FULGENOLIDES - THERMALLY IRREVERSIBLE PHOTOCHROMIC LACTONES WITH LARGE QUANTUM YIELDS OF PHOTOREACTIONS

Authors
YOKOYAMA Y SERIZAWA T SUZUKI S YOKOYAMA Y KURITA Y
Citation
Y. Yokoyama et al., FULGENOLIDES - THERMALLY IRREVERSIBLE PHOTOCHROMIC LACTONES WITH LARGE QUANTUM YIELDS OF PHOTOREACTIONS, Chemistry Letters, (1), 1995, pp. 17-18
Citations number
7
Categorie Soggetti
Chemistry
Journal title
Chemistry Letters → ACNP
ISSN journal
03667022
Issue
1
Year of publication
1995
Pages
17 - 18
Database
ISI
SICI code
0366-7022(1995):1<17:F-TIPL>2.0.ZU;2-3
Abstract
Three new photochromic lactones closely related to an indolylfulgide w ere synthesized, While the lactones with the carbonyl group adjacent t o the isopropylidene group have large quantum yields of photoreactions , the isomer with the carbonyl adjacent to the indolylethylidene group showed poor photochromic properties. The absorption maxima of the col ored forms of the lactones are shorter than that of the indolylfulgide .