Collect. Czech. Chem. Commun. 1990, 55, 185-192
https://doi.org/10.1135/cccc19900185

Distinction of 3-(N,N-dimethylamino)coumarin from hypothetic 2-(N,N-dimethylamino)-1,3-indanedione by infrared spectroscopy

Alexandr Perjéssya, Jana Donovalováb, Anton Gáplovskýb and Pavol Hrnčiara

a Department of Organic Chemistry, Comenius University, 842 15 Bratislava
b Institute of Chemistry, Comenius University, 842 15 Bratislava

Abstract

A detailed investigation of infrared spectra was used to distinguish the structure of 3-(N,N-dimethylamino)coumarin from the structure of hypothetic 2-(N,N-dimethylamino)-1,3-indanedione suggested earlier as the product of the reaction between salicylaldehyde, acetanhydride and betaine.