119-A

A chiral or a diastereomeric mixture of 1-[1-(N,N-dimethylaminoethyl)-2-(2'-hydroxyalkylseleno)]ferrocene (DASF) was easily prepared by the chiral diferrocenyldiselenide (1) and epoxides. DASF derivatives efficiently catalyzed the ethylation of aldehydes