Synthesis of 2-thio derivatives of 4-phenyl-9H-pyrimido[4,5-b]indole
The reaction of 3-benzylidene-2-ethoxyindolenine tetrafluoroborate with thiourea gives a mixture of 4-phenylpyrimido[4,5-b]indole-2(1H)-thione, its 3,4-dihydro derivative, and the corresponding disulfide, the product ratio depending on the reaction condit
Borovik,Vasil'ev,Shkurko
p. 1071 - 1076
(2008/02/01)
Synthesis of functional 2-substituted 4-phenyl-9H-pyrimido[4,5-b]indoles
A method was developed for the synthesis of 2-oxo-4-phenyl-2,3-dihydro-9H-pyrimido[4,5-b]indole as well as of 2-chloro- and 2-nitramino-4-phenylpyrimido[4,5-b]indoles. The replacement of the chlorine atom in 2-chloropyrimidoindole gave rise to a number of
Borovik,Shkurko
p. 2129 - 2133
(2007/10/03)
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