68979-02-2Relevant articles and documents
CONDENSATION OF VILSMEIER COMPLEXES WITH HETEROCYCLIC COMPOUNDS. SYNTHESIS OF CARBOCYANINES
Makin, S. M.,Pomogaev, A. I.
, p. 1916 - 1918 (2007/10/02)
Carbocyanine dyes are formed in the reaction of the quaternary salts of heterocyclic bases containing an active methyl group with the complexes of carboxamides and phosphorus oxychloride.A series of carbocyanines were synthesized, including those containing various substituents at the meso position of the trimethine chain.