Monomethyl ether derivatives of 7,8-dihydroxy- and 8,9-dihydroxy-4-propyl-1,2,3,4,4a,5,6,10b-octahydrobenzo[f]quinolines as possible products of metabolism by catechol-O-methyltransferase
作者:Joseph G. Cannon、Kathleen A. Walker、Antonio Montanari、John Paul Long、Jan R. Flynn
DOI:10.1021/jm00169a031
日期:1990.7
possible metabolites arising from in vitro action of catechol-O-methyltransferase upon 7,8-dihydroxy- and 8,9-dihydroxy-4-n-propyl-1,2,3,4,4a,5,6,10b-octahydrobenzo[f]quinolines (11, 12), all four possible monomethyl ether derivatives have been synthesized. Incubation of 11 and 12 with the enzyme revealed that the 8,9-dihydroxy positional isomer 12 (which contains the dopamine moiety held in the beta
为了促进鉴定由邻苯二酚-O-甲基转移酶对7,8-二羟基-和8,9-二羟基-4-正丙基-1,2,3,4,4a,5的体外作用产生的可能的代谢物,6,10b-八氢苯并[f]喹啉(11、12),已经合成了所有四种可能的单甲醚衍生物。用该酶孵育11和12后发现8,9-二羟基位置异构体12(包含保持在β构象中的多巴胺部分)但不包含7,8-二羟基异构体11(保持在alpha中的多巴胺部分)构象)是酶的底物。唯一可检测的产物12是8-羟基-9-甲氧基衍生物15,其中多巴胺部分的“间位”羟基被醚化。