J. Hlavatý, J. Volke, O. Manoušek
May 25, 1975
Citations
0
Influential Citations
5
Citations
Journal
Journal of Electroanalytical Chemistry
Abstract
Abstract 2-Nitro-2′-isothiocyanatobiphenyl was prepared as a new substance, suitable for the investigation of an electrochemically initiated intramolecular cyclization. If it is reduced at a mercury cathode in acidic media an acid catalysed intramolecular follow-up reaction occurs which leads to the formation of 6-mercaptodibenzo ( d, f )-(1,3)-diazepin-5-oxide. The rate of the follow-up reaction decreases in neutral or alkaline media and the reduction of the isothiocyanato group also takes place. The main product is here 5,6-dihydrobenzo( c )cinnoline.