9-Meth­oxy-6a,11a-dimethyl-6a,11a-dihydro-6H-1-benzofuro[3,2-c]chromen-3-ol from Dalbergia oliveri


The title compound, commonly known as (+)-(6aS,11aS)-medicarpin, C(16)H(14)O(4), was isolated from Dalbergia oliveri and displays a rigid mol-ecule consisting of four fused rings. The benzofuran system is inclined at an angle of 76.49 (2)° with respect to the chroman unit. The compound exists as a polymeric chain arising from inter-molecular O-H⋯O bonding. 
DOI: 10.1107/S1600536809034485


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@inproceedings{Deesamer20099Methoxy6a11adimethyl6a11adihydro, title={9-Meth­oxy-6a,11a-dimethyl-6a,11a-dihydro-6H-1-benzofuro[3,2-c]chromen-3-ol from Dalbergia oliveri }, author={Sujittra Deesamer and Warinthorn Chavasiri and Narongsak Chaichit and Nongnuj Muangsin and Udom Kokpol}, booktitle={Acta crystallographica. Section E, Structure reports online}, year={2009} }