SYNTHESIS AND STUDY OF THE PHOTOCHROMIC BEHAVIOR OF SUBSTITUTED 6'-NITRO-1,3,3-TRIMETHYL-5-VINYLSPIRO(INDOLINO-2,2'-[2H]CHROMENES)

SYNTHESIS AND STUDY OF THE PHOTOCHROMIC BEHAVIOR OF SUBSTITUTED 6'-NITRO-1,3,3-TRIMETHYL-5-VINYLSPIRO(INDOLINO-2,2'-[2H]CHROMENES)

Few 5-vinyl substituted 6’-nitro-1,3,3-trimethylspiro(indolino-2,2’-[2H]chromenes) (6’-nitro-spiropyrans) were synthesized by a one-step method from 5-formyl precursor – 5-formyl-6’-nitro-1,3,3-trimethylspiro(indolino-2,2’- [2H]chromene) (1). 5-Vinyl-6’-nitro-spiropyran (2) was prepared by the Witti...

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Bibliographic Details
Main Authors: A. V. Laptev, A. Yu. Lukin, N. V. Belikov, O. V. Demina, S. D. Varfolomeev, V. A. Barachevsky, A. A. Khodonov, V. I. Shvets
Format: Article
Language:Russian
Published: MIREA - Russian Technological University 2013-08-01
Series:Тонкие химические технологии
Subjects:
spiropyrans, photochromism, vinilogs, ch-acid, olefination reaction, photochromic label.
Online Access:https://www.finechem-mirea.ru/jour/article/view/565
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