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Synthesis, Fluorescence, and Photostabilities of 3‐(Perfluoroalkyl)coumarins
Author(s) -
Matsui Masaki,
Shibata Katsuyoshi,
Muramatsu Hiroshige,
Sawada Hideo,
Nakayama Masaharu
Publication year - 1992
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19921250226
Subject(s) - chemistry , bathochromic shift , regioselectivity , fluorescence , coumarin , photochemistry , organic chemistry , medicinal chemistry , catalysis , physics , quantum mechanics
Abstract The regioselective reaction of coumarins 1 with bis(perfluo‐roalkanoyl) peroxides affords 3‐(perfluoroalkyl)coumarins 2 in moderate yields. The absorption and emission maxima of coumarins 2 show bathochromic shifts compared with the 3‐unsubstituted coumarins. The fluorescence intensities of 3‐(perfluoroalkyl)coumarins 2 are smaller than those of the 3‐unsubstituted ones. However, the photostabilities of coumarins 2 are higher than those of the 3‐unsubstituted ones.