56807-27-3Relevant academic research and scientific papers
Synthesis of 2-thio derivatives of 4-phenyl-9H-pyrimido[4,5-b]indole
Borovik,Vasil'ev,Shkurko
, p. 1071 - 1076 (2006)
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
One-pot multi-component synthesis of pyrimido[4,5-b]indoles in solvent-free condition
Majumder, Swarup,Bhuyan, Pulak J.
, p. 993 - 996 (2014/08/05)
Pyrimido[4,5-b]indole derivatives 4 were synthesized from a one-pot three-component reaction of aryl aldehyde 1, oxindole 2 and urea/thiourea 3 in solvent-free condition using ytterbium(III) triflate as catalyst.
