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. 2010 Apr 17;66(Pt 5):o1103.
doi: 10.1107/S160053681001367X.

tert-Butyl 4-isopropyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-3-carboxyl-ate

Wei Chen, Miao Yu, Si Li, Ning Jiao

tert-Butyl 4-isopropyl-2-oxo-6-phenyl-3,4-dihydro-2H-pyran-3-carboxyl-ate

Wei Chen et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, C(19)H(24)O(4), the six-membered lactone ring adopts an envelope conformation with the tert-butoxy-carbonyl and isopropyl substituents in axial positions, and the phenyl group in an equatorial position. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers.

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Figures

Fig. 1.
Fig. 1.
The molecular structure of the title compound with the atom numbering scheme. Displacement ellipsoids are drawn at the 30% probability level. H atoms are presented as a small spheres of arbitrary radius.
Fig. 2.
Fig. 2.
C—H···O interactions (dotted lines) in the crystal structure of the title compound. [Symmetry codes: (i) - x, - y + 2, - z + 1.]
See this image and copyright information in PMC

References

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