Selective O-acylation of aromatic hydroxylamines by 2-acylimidazolium and 2-acylbenzimidazolium salts
摘要:
2-Acyl 1,3-dimethylbenzimidazolium and 2-acyl 1,3-dimethylimidazolium salts react with N-aromatic hydroxylamines in the presence of base to give the O-acyl derivatives.
SYNTHESIS AND CHARACTERIZATION OF ADENOSINE ADDUCTS OF ARYLAMINES
作者:N. V. Anil Kumar、K. Mantelingu、K. S. Rangappa
DOI:10.1081/ncn-120014818
日期:——
Aromatic amines and nitroarenes are very important industrial intermediates. Several scientists ([1,2]) have extensively studied the covalent binding of a number of aromatic amines to DNA and identified various products by studying in vivo and in vitro reactions of esters of aryl hydroxylamine.([3]) Aromatic amines can be metabolised to highly reactive N-hydroxy aromatic amines. These are highly reactive intermediates which are responsible for the genotoxic effects of this class of compounds. DNA adducts of arylamines have been found in several organs of exposed experimental animals. With the advancement in analytical technique, scientists have quantified the DNA adducts of arylamines in human tissue. Therefore, the reference standards of DNA adducts have been synthesized. The deoxyguanosine adducts of arylamines by synthesis are known([4-7]) but not the adenosine adducts. Hence, this study of the reaction of arylamines with adenosine is undertaken.