
Tetrahedron p. 9297 - 9304 (1991)
Update date:2022-08-30
Topics:
Petrillo
Novi
Dell'Erva
Tavani
The ortho-arylation of phenols by (2-cyanoaryl)azo t-butyl (or phenyl) sulfides in S(RN)1 conditions, followed by a silica-gel-catalysed lactonisation of the resulting 2-cyano-2'-hydroxybiphenyls, leads to dibenzo[b,d]pyran-6-ones.
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(2003)Doi:10.1016/j.ica.2021.120504
(2021)