2-alkoxycarbonylcycloimmonium ylides, efficient 1,4-dipole equivalents in the synthesis of new conjugated betaines

DOI: 10.1016/S0040-4020(01)89900-2

Source and publish data:

Tetrahedron p. 3185 - 3192 (1993)

Update date:2022-09-26

Topics:

Authors:

Cuadro Cuadro

Valenciano j.

Vaquero Vaquero

Garcia Navio

Alvarez-Builla

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Article abstract of DOI:10.1016/S0040-4020(01)89900-2

Several heterocyclic mesomeric betaines containing the bicyclic systems pyrido[1,2-a]pyrazine and pyrido [2,1-f][1,2,4]triazine have been prepared by reaction of 2-alkoxycarbonyl pyridinium N-ylides with phenyl isocyanate and isothiocyanate.

Full text of DOI:10.1016/S0040-4020(01)89900-2

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