ν-Triazolines. Part 41.1 A new synthesis of 2-alkylquinazolines and 2,9-dialkylpyrimido[4,5-b]indoles
Abstract
2-Alkylquinazolines were obtained from amidines by reaction with ammonia. The synthesis has been applied to the preparation of 2,9-dialkylpyrimido[4,5-b]indoles, in a one pot reaction, from 1-alkyl-2-azidoindole-3-carbaldehydes, a secondary amine and aldehydes and reaction with ammonia.