891828-60-7Relevant articles and documents
A facile synthesis of substituted 1,8-naphthyridines based on the aza-Wittig/electrocyclic ring closure strategy
Veiga, Carmen,Ma Quintela, Jose,Peinador, Carlos,Chas, Marcos,Fernandez, Antonio
, p. 295 - 306 (2006)
Several new 1,8-naphthyridine derivatives (7) and (8) has been synthesized via an aza-Wittig reaction. Iminophosphoranes, 2-ethoxy-3-cyano-5-(2-ethoxycarbonyl)-4-phenyl-6-[(triphenylphosphoranilidene)aminolpyiridine (4) and 2-ethoxy-3-cyano-5-(2-cyanoviny