A stereocontrolled synthesis of optically active β-D-glucopyranosides 7–10 and 11–14, glucosidic damascenone precursors, was accomplished utilizing an asymmetric transfer hydrogenation to α,β-acetylenic ketones catalyzed by chiral ruthenium complexes as the key step.
利用不对称转移完成了旋光性β-
D-吡喃葡萄糖苷7-10和11-14(糖苷大马士康酮前体)的立体控制合成。氢化 对α,β-炔属
酮类 手性
钌配合物催化是关键步骤。