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. 2011 Jan 12;67(Pt 2):o375.
doi: 10.1107/S1600536810054462.

7-(tert-Butyl-diphenyl-sil-yloxy)-2,2-dimethyl-1-benzofuran-3(2H)-one

Cristian O Salas, Ricardo A Tapia, Alejandro Macías

7-(tert-Butyl-diphenyl-sil-yloxy)-2,2-dimethyl-1-benzofuran-3(2H)-one

Cristian O Salas et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The title compound, C(26)H(28)O(3)Si, is an allylic oxidation product of the tert-but-yl(2,2-dimethyl-2,3-dihydro-benzo-furan-7-yl-oxy)diphenyl-silane with N-bromo-succinimide and 2,2'-azobis-isobutyronitrile. The nine-atom bicyclic system is almost planar, with an r.m.s deviation of 0.0123 (2) Å and a maximum deviation of 0.031 (2) Å for the O atom. In the crystal, the mol-ecules pile up along the b axis but the strongest inter-molecular contacts are the π-π stacking inter-actions between the benzene rings along the c axis [centroid-centroid distance = 3.655 (3) Å].

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Figures

Fig. 1.
Fig. 1.
The structure of the title compound, with displacement ellipsoids drawn at the 50% probability level and H atoms with arbitrary radius.
Fig. 2.
Fig. 2.
Chemical reactions scheme for obtain molecule 3.
See this image and copyright information in PMC

References

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