139243-12-2Relevant articles and documents
Westphal Condensation of N-Aminocycloiminium Salts. Synthesis of Fused Pyridazinium Derivatives
Matia, Maria P.,Garcia-Navio, Jose L.,Vaquero, Juan J.,Alvarez-Builla, Julio
, p. 777 - 780 (2007/10/02)
A series of α-alkyl-N-aminoazinium and -azolium salts 1-15 have been condensed with 1,2-dicarbonyl compounds to produce new heterocyclic cationic species 17-25 with a quaternary nitrogen atom in the bridgehead position.Key Words: Westphal condensation / N