Cyclization of 1-hydroxy-2-(oxoalkynyl) anthraquinones
MA Mzhelskaya, ID Ivanchikova, NE Polyakov…
Index: Mzhelskaya; Ivanchikova; Polyakov; Moroz; Shvartsberg Russian Chemical Bulletin, 2004 , vol. 53, # 12 p. 2798 - 2804
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Citation Number: 9
Abstract
Abstract Procedures were developed for the heterocyclization of 2-benzoylethynyl-1-hydroxy- and 1-hydroxy-2-(1-oxo-3-phenylpropynyl) anthraquinone. The regioselective preparation of 2-substituted anthra [1, 2-b] pyran-4, 7, 12-triones was demonstrated to be possible under mild conditions.
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