2-Hydroxyimino-1,3-indandione Salts with Ammonia and Amines
Open Access
- 1 April 1990
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 45 (4) , 543-546
- https://doi.org/10.1515/znb-1990-0420
Abstract
The preparation, structure and spectral characteristics of intensely colored salts of 2-hydroxyimino-1,3-indandione with ammonia and amines are described. The crystallization of the salts takes place with a high yield. All the salts fluoresce in DMSO. MNDO calculations show that the formation of an anion from 2-hydroxyimino-1,3-indandione is associated with substantial alterations in the nitroso group.Keywords
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