Electrochemical fluorination of several 1,4-bis[(methoxycarbonyl)alkyl] substituted piperazines
作者:Takashi Abe、Hajime Baba、Irina Soloshonok
DOI:10.1016/s0022-1139(01)00357-8
日期:2001.5
Four piperazines, having bis[(methoxycarbonyl)alkyl] groups (CH2CH2C(O)OMe (1), CH(CH3)C(O)OMe (2), CH2CH(CH3)C(O)OMe (3) and CH(CH3)CH2C(O)OMe (4) at the 1- and 4-positions of the piperazine ring), were subjected to electrochemical fluorination (ECF). Two bis[(methoxycarbonyl)alkyl] derivatives of N,N′-dimethylethylenediamine (molecular formulae: MeO(O)CH2CH2N(CH3)CH2CH2N(CH3)CH2CH2C(O)OMe (5)
四个哌嗪,具有双[(甲氧基羰基)烷基]基团(CH 2 CH 2 C(O)OME(1),CH(CH 3)C(O)OME(2),CH 2 CH(CH 3)对C(O)OMe(3)和CH(CH 3)CH 2 C(O)OMe(4)在哌嗪环的1和4位进行电化学氟化(ECF)。N,N'-二甲基乙二胺的两个双[(甲氧羰基)烷基]衍生物(分子式:MeO(O)CH 2 CH 2 N(CH 3)CH 2 CH 2 N(CH 3)CH 2 CH 2 C(O)OMe(5)和MeO(O)CH(CH 3)CH 2 N(CH 3)CH 2 CH 2 N(CH 3)CH 2 CH(CH 3)C(O) OMe](6))也进行了类似的氟化以用于比较研究。上哌嗪衍生物(ECF的1 - 4),[全氟烷基(氟羰基)]形成基团具有双相应perfluoropiperazines,而底物的ECF 5和6仅提供降解的产品。含有全氟哌