The syntheses of the new compounds (7-chloroquinolin-4-yl)(2-dimethylaminomethylruthenocen-1-ylmethyl)amine 3 and N-(7-chloroquinolin-4-yl)-Nâ²-(2-dimethylaminomethylruthenocen-1-ylmethyl)ethane-1,2-diamine 5 are reported. The reactions are compared to those previously reported for the preparation of the ferrocene analogues. The key step in the reaction is the regioselective synthesis of 2-dimethylaminomethylruthenocene carboxaldehyde 10 by deprotonation of dimethylaminomethylruthenocene with t-BuLi in diethyl ether, followed by the addition of DMF. In addition, 1â²-dimethylaminomethylruthenocene carboxaldehyde 11 was also prepared leading to the unexpected synthesis of the 1,1â²-isomers (7-chloroquinolin-4-yl)(1â²-dimethylaminomethylruthenocen-1-ylmethyl)amine 17 and N-(7-chloroquinolin-4-yl)-Nâ²-(1â²-dimethylaminomethylruthenocen-1-ylmethyl)ethane-1,2-diamine 18. X-Ray crystal and molecular structures for compounds 3 and 17·H2O are reported. The 4-aminoquinoline complexes show high efficacy against the chloroquine sensitive and resistant strains of the Plasmodium falciparum parasite in vitro; these results are compared with those obtained for the analogous ferrocene compounds.
报道了新化合物 (
7-氯喹啉-4-基)(2-
二甲氨基甲基
钌烯-1-基
甲胺) 3 和 N-(
7-氯喹啉-4-基)-N'-(2-
二甲氨基甲基
钌烯-1-基
甲胺)
乙烯-1,2-二胺 5 的合成。将这些反应与之前报告的类
铁烯化合物的制备进行了比较。反应的关键步骤是通过在二
乙醚中用 t-BuLi 去质子化
二甲氨基甲基
钌烯,选择性合成 2-
二甲氨基甲基
钌烯羧醛 10,随后加入
DMF。此外,还制备了 1'-
二甲氨基甲基
钌烯羧醛 11,意外合成了 1,1'-同分异构体 (
7-氯喹啉-4-基)(1'-
二甲氨基甲基
钌烯-1-基
甲胺) 17 和 N-(
7-氯喹啉-4-基)-N'-(1'-
二甲氨基甲基
钌烯-1-基
甲胺)
乙烯-1,2-二胺 18。报道了化合物 3 和 17·
H2O 的 X 射线晶体和分子结构。
4-氨基喹啉配合物在体外对
青蒿素敏感和耐药型的恶性疟原虫菌株表现出高效性;这些结果与类
铁烯化合物的结果进行了比较。