Tetrahedron p. 591 - 598 (1988)
Update date:2022-09-26
Topics:
Martins, F. J. C.
Viljoen, A. M.
Strydom, S. J.
Fourie, L.
Wessels, P. L.
Pyrex-filtered sunlight irradiation of solutions of 2-amino-1,4-naphthoquinone unexpedtedly failed to produce cyclobutane dimers.Irradiation in acetic anhydride led to the formation of the trimeric 6-<3'-amino-2'-(1,4-naphthoquinonyl)>-dibenzocarbazole-5,13:7,12-diquinone as well as 3,3'-diamino-2,2'-bi-<1,4-naphthoquinonyl and dibenzocarbazole-5,13:7,12-diquinone.Similar treatment of 2-methylamino-1,4-naphthoquinone afforded 6-<3'-methylamino-2'-(1,4-naphthoquinonyl)>-dibenzocarbazole-5,13:7,12-diquinone and 6-methyl-dibenzocarbazole-5,13:7,12-diquinone
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Doi:10.1246/bcsj.61.2133
(1988)Doi:10.1021/ja9018012
(2009)Doi:10.1016/S0040-4039(00)78646-1
(1980)Doi:10.1055/s-0028-1088000
(2009)Doi:10.1007/s11696-020-01346-4
(2021)Doi:10.1016/j.tet.2009.04.035
(2009)