Synthesis of 4-Substituted Flavans from 4α-Halogenoflavans
The reactions of flavan-4α- or -4β-ols unsubstituted in ring A with phosphorus or similar halides give 4α-halogenoflavans which react with a variety of nucleophiles (phenolate ions, thiophenolate ions, amines, and alcohols) yielding the corresponding 4-su
Brown, Ben R.,Guffogg, Stephen,Kahn, Michael L.,Smart, John W.,Stuart, Ian A.
p. 1825 - 1829
(2007/10/02)
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