NOVEL C-3 EPIMERIZATION OF GLYCALS BY METAL CHLORIDES

被引:13
作者
INABA, K
MATSUMURA, S
YOSHIKAWA, S
机构
关键词
D O I
10.1246/cl.1991.485
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Treatment of tri-O-acetyl-D-glycals, e.g., tri-O-acetyl-D-glucal, tri-O-acetyl-D-allal and tri-O-acetyl-D-galactal, with metal chlorides in acetic anhydride afforded the C-3 epimer of the glycal triacetate with pseudo-glycal triacetate and unreacted glycal triacetate as an equilibrium mixture. The C-3 epimer of the glycal was readily separated from the reaction mixture using preparative HPLC.
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页码:485 / 488
页数:4
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