γ-hydroxy-α,β-alkynoic esters to produce γ-hydroxy-α,β-(E)-alkenoic esters using LiAlH4 is reported. The application of this methodology is demonstrated by a formal synthesis of the potent cell–cell adhesion inhibitors (+)-macrosphelides A and B.
报道了使用LiAlH 4的γ-羟基-α,β-链烯酸酯的高反选择性共轭还原,以产生γ-羟基-α,β-(E)-链烯酸酯。正式的有效细胞间粘附
抑制剂(+)-大环内酯A和B的正式合成证明了该方法的应用。