The Character of Photochemical Conversions of 2,3-Substituted-1,4-Naphthoquinones in Solution from the Standpoint of their Molecular and Crystal Structure

S. M. Aldoshin Institute of Chemical Physics in Chemogolovka, Russian Acad. Sci., Chernogolovka, Moscow r-n, 142432, Russia

I. I. Chuev Institute of Chemical Physics in Chemogolovka, Russian Acad. Sci., Chernogolovka, Moscow r-n, 142432, Russia

O. S. Filiponko Institute of Chemical Physics in Chemogolovka, Russian Acad. Sci., Chernogolovka, Moscow r-n, 142432, Russia

M. A. Novozhilova Institute of Chemical Physics in Chemogolovka, Russian Acad. Sci., Chernogolovka, Moscow r-n, 142432, Russia

V. S. Nedzvetski Institute of Chemical Physics in Chemogolovka, Russian Acad. Sci., Chernogolovka, Moscow r-n, 142432, Russia

Abstract

An X-ray analysis of 2,3-substituted-1,4-naphthoquinones has been performed. On the basis of obtained data the structure factors causing the photoactivity of the investigated compounds has been determined. The study of photochemistry of these compounds in ethanol in common with quantum-chemical calculations (INDO/S, MNDO) has made it possible to suggest a mechanism of photoconversion for these compounds in solution connected with hydrogen atoms elimination and further synchronous cycle closure.

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The Character of Photochemical Conversions of 2,3-Substituted-1,4-Naphthoquinones in Solution from the Standpoint of their Molecular and Crystal Structure

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The Character of Photochemical Conversions of 2,3-Substituted-1,4-Naphthoquinones in Solution from the Standpoint of their Molecular and Crystal Structure

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