A study of chemical carcinogenesis. 19. Synthesis and mutagenicity of 5,11-dimethylchrysene and some methyl-oxidized derivatives of 5-methylchrysene
作者:Shantilal Amin、Stephen S. Hecht、Edmond LaVoie、Dietrich Hoffmann
DOI:10.1021/jm00197a011
日期:1979.11
compounds structurally related to the carcinogen and mutagen 5-methylchrysene (1) was synthesized and tested for mutagenicity toward S. typhimurium TA 100. The compounds prepared were 5,11-dimethylchrysene (2), 5-(hydroxymethyl)chrysene (3), 5-(acetoxymethyl)chrysene (4), 5-carbomethoxychrysene (5), 5-(hydroxymethyl)-1,2,3,4-tetrahydrochrysene (6), 5-carbomethoxy-1,2,3,4-tetrahydrochrysene (7), and 5H-chryseno[4
合成了一系列与致癌物和诱变剂5-甲基5-(1)相关的化合物,并测试了其对鼠伤寒沙门氏菌TA 100的致突变性。制备的化合物为5,11-二甲基ch(2),5-(羟甲基)ch( 3),5-(乙酰氧基甲基)丙烯(4),5-羧甲氧基丙烯(5),5-(羟甲基)-1,2,3,4-四氢丙烯(6),5-羧甲氧基-1,2,3,4 -四氢ch烯(7)和5H-ry烯[4,5-bcd]吡喃-5-酮(31)。当在大鼠肝匀浆存在下进行测试时,1和2具有活性,而3--7的致突变性低于1。31是高度致突变的。1和2的致突变性与5,12-二甲基丙烯的低活性形成鲜明对比,这支持一种普遍的观点,即有利于活性的结构要求是一个海湾区域甲基和一个自由的周围位置,两者都与未取代的角环相邻。3--7的低活性表明甲基氧化不是1的重要活化过程。这与以前的研究一致,在该研究中,将1的主要近致突变剂和致癌物鉴定为1,2-二氢-1,2-二羟基-5-甲基丙烯