Radical cations of benzo[α]pyrene and 6-substituted derivatives: reaction with nucleophiles and DNA
作者:D. E. Stack、P. Cremonesi、A. Hanson、E. G. Rogan、E. L. Cavalieri
DOI:10.3109/00498259509061890
日期:1995.1
1. Oxidation of benzo[a]pyrene (BP) by I2 in the presence of AgClO4 in benzene generates the BP.+ClO4-.AgI complex. This same method was used to produce radical cations from 6-FBP, 6-ClBP, 6-BrBP and 6-CH3BP. 2. Reaction of the BP, 6-FBP, 6-ClBP and 6-BrBP radical cation perchlorates with H2O produced BP 1,6-, 3,6- and 6,12- dione, whereas 6-CH3BP.+ClO4-.AgI yielded 6-CH2OHBP. 3. When BP.+ClO4-.AgI
1.在AgClO4在苯中的存在下,I2氧化苯并[a] py(BP),生成BP。+ ClO4-.AgI复合物。使用相同的方法由6-FBP,6-ClBP,6-BrBP和6-CH3BP产生自由基阳离子。2.BP,6-FBP,6-ClBP和6-BrBP自由基阳离子高氯酸盐与H 2 O反应生成BP 1,6-,3,6-和6,12-二酮,而6-CH3BP。+ ClO4-。 AgI产生6-CH 2 OHBP。3.当BP。+ ClO4-.AgI和6-FBP。+ ClO4-.AgI与NaOAc在H2O / CH3CN(9:1)中反应时,除醌外,还形成了6-OAcBP。在6-ClBP。+ ClO4-.AgI的情况下,除了二酮以外,还形成少量的1-OAc-6-ClBP和3-OAc-6-ClBP,而对于6-BrBP和6-CH3BP反应产物分别为BP二酮和6-CH 2 OHBP。4.这些结果证实了电荷在BP。+中位于