126325-08-4Relevant academic research and scientific papers
2-BENZOPYRYLIUM SALTS. 34. REACTIONS OF 3-CARBOXY-2-BENZOPYRYLIUM SALTS WITH AMINES. SYNTHESIS OF CYCLIC KETOLS
Zhdanov, Yu. A.,Brovchenko, V. G.,Klyuev, M. A.,Kuznetsov, E. V.
, p. 375 - 380 (2007/10/02)
3-Carboxy-2-benzopyrylium salts form 3-carboxyisoquinolinium salts, their decarboxylated analogs, or products of contraction of the heterocycle, namely, cyclic ketols, depending on the nature of the amine and solvent.Upon treatment with acids, these ketol
