2-AMINO-1,3-BUTADIENES AS CHIRAL BUILDING-BLOCKS - ENANTIOSELECTIVE SYNTHESIS OF 4-PIPERIDONES, 4-NITROCYCLOHEXANONES, AND 1,3-CYCLOHEPTADIONE DERIVATIVES
J. Barluenga et al., 2-AMINO-1,3-BUTADIENES AS CHIRAL BUILDING-BLOCKS - ENANTIOSELECTIVE SYNTHESIS OF 4-PIPERIDONES, 4-NITROCYCLOHEXANONES, AND 1,3-CYCLOHEPTADIONE DERIVATIVES, Journal of the American Chemical Society, 115(10), 1993, pp. 4403-4404