Synthesis and structure of indoline spiropyrans based on benzo[f]coumarin

被引：2
|
作者：
Nikolaeva, O. G. [1 ]
Karlutova, O. Yu. [1 ]
Guseva, A. A. [1 ]
Gaeva, E. B. [1 ]
Starikov, A. G. [1 ]
Dubonosov, A. D. [2 ]
Bren, V. A. [1 ]
Metelitsa, A. V. [1 ]
Minkin, V. I. [1 ]
机构：
[1] Southern Fed Univ, Inst Phys & Organ Chem, 194-2 Prosp Stachki, Rostov Na Donu 344090, Russia
[2] Russian Acad Sci, Southern Sci Ctr, Fed Res Ctr, 41 Prosp Chekhova, Rostov Na Donu 344006, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2020年 / 69卷 / 07期
关键词：
spiropyrans; benzo[f]coumarin; merocyanine; quantum chemical calculations; PHOTOCHROMIC SPIROPYRANS; FLUORESCENCE PROPERTIES; COUMARIN; DERIVATIVES;
D O I：
10.1007/s11172-020-2912-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Indoline spiropyrans containing benzo[f]coumarin moiety annulated to the 2H-pyran cycle were synthesized. The obtained compounds exist in solutions as a tautomeric mixture of their spirocyclic and merocyanine forms. The spiro form exhibits an enhanced resistance to UV irradiation and does not rearranges into the merocyanine isomer in the temperature range of 278-303 K.
引用
收藏
页码：1378 / 1384
页数：7
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