141514-78-5Relevant articles and documents
An efficient one-pot synthesis of pyrrolo[4,3,2-ij]isoquinoline derivatives by a consecutive aza-wittig/electrocyclic ring-closure/intramolecular acylation process
Molina,Alajarin,Vidal
, p. 293 - 296 (2007/10/02)
Iminophosphorane, ethyl 5-ethoxycarbonyl-2-methoxy-α-[(triphenylphosphoranylidene)amino]cinn amate (4) reacts with aliphatic and aromatic isocyanates in toluene at 170°C to give directly the corresponding pyrrolo[4,3,2-ij]isoquinolines 8 in moderate yields.