Acta Cryst. (2009). E65, o755  [ doi:10.1107/S1600536809008617 ]

4-Hydroxy-3-mesityl-1-oxaspiro[4.4]non-3-en-2-one

J.-H. Zhao, Y. Zhou, G.-N. Zhu and J.-L. Cheng

Abstract: In the title compound, C₁₇H₂₀O₃, the five-membered cyclopentyl ring displays an envelope conformation, with the atom at the flap position 0.538 (3) Å out of the mean plane formed by the other four atoms. The dihedral angle between the benzene and furan rings is 63.34 (15)°. In the crystal structure, molecules are linked through intermolecular O-HO hydrogen bonds, forming a zigzag chain along [101].

Online 14 March 2009

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