Accelerated electrocyclic ring-opening of benzocyclobutenes under the influence of a beta-silicon atom |
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| Authors: | Matsuya Yuji Ohsawa Noriko Nemoto Hideo |
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| Affiliation: | Faculty of Pharmaceutical Sciences, University of Toyama, Japan. |
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| Abstract: | A significant acceleration effect of a beta-silicon atom was observed on the electrocyclic ring-opening reaction of benzocyclobutene derivatives to form o-quinodimethanes. This acceleration effect could be attributed to an electronic sigma-donating nature of the C(alpha)-Si(beta) bond, associated with alpha-anion driven pericyclic reactions. |
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