Dual Stimulatory and Inhibitory Effects of Fluorine-Substitution on Mutagenicity: An Extension of the Enamine Epoxide Theory for Activation of the Quinoline Nucleus.
作者:Ken-ichi SAEKI、Hiroshi KAWAI、Yutaka KAWAZOE、Atsushi HAKURA
DOI:10.1248/bpb.20.646
日期:——
Nineteen mono- and di-fluorinated derivatives of quinoline, 1, 7-phenanthroline, 1, 10-phenanthroline, benzo-[h]quinoline, and benzo[f]quinoline were subjected to analysis of their structure-mutagenicity relationships. For this purpose, six new fluorinated derivatives were synthesized. The results support that the enamine epoxide structure of the pyridine moiety, as well as the bay-region epoxide structure, is responsible for mutagenicity. Formation of K-region epoxides might involve a detoxification process rather than mutagenic activation.
对19种单氟和双氟化的喹啉、1,7-苯并吡啶、1,10-苯并吡啶、苯并[h]喹啉和苯并[f]喹啉的衍生物进行了其结构-致突变性关系的分析。为此,合成了六种新的氟化衍生物。结果支持吡啶部分的烯胺环氧结构以及湾区环氧结构与致突变性有关。K区环氧的形成可能涉及解毒过程,而不是致突变活化。