Methyl fluoroalkanoate as methyl-transferring reagent. Unexpected participation of BAl2 (SN2) mechanism in the reaction of methyl 2,3,3,3-tetrafluoro-2-methoxypropanoate with amines
In the reaction of methyl 2,3,3,3-tetrafluoro-2-methoxypropanoate with arylamines or arylmethylamines, an unexpected methyl transfer from the ester to the amine by the BAl2 (SN2) mechanism was observed leading to the corresponding N-methylamines under specific conditions. The reaction was accompanied by the formation of amides via BAc2 mechanism. The unexpected methyl transfer is highly dependent on
在2,3,3,3-四氟-2-甲氧基丙酸甲酯与芳基胺或芳基甲基胺的反应中,观察到通过B Al 2(S N 2)机理从酯到胺的意外甲基转移,导致相应的N-甲胺在特定条件下。该反应伴随着通过B Ac 2机理形成酰胺。意外的甲基转移高度依赖于起始胺的结构,并且由于不存在溶剂和高温而得到支持。