AN ENDOR STUDY OF THE CANTHAXANTHIN CATION-RADICAL IN SOLUTION

Authors
PIEKARASADY L JEEVARAJAN AS KISPERT LD
Citation
L. Piekarasady et al., AN ENDOR STUDY OF THE CANTHAXANTHIN CATION-RADICAL IN SOLUTION, Chemical physics letters, 207(2-3), 1993, pp. 173-177
Citations number
15
Categorie Soggetti
Physics, Atomic, Molecular & Chemical
Journal title
Chemical physics letters → ACNP
ISSN journal
00092614
Volume
207
Issue
2-3
Year of publication
1993
Pages
173 - 177
Database
ISI
SICI code
0009-2614(1993)207:2-3<173:AESOTC>2.0.ZU;2-Q
Abstract
The cation radical of canthaxanthin was generated electrochemically in dichloromethane and its solution ENDOR spectrum is reported for the f irst time. The isotropic proton hyperfine coupling constants are in re asonable agreement with those calculated by RHF-INDO/SP molecular orbi tal methods for a planar all-trans-polyene conformation. Proton coupli ngs less than 1.1 MHz were not detected due in part to incomplete hype rfine separation and chemical exchange processes.