135370-43-3Relevant academic research and scientific papers
ACID-CATALYZED ACYLATION OF 4-ALKYL-3-AZAPYRYLIUM SALTS AND THE SYNTHESIS OF 4-ACYLAMINOPYRYLIUM SALTS
Shibaeva, N. V.,Borodaev, S. V.,Yudilevich, I. A.,Knyazev, A. P.,Dubonosov, A. D.,et al.
, p. 219 - 223 (2007/10/02)
4-Alkyl-3-azapyrylium salts undergo acylation at the alkyl group under acid-catalyzed conditions to give 4-acylmethyl-3-azapyrylium derivatives, which upon heating in proton-donating solvents recyclize to give 4-acylaminopyrylium salts.
