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Spectral-luminescence properties and acid-base properties of luminophores obtained from 3-iodo-7-dialkylaminocoumarins

✍ Scribed by M. A. Kirpichënok; N. S. Patalakha; L. Yu. Fomina; I. I. Grandberg


Publisher
Springer US
Year
1991
Tongue
English
Weight
510 KB
Volume
27
Category
Article
ISSN
0009-3122

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Spectral-luminescence and acid-base prop
✍ L. A. Karandashova; M. A. KirpichËnok; D. S. Yufit; Yu. T. Struchkov; I. I. Gran 📂 Article 📅 1990 🏛 Springer US 🌐 English ⚖ 581 KB

The absorption and luminescence spectra of a series of 4,7-diaminocoumarins have been investigated in ethanol and acetonitrile solution. The pkJ and pkJ 1 values for several of the compounds have been measured. It has been found that the site of primary protonation is the nitrogen atom in the 7-posi