An ESR study of photochemical reactions of Co2（CO）6（PBu3）2 with quinones and phenothiazine
An ESR study of photochemical reactions of Co2（CO）6（PBu3）2 with quinones and phenothiazine作者机构：Lanzhou Institute of Chemical Physics Academia Sinica Lanzhou
出 版 物：《Chinese Journal of Chemistry》 (中国化学(英文版))
年 卷 期：1985年第3卷第2期
页 面：89-95页
主 题：Co ESR with quinones and phenothiazine CO
摘 要：The photochemical reactions of Co（CO）（PBu）with various quinones and phenothia-zine were studied by *** results indicate that the photolysis of Co（CO）（PBu）in the pre-sence of o-quinones led to the observation of an ESR spectrum,showing a broad 8 or 12 groups ofhyperfine lines due to interaction with cobalt （Co,I=7/2）.The results show that with o-quinonesthe cobalt radical adducts are formed via metal chelation to the carbonyl ***,whenCo（CO）（PBu）was irradiated in the presence of p-quinones,only the para-semiquinone radicalswere *** photolysis of Co（CO）（PBu）with phenothiazine in toluene yields pheno-thiazine *** sixteen and eighteen electrons rule have been used to account for these ob-servations.
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