Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 156, Issue 1-3, Pages 77-82Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S1010-6030(02)00402-1
Keywords
chromenes; benzoannellated [2H]-benzopyrans; ferrocenyl; photochromism; hydrogen bonding; spectrokinetics
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The study of the photochromic behaviour of a series of 2-ferrocenyl-2-methyl[2H]-chromenes has shown original spectrokinetic properties: the broadening of the absorption spectrum of the photomerocyanines with the appearance of a second band in the visible area and also important kinetic modifications in polar protic solvents giving to this series of chromenes a special interest. From spectrokinetic results, a structure of photomerocyanines stabilised by polar and protic solvent such as alcohols could be proposed: (C) 2003 Elsevier Science B.V. All rights reserved.
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