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Structure of (−)-epicatechin: (2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol, C15H14O6

✍ Scribed by Spek, A. L. ;Kojić-Prodić, B. ;Labadie, R. P.

Book ID
114502604
Publisher
International Union of Crystallography
Year
1984
Tongue
English
Weight
444 KB
Volume
40
Category
Article
ISSN
0108-2701

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## Abstract (__R__)‐5‐(diallylamino)‐5,6‐dihydro‐4__H__‐imidazo[4,5,1‐__ij__]quinolin‐2(1__H__)‐one (__12b__) was prepared in 9% overall yield from 3‐aminoquinoline. Reaction of __12b__ in ethyl acetate with tritium gas in presence of a 5% platinum on carbon catalyst afforded a mixture of (__R__)‐5