PHOTOCHROMIC HETEROCYCLIC FULGIDES .7. (E)-ADAMANTYLIDENE-[1-(2,5-DIMETHYL-3-FURYL)ETHYLIDENE]SUCCINIC ANHYDRIDE AND DERIVATIVES - MODEL PHOTOCHROMIC COMPOUNDS FOR OPTICAL-RECORDING MEDIA

被引:46
作者
GLAZE, AP [1 ]
HELLER, HG [1 ]
WHITTALL, J [1 ]
机构
[1] UNIV WALES COLL CARDIFF,SCH CHEM & APPL CHEM,POB 912,CARDIFF CF1 3TB,WALES
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1992年 / 04期
关键词
D O I
10.1039/p29920000591
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The thermally-stable coloured form 5a, obtained by irradiation (lambda = 366 nm) of the title compound 4a, contains a rigid inflexible spiroadamantylidene group which results in a five- to nine-fold increase in the quantum efficiency for bleaching compared to the analogous compound 2 having methyl groups in the 7-position. The quantum efficiency for bleaching decreases with increasing wavelength of irradiation and increases with increasing temperature in a linear manner, and is solvent dependent.
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页码:591 / 594
页数:4
相关论文
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