科研之友
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摘要
Flash vacuum pyrolysis (FVP) of benz[a] azulene yields phenanthrene and 2-ethynylbiphenyl. FVP of cyclohepta[b] indole similarly yields phenanthridine and 2-cyanobiphenyl. The reversibility of the reactions is demonstrated by FVP of 2-ethynylbiphenyl and 2-isocyanobiphenyl. All the observed reactions are in accord with the norcaradiene-vinylidene mechanism of the azulene-naphthalene rearrangement, whereas other proposed mechanisms are ruled out.
- 出版日期2016-9
