2,2,6-Trimethyl-5-[2-(4-methylphenyl)ethynyl]-4H-1,3-dioxin-4-one

The 1,3-dioxin-4-one ring in the title compound, C(16)H(16)O(3), is in a half-boat conformation with the quaternary O-C(CH(3))(2)-O atom lying 0.546 (1) angstrom out of the plane defined by the remaining five atoms. The crystal structure is consolidated by C-H center dot center dot center dot O contacts that lead to supramolecular layers.

FAPESP[07/59404-2]

FAPESP[08/02531-5]

CNPq[472237/2008-0]

CNPq[300613/2007]

CNPq[307121/2006-0]

Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)