Synthesis and aminomethylation of 7-hydroxy-5-methoxyisoflavones

GP Mrug, SP Bondarenko, VP Khilya…

文献索引：Mrug; Bondarenko; Khilya; Frasinyuk Chemistry of Natural Compounds, 2013 , vol. 49, # 2 p. 235 - 241 Khim. Prir. Soedin., 2013 , # 2 p. 203 - 208,6

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摘要

Natural 4H-benzopyran-4-ones (chromones) occur more often than not as hydroxylated, methoxylated, and glycosylated derivatives, the overwhelming majority of which contain O atoms in resorcinol-like or phloroglucinol-like positions. 7-O-methyl derivatives are the most common monomethylated natural aglycons of chromones with the phloroglucinol structure whereas 7-hydroxy-5-O-methyl compounds are few and, as a rule, exist in minor amounts. ...