2-BENZOPYRYLIUM SALTS. 34. REACTIONS OF 3-CARBOXY-2-BENZOPYRYLIUM SALTS WITH AMINES. SYNTHESIS OF CYCLIC KETOLS

DOI: 10.1007/BF00480747

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Chemistry of Heterocyclic Compounds p. 375 - 380 (1989)

Update date:2022-07-30

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Authors:

Zhdanov, Yu. A.

Brovchenko, V. G.

Klyuev, M. A.

Kuznetsov, E. V.

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Article abstract of DOI:10.1007/BF00480747

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

Full text of DOI:10.1007/BF00480747

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