Interaction between hypocrellin and aliphatic amines

被引：0
|
作者：
Zhang, MH [1 ]
Chen, S [1 ]
Xia, WL [1 ]
Jiang, LJ [1 ]
Chen, DW [1 ]
机构：
[1] CHINESE ACAD SCI,INST CHEM,BEIJING 100080,PEOPLES R CHINA
来源：
SCIENCE IN CHINA SERIES B-CHEMISTRY | 1996年 / 39卷 / 06期
关键词：
hypocrellin (HA and HB); semiquinone radical anion; aliphatic amines; ESR; nanosecond time-resolved transient absorption;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The interaction of hypocrellin, including hypocrellin A (HA) and hypocrellin B (HB), with aliphatic amines in deaerated solutions has been studied by ESR and nanosecond transient absorption spectra In polar solvents, the add-base interaction between hypocrellin and amines was observed without irradiation. The signals of semiquinone radial anions of hypocrellin and the spin-trapping adduct of alpha-phenyl-N-tertbutylnitrone (PNB) with the aminoalkyl radicals have been detected in photoinduced ESR studies. The transient absorption of excited triplet state of HA and semiquinone radial anion of HA have been observed in laser flash photolysis studies.
引用
收藏
页码：568 / 576
页数：9
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