Tetrahedron Letters p. 255 - 258 (1986)
Update date:2022-09-26
Topics:
Aldersley, Michael F.
Dean, Francis M.
Hamzah, Ahad S.
Appropriate N-ylides convert 2-methyl-1,4-naphthoquinone into 3-(acylmethyl) derivatives which can be cyclised to naphtho<2,3-c>pyran-5,10-diones by treatment with bromine and dehydrobromination with triethylamine; these diones give a variety of striking colours in acid media.
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Doi:10.1021/ja0476718
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(2010)Doi:10.1016/j.ica.2006.12.001
(2008)Doi:10.1002/pola.28044
(2016)Doi:10.1016/j.carres.2007.12.009
(2008)Doi:10.1021/jo00363a023
(1986)
