Stemofoline ethyl acetate solvate

Wiley-Blackwell Publishing, Inc
Publication Type:
Journal article
Mungkornasawakul Pitchaya et al. 2009, 'Stemofoline ethyl acetate solvate', Wiley-Blackwell Publishing, Inc, vol. 65, no. 0, pp. O1878-U3157.
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Crystals of the title compound, C22H29NO5 center dot C4H8O2, {[systematic name: (2R,3R,5R,5aS,6R,8aR,9S)-(5Z)-5-[3-butyl-tetrahydro-6-methyl-2,5-methano-4,3,8a-[1]propanyl[3]ylidenefuro[3,2-f][1,4]oxazepin-7(5H)-ylidene]-4-methoxy-3-methylfuran-2(5H)-one ethyl acetate solvate} were isolated from the root extracts of Stemona aphylla (Stemonaceae). The structure closely resembles those of stemofoline derivatives which have previously been reported. Intermolecular contacts are observed between some C-bonded H atoms and nearby O atoms, perhaps indicating weak interactions which could influence the packing of species within the unit cell.
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