Abstract
We present the results of the investigation of the spectral-luminescent properties of some 8-azasteroids and model compounds in ethanol solution. The absorption and luminescence spectra of these molecules have been investigated. It is shown that all the compounds under investigation have common absorption and phosphorescence spectra that are close to the corresponding spectra of the related enaminodycarbonyl compounds. The results obtained allow to conclude that the main channel of singlet state deactivation is the intersystem crossing. It has been found that the 8-azasteroids are unstable under laser irradiation.
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