STEREOSELECTIVE PHOTOINDUCED ELECTRON-TRANSFER OF ZINC MYOGLOBIN WITHOPTICALLY-ACTIVE VIOLOGENS

Authors
TSUKAHARA K KIMURA C KANEKO J HARA T
Citation
K. Tsukahara et al., STEREOSELECTIVE PHOTOINDUCED ELECTRON-TRANSFER OF ZINC MYOGLOBIN WITHOPTICALLY-ACTIVE VIOLOGENS, Chemistry Letters, (12), 1994, pp. 2377-2380
Citations number
16
Categorie Soggetti
Chemistry
Journal title
Chemistry Letters → ACNP
ISSN journal
03667022
Issue
12
Year of publication
1994
Pages
2377 - 2380
Database
ISI
SICI code
0366-7022(1994):12<2377:SPEOZM>2.0.ZU;2-P
Abstract
The excited triplet state of zinc myoglobin was preferentially quenche d by (S,S)-isomers of optically active viologens, is(1-phenylethylcarb amoylmethyl)-4,4'-bipyridinium (OAV(2+)) and 1-naphthyl)ethylcarbamoyl methyl)-4,4'-bipyridinium (NOAV(2+)) ions: k(q)((S,S)-)/k(q)((R,R)-) = 1.5 for NOAV(2+) and 1.3 for OAV(2+) at 25 degrees C and an ionic str ength of 0.02 mol dm(-3).