Enantioselective Birch reduction and reductive alkylations of chiral 2-phenylbenzoic acid derivatives. Application to the synthesis of hydrofluoren-9-ones, hydrophenanthren-9-ones, and (-)-(1R,2R)-2-phenylcyclohexanamine
Enantioselective Birch reduction and reductive alkylations of chiral 2-phenylbenzoic acid derivatives. Application to the synthesis of hydrofluoren-9-ones, hydrophenanthren-9-ones, and (-)-(1R,2R)-2-phenylcyclohexanamine