813. The synthesis of flavan-2: 3-diols (dihydro-α: 2-dihydroxy-chalcones)

JW Gramshaw, AW Johnson, TJ King

文献索引：Gramshaw et al. Journal of the Chemical Society, 1958 , p. 4040,4041

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被引用次数: 9

摘要

The products of reduction of luteoiinidin and apigeninidin chlorides by lithium aluminium hydride are shown to be flav-2-enes. Hydroxylation of 5: 7: 3': 4'-tetramethoxyflav-2-ene yields a flavan-2: 3-diol which exists almost entirely as the open-chain tautomer, a dihydro-