Efficient and diastereoselective synthesis of (+)-Goniobutenolide A via palladium-catalyzed ene-yne cross coupling-lactonization cascade
作者:Martin Kotora、Ei-ichi Negishi
DOI:10.1016/s0040-4039(96)01972-7
日期:1996.12
(+)-Goniobutenolide A was synthesized in six steps in 21.4% overall yield from (R)-mandelic acid via Pd-catalyzed ene-yne cross coupling-lactonization cascade with essentially complete control of the exocyclic alkene geometry. Copyright (C) 1996 Elsevier Science Ltd
(+)-Goniobutenolide A通过钯催化的烯炔交叉偶联-内酯化级联反应,从(R)-苯甘氨酸出发,在六个步骤中以21.4%的总产率合成。该反应对exo-环烯烃的几何结构控制近乎完全。版权 © 1996 Elsevier Science Ltd