Enantioselective Total Syntheses of (+)??Gallocatechin,(−)??Epigallocatechin, and 8??C??Ascorbyl??(−)??epigallocatechin

…, L Chang, Y Liu, Z Xiang, J Chen…

Index: Lin, Guang; Chang, Le; Liu, Yongxiang; Xiang, Zheng; Chen, Jiahua; Yang, Zhen Chemistry - An Asian Journal, 2013 , vol. 8, # 4 p. 700 - 704

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Abstract

Tea has attracted considerable levels of attention because of its beneficial effects on human health, such as reducing serum cholesterol levels, preventing arteriosclerosis, and lowering the incidence of several human cancers and AIDS.[1] Tea leaves contain a variety of different catechins, including (+)-catechin (C, 1),(À)-epicatechin (EC, 2),(+)-gallocatechin (GC, 3),(À)-epigallocatechin (EGC, 4), and(À)-epigallocatechin-3-gallate(EGCG, 5; ...

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