Thermally irreversible photochromic systems. Reversible photocyclization of 1,2-bis(thiazolyl)perfluorocyclopentenes

Article abstract of DOI:10.1016/S0040-4020(98)00330-5

Diarylethenes having thiazole rings, 1,2-bis(thiazol-4'- yl)perfluorocyclopentenes and 1,2-bis(thiazol-5'-yl)perfluorocyclopentences, were synthesized. The binding positions of the thiazole rings to the perfluorocyclopentene moiety strongly affected the a