[EN] INDUSTRIAL PROCESS OF MONO-ALKYLATING A PIPERIDINE NITROGEN IN PIPERIDINE DERIVATIVES WITH DEUTERATED-ALKYL [FR] PROCÉDÉ INDUSTRIEL DE MONOALKYLATION D'UN AZOTE DE PIPÉRIDINE DANS DES DÉRIVÉS DE LA PIPÉRIDINE AVEC UN ALKYLE DEUTÉRÉ
METHOD FOR INTRODUCING DEUTERATED LOWER ALKYL INTO AMINE MOIETY OF COMPOUND CONTAINING SECONDARY AMINE
申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:US20220127206A1
公开(公告)日:2022-04-28
The present invention relates to a method of mono-deuterated-lower-alkylating the amine part in a compound having an amine protected with an aralkyl, which comprises introducing mono-deuterated lower-alkyl into the amine with a deuterated-lower-alkylating agent under neutral or basic condition, and then deprotecting the aralkyl group.