Proline-Catalyzed Imino-Diels–Alder Reactions: Synthesis ofmeso-2,6-Diaryl-4-piperidones
作者:Fernando Aznar、Ana-Belén García、María-Paz Cabal
DOI:10.1002/adsc.200600318
日期:2006.11
Amine-catalyzed imino-Diels–Alder reactions of acyclic α,β-unsaturated ketones with imines have been developed. L-Proline catalyzed the in situ generation of 2-amino-1,3-butadienes to provide a stereoselective synthesis of meso-2,6-diaryl-4-piperidones in one direct step.
已经开发了胺催化的无环α,β-不饱和酮与亚胺的亚氨基Diels-Alder反应。L-脯氨酸在一个直接步骤中催化了2-氨基-1,3-丁二烯的原位生成,从而提供了内消旋-2,6-二芳基-4-哌啶酮的立体选择性合成。