Photochemical reaction of benzophenones with allylic silanes.

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概要

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• 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<SUB>Si–C</SUB>–p<SUB>π</SUB> 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 radical at the γ position. No electron transfer products were observed in the reactions.

• 公益社団法人 日本化学会の論文

著者

• Takuwa Akio

  Department Of Chemistry Faculty Of Science Shimane University

• Fujii Naomi

  Department Of Clinical Pharmacology And Toxicology Showa Pharmaceutical University

• Iwamoto Hidetoshi

  Department Of Chemistry Faculty Of Science Shimane University

• Tagawa Hiroyuki

  Department of Hematology and Cell Therapy, Aichi Cancer Center Hospital

• Fujii Naomi

  Department of Chemistry, Faculty of Science, Shimane University

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