40940-48-5Relevant articles and documents
(Z)-Ethyl 2-phenyl-1-(2-vinylphenyl)vinylcarbamates. Part 1: Synthesis and preliminary studies on their divergent transformation into benzo[c] phenanthridines and 2-phenyl-1,4-naphthoquinones
Treus, Mónica,Salas, Cristian O.,Gonazález, Marcos A.,Estévez, Juan C.,Tapia, Ricardo A.,Estévez, Ramón J.
experimental part, p. 9986 - 9995 (2011/02/23)
Treatment of N-carbethoxy-1-benzylideneisoquinolines with LDA gives N-ethoxycarbonyl-1-amino-1-(2-vinylphenyl)-2-phenylethylenes, which can easily be transformed into N-carbethoxy-1-amino-2-phenylnaphthalenes. Bischler-Napieralski reaction of these latter
A novel C-N cleavage in isoquinolines allowing the first direct transformation of 1-benzylisoquinolines into benzo[c]phenanthridines and a new route to 2-phenyl-1,4-naphthoquinones
Treus,Estevez,Castedo,Estevez
, p. 6351 - 6353 (2007/10/03)
Treatment of N-carbethoxy-1-benzylideneisoquinolines with LDA gives N-ethoxycarbonyl-1-amino-1-(2-vinylphenyl)-2-phenylethylenes, which can easily be transformed into N-carbethoxy-1-amino-2-phenyl-naphthalenes. Bichler-Napieralski reaction of these latter compounds affords the corresponding benzo[c]-phenanthridines, while their hydrolysis and subsequent oxidation constitutes a route to 2-phenyl-1,4-naphthoquinones. (C) 2000 Elsevier Science Ltd.
BENZOPHENANTHRIDINES. II. CONSTRUCTION OF THE ACD FRAGMENTS IN THE TOTAL SYNTHESIS OF BENZO- AND BENZOPHENANTHRIDINES BY ALKYLATION OF THE SILVER SALT OF 2-HYDROXY-6,7-DIMETHOXY-3-(3,4-DIMETHOXYPHENYL)-1,4-NAPHTHOQUINONE
Khokhlov, V. A.,Sladkov, V. I.,Kurkovskaya, L. N.,Kuleshova, E. F.,Anisimova, O. S.,Suvorov, N. N.
, p. 976 - 983 (2007/10/02)
The alkylation of the silver salt of 2-hydroxy-6,7-dimethoxy-3-(3,4-dimethoxyphenyl)-1,4-naphthoquinone by methyl, ethyl, butyl, or isopropyl halides leads to the formation of a mixture of isomeric 2-alkoxy-1,4- and 4-alkoxy-1,2-naphthoquinones.The isomer
