Deuterium labelling of theaflavin | Zendy

Peng Weimin | Zendy; Yao Yinfang | Zendy

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Deuterium labelling of theaflavin

Author(s) -

Peng Weimin,

Yao Yinfang

Publication year - 2009

Publication title -

journal of labelled compounds and radiopharmaceuticals

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.432

H-Index - 47

eISSN - 1099-1344

pISSN - 0362-4803

DOI - 10.1002/jlcr.1605

Subject(s) - chemistry , theaflavin , labelling , deuterium , nuclear magnetic resonance spectroscopy , stereochemistry , polyphenol , combinatorial chemistry , organic chemistry , biochemistry , antioxidant , physics , quantum mechanics

An efficient deuterium labelling of theaflavin, aiming at radiolabelling of theaflavin, was accomplished for the first time by using 4‐deuterium‐labelled epi ‐catechin as the precursor and the resulting D ‐labelled theaflavin was fully characterized by 1 H NMR, 13 C NMR, IR spectroscopy and ESI‐MS. The synthesis features a novel efficient polyphenol oxidase (PPO) catalyzed benzotropolone formation. PPO was bound onto a selected polymer by a novel efficient method developed in this lab. Copyright © 2009 John Wiley & Sons, Ltd.

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