Reaction of condensed tannins with ammonia

Volume: 44, Pages: 330 - 335
Published: Jan 1, 2013
Abstract
Reaction of condensed (flavonoid) mimosa tannin extracts with concentrated aqueous ammonia has been investigated. For that purpose, catechin was also used as a flavonoid model compound and treated in similar conditions. Solid state CP-MAS 13C NMR and MALDI-ToF spectroscopy studies revealed that, unlike what was recently theorised, amination is not always regioselective and leading to the conversion of one single OH group in C4′ into NH2. In the...
Paper Details
Title
Reaction of condensed tannins with ammonia
Published Date
Jan 1, 2013
Volume
44
Pages
330 - 335
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