Research Article: 3-(2-Furylmethyl­ene)-1,5-dioxaspiro­[5.5]undecane-2,4-dione

Date Published: August 01, 2009

Publisher: International Union of Crystallography

Author(s): Wu-Lan Zeng, Fang-fang Jian.


In the title mol­ecule, C14H14O5, the 1,3-dioxane ring is in an envelope conformation with the ring C atom common to the cyclo­hexane ring forming the flap. The other five atoms of the 1,3-dioxane ring are essentially planar [maximum deviation from the least-squares plane = 0.041 (3) Å] and form a dihedral angle of 13.75 (2)° with the furan ring. In the crystal structure, weak inter­molecular C—H⋯O hydrogen bonds form extended chains along [101].

Partial Text

For the applications and conformational features of spiro compounds, see: Yaozhong et al. (1998 ▶); Lian et al. (2008 ▶); Wei et al. (2008 ▶).




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