108180-91-2Relevant articles and documents
2-Methylpyridinium Salts as 1,4-Dinucleophiles. II. Westphal Condensation with Substituted Pyridinium Substrates
Ezquerra, J.,Alvarez-Builla, J.
, p. 1151 - 1157 (2007/10/02)
Condensation of α-methylpyridinium, quinolinium and isoquinolinium salts with 1,2-dicarbonyls in the presence of base, yielded quinolizinium derivatives.In an analogous process, α-benzyl derivatives produced 2,3-dihydroindolizin-2-ones by intramolecular c