Photochemical reaction of benzophenones with allylic silanes
A Takuwa, N Fujii, H Tagawa, H Iwamoto
Index: Takuwa, Akio; Fujii, Naomi; Tagawa Hiroyuki; Iwamoto, Hidetoshi Bulletin of the Chemical Society of Japan, 1989 , vol. 62, # 1 p. 336 - 338
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Citation Number: 4
Abstract
Photocycloaddition and hydrogen abstraction reactions between benzophenones and allylic silanes have been investigated. The high regioselective oxetane formations were explained in terms of an additional stability due to the σ Si–C–p π hyperconjugation of β-silyl radicals in diradical intermediates. Allyl radical substituted by a trimethylsilyl group, which was generated from a hydrogen abstraction reaction, recombined with benzophenone ketyl ...
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