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ChemInform Abstract: The Chemistry and Reactivity of Aryl Radicals - The C-C Bond Formation from o-Bromobenzylphenylethers with Tin Hydride and Azobisisobutyronitrile.

✍ Scribed by A. M. ROSA; A. M. LOBO; P. S. BRANCO; S. PRABHAKAR

Publisher: John Wiley and Sons
Year: 2010
Weight: 32 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199715145

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✦ Synopsis

The Chemistry and Reactivity of Aryl Radicals -The C-C Bond Formation from o-Bromobenzylphenylethers with Tin Hydride and Azobisisobutyronitrile.

-In the presence of Bu3SnH and 0.5-0.6 equiv. of AIBN o-bromobenzylphenyl ethers are found to undergo 1,6-and/or 1,5-ring closure yielding benzopyrans and/or biphenyl alcohols. The ratio depends on the substitution pattern of the phenyl ring. -(ROSA, A.

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