Pyrolytic Generation of Aryne and Exocyclic Carbene Species: Trapping by an Adjacent o-Tolyl Group
Flash vacuum pyrolysis of 2'-methylbiphenyl-2,3-dicarboxylic anhydride (3-o-tolylphthalic anhydride) at 860 deg/0.07 mmm gave a 1:1 mixture of 1H- and 3H-benzindene (22percent), and fluorene (49percent).The pathways leading to these products are discussed.
Brown, Roger F. C.,Eastwood, Frank W.,Smith, Cameron J.
p. 1315 - 1320
(2007/10/02)
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