173065-29-7Relevant articles and documents
Synthetic Application of Vinyliminophosphoranes Based on the Reactivity of the Vinyl Side Chain. Preparation of Dihydropyridines
Molina, Pedro,Pastor, Aurelia,Vilaplana, Maria Jesus
, p. 8283 - 8286 (1995)
New reactions of vinyliminophosphoranes with aldehydes involving an initial nucleophilic attack of the β-carbon atom of the vinyl side chain on the carbonylic carbon atom is reported.The resulting betaines undergo either intra- or intermolecular cyclization to give pyridines or dihydropyridines.