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Bischler-Napieralski cyclocondensation in the synthesis of new 11H-pyrimido[4,5-b][1,4]benzodiazepines
Authors:Justo Cobo  Manuel Nogueras  Ricaurte Rodríguez
Institution:a Departamento de Química Inorgánica y Orgánica, Universidad de Jaén, 23071 Jaén, Spain
b Department of Chemistry, University of Aberdeen, Old Aberdeen, AB24 3UE Scotland, UK
c Departamento de Química, Universidad Nacional de Colombia, Bogotá AA 14490, Colombia
Abstract:A synthetic strategy based on nitrosation-aminolysis-nitroso reduction and Bischler-Napieralski cyclocondensation has been developed for the synthesis of a family of 2-amino-4-methoxy-11H-pyrimido4,5-b]1,4]benzodiazepines.
Keywords:Bischler-Napieralski cyclocondensation  Pyrimidobenzodiazepines  Nitrosation  2-Aminopyrimidines  Aminolysis
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