Preparation of 1,2,3,4,6-penta-O-galloyl-[U-14C]-D-glucopyranose

被引:12
作者
Chen, YM [1 ]
Hagerman, AE [1 ]
Minto, RE [1 ]
机构
[1] Miami Univ, Dept Chem & Biochem, Oxford, OH 45056 USA
关键词
hydrolyzable tannin; polyphenol; antioxidant; pentagalloylglucose;
D O I
10.1002/jlcr.648
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The synthesis of 1,2,3,4,6-penta-O-galloyl-[U-C-14]-D-glucopyranose is described. [U-C-14]glucopyranose was reacted with tri-O-benzylgallic acid forming 1;2,3,4,6-penta(tri-O-benzylgalloyl)-[U-C-14]-D-glucopyranose as chromatograpically separable anomers. Removal of the benzyl group by catalytic hydrogenation afforded 1,2,3,4,6-penta-O-galloyl-[U-C-14]-D-glucopyranose in 54% overall yield. GRAPHICS. Copyright (C) 2002 John Wiley Sons, Ltd.
引用
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页码:99 / 105
页数:7
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