Synthesis and biological activity of bay-region metabolites of a cyclopenta-fused polycyclic aromatic hydrocarbon: benz[j]aceanthrylene
作者:R. Sangaiah、Avram Gold、K. O. Newcomb、L. M. Ball
DOI:10.1021/jm00106a010
日期:1991.2
aromatic hydrocarbon with a peripherally fused cyclopenta ring) benz[j]aceanthrylene (1) was investigated by synthesis and bioassay of the bay-region metabolites trans-9,10-dihydroxy-9,10-dihydrobenz[j]aceanthrylene (4), trans-9,10-dihydroxy-anti-7,8-epoxy-7,8,9,10-tetrahydrobenz[j]a ceanthrylene (2), and 9,10-dihydrobenz[j]aceanthrylene 9,10-oxide (3). The known 1,2-dihydrobenz[j]aceanthrylene-9,10-dione
通过湾区代谢产物trans-9,10-dihydroxy-的合成和生物分析,研究了环戊区PAH(具有周围稠合的环戊环的多环芳烃)苯并[j]乙炔的湾区活化的可能性。 9,10-二氢苯并[j]乙炔(4),反式9,10-二羟基-抗7,8-环氧-7,8,9,10-四氢苯并[j] a,蒽(2)和9, 10-二氢苯并[j]乙炔9,10-氧化物(3)。已知的1,2-二氢苯并[j]乙炔-9,10-二酮(5)是通过公开的方法获得的。然而,直接到达目标二氢二醇4的途径是将饱和的5元环5脱氢,然后再用NaBH4还原,得到的四氢产物污染的4的收率很低。通过将5还原为相应的四氢二醇,二醇的二乙酰化,可以得到4的合格收率。然后将五元环脱氢,再经碱催化的脱乙酰基化为4。通过间氯过氧苯甲酸氧化4生成抗二酚环氧化合物2。通过在NaOH中处理4的单甲苯磺酸酯来合成氧化物3。在没有代谢激活的情况下,二醇环氧化物2是鼠伤寒沙门氏