Electrocycloreversion of benzocyclobutenols promoted by photoinduced electron transfer

DOI: 10.1016/0040-4039(96)01152-5

Source and publish data:

Tetrahedron Letters p. 5547 - 5550 (1996)

Update date:2022-08-03

Topics:

Authors:

Takahashi, Yasutake

Miyamoto, Kazuya

Sakai, Kazuhiro

Ikeda, Hiroshi

Miyashi, Tsutomu

Ito, Yoshikatsu

Tabohashi, Ken

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Article abstract of DOI:10.1016/0040-4039(96)01152-5

Benzocyclobutenols 1 undergo electron-transfer induced electrocycloreversion to generate o-quinodimethane intermediates E-4 and Z-4, which then tautomerize to benzophenones 2. Evidence for the intermediates is provided by the trapping experiments and the laser flash photolysis experiments.

Full text of DOI:10.1016/0040-4039(96)01152-5

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