Conversion of D-Glucose into the .BETA.-Hydroxy-.DELTA.-lactone Moiety of Mevinic Acids and Congeners via D-Idose as a Key Chiral Intermediate.
作者:Kosaku HIROTA、Shoji ONOGI、Yoshifumi MAKI
DOI:10.1248/cpb.39.2702
日期:——
(4R, 6S)-4-Hydroxy-6-hydroxymethyl-3, 4, 5, 6-tetrahydro-2H-pyran-2-one (1) and (4R, 6S)-4-hydroxy-6-hydroxymethyl-2-methoxytetrahydropyran (2), chirons of the β-hydroxy-δ-lactone moiety of mevinic acids and congeners, were derived from 1, 2, 3, 6-tetra-O-acetyl-α-D-idose (5), which is easily available from penta-O-acetyl-β-D-glucose (3).
(4R, 6S)-4-羟基-6-羟甲基-3, 4, 5, 6-四氢-2H-吡喃-2-酮 (1) 和 (4R, 6S)-4-羟基-6-羟甲基-2-甲氧基四氢吡喃 (2) 是梅维尼酸及其同类化合物中β-羟基-δ-内酯部分的基元,它们源自1, 2, 3, 6-四-O-乙酰-α-D-阿糖 (5),而后者则可通过五-O-乙酰-β-D-葡萄糖 (3) 轻松获得。