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Synthesis of benzo[c]xanthones from 2-benzylidene-1-tetralones by the ultraviolet radiation-mediated tandem reaction.

Authors
  • Xu, Wen-Zhi
  • Huang, Zhi-Tang
  • Zheng, Qi-Yu
Type
Published Article
Journal
The Journal of Organic Chemistry
Publisher
American Chemical Society
Publication Date
Jul 18, 2008
Volume
73
Issue
14
Pages
5606–5608
Identifiers
DOI: 10.1021/jo8008929
PMID: 18553976
Source
Medline
License
Unknown

Abstract

A facile one-pot method to prepare benzo[c]xanthones from readily accessible benzylidene-1-tetralones by the ultraviolet radiation-mediated tandem reaction is reported. The overall transformation presumably involves cis-trans isomerization, oxa-6pi electrocyclization, singlet oxygen ene reaction, dehydration, and aromatization.

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