D. Gnecco et al., The Zincke's reaction: A new alternative for the preparation of 1-[2-(3-indol)ethyl]alkylpyridinium chloride derivatives, SYN COMMUN, 29(2), 1999, pp. 281-287
The Zincke's salts 3 (a-f) were prepared and used for the synthesis of 1-[(
2-(3-indol)-ethyl]alkylpyridinium chloride derivatives 5 (a-f) in high yiel
ds.