Photo-valence isomerization between 2-phenyl-1,3-oxazepine and 3-phenyl-2-oxa-4-azabicyclo[3,2,0]hepta-3,6-diene
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 10,p. 373-374
- https://doi.org/10.1039/c39740000373
Abstract
Irradiation of 2-phenyl-1,3-oxazepine (I) with 300 or 350 nm light afforded 3-phenyl-2-oxa-4-azabicyclo[3,2,0]hepta-3,6-diene (II), whereas irradiation of (II) with 250 nm light caused ring opening to give (I).Keywords
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