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

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 ?-? stacking inter-actions between the benzene rings along the c axis [centroid-centroid distance = 3.655?(3)?Å].

SUBMITTER: Salas CO 

PROVIDER: S-EPMC3051744 | biostudies-literature | 2011 Jan

REPOSITORIES: biostudies-literature

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

Salas Cristian O CO   Tapia Ricardo A RA   Macías Alejandro A  

Acta crystallographica. Section E, Structure reports online 20110112 Pt 2

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 b  ...[more]

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