Journal of Organic Chemistry p. 419 - 420 (1986)
Update date:2022-09-26
Topics:
Nguyen, Nghi V.
Chow, Ken
Karlsson, J. Olle
Doedens, Robert
Moore, Harold W.
Thermolysis of 4-alkynyl-3-azido-1,2-benzoquinones in refluxing benzene results in their conversion to (2-alynylethenyl)ketenes.These, in turn, cyclize to dipolar or diradical intermediates, which proceed to products via intra- or intermolecular trapping.This provides a very unusual entry to highly substituted cyanophenols.
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Doi:10.1021/jo00358a023
(1986)Doi:10.1021/ol7024372
(2007)Doi:10.1016/j.tet.2007.08.115
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(1954)Doi:10.1021/acs.orglett.0c02629
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(2008)
