16844-15-8Relevant academic research and scientific papers
Silver-Promoted (4 + 1) Annulation of Isocyanoacetates with Alkylpyridinium Salts: Divergent Regioselective Synthesis of 1,2-Disubstituted Indolizines
Chen, Yan,Shatskiy, Andrey,Liu, Jian-Quan,K?rk?s, Markus D.,Wang, Xiang-Shan
supporting information, p. 7555 - 7560 (2021/10/02)
An unprecedented silver-promoted regioselective (4 + 1) annulation of isocyanoacetates with pyridinium salts is reported. The established protocol provides controlled, facile, and modular access to a range of synthetically useful N-fused heterocyclic scaffolds containing indolizines, pyrrolo[1,2-a]quinolines, pyrrolo[2,1-a]isoquinolines, and 1H-imidazo[4,5-a]indolizin-2(3H)-ones. A mechanistic pathway involving nucleophilic addition/protonation/elimination/cycloisomerization is proposed.
Synthesis and Structure of Dithioester Stabilized Pyridinium Ylides
Alvarez-Builla, J.,Galvez, E.,Cuadro, A. M.,Florencio F.,Blanco, S. Garcia
, p. 917 - 926 (2007/10/02)
An improved procedure to prepare dithioester stabilized pyridinium ylides is described.The structure of the products is discussed.
