SCHEDULED MAINTENANCE
4,6,7-Trimethoxy-5-methylchromen-2-one (1) has been isolated from Leonotis nepetaefolia and its structure confirmed by synthesis of the hydrolysis product, 2′-hydroxy-4′,5′-dimethoxy-6′-methylacetophenone (4) from 2,3,5-trimethoxybenzaldehyde.
K. K. Purushothaman, S. Vasanth, J. D. Connolly and C. Labbé, J. Chem. Soc., Perkin Trans. 1, 1976, 2594 DOI: 10.1039/P19760002594
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