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
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Add time:08/15/2019 Source:sciencedirect.com
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 the structure of the starting amine and is supported by the absence of solvent and high temperature.
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