The preparation of .alpha.-(n,n-dialkyl)-amino (sic)...

Details The preparation of .alpha.-(n,n-dialkyl)-amino (sic)... The preparation of .alpha.-(n,n-dialkyl)-amino (sic)...

C - Chemistry, Metallurgy

07

K

C07K 1/10 (2006.01) C07C 231/02 (2006.01) C07C 237/02 (2006.01) C07C 279/14 (2006.01) C07C 323/60 (2006.01) C07D 209/20 (2006.01) C07D 233/64 (2006.01) C07K 1/08 (2006.01) C07K 7/06 (2006.01)

Patent

CA 2223872

The description relates to a process for producing .alpha.-(N,N dialkyl)-amino carboxylic acid amides of formula (I) in which the constituents have the meanings given, in which the corresponding free acids are reacted with primary or secondary amines in the presence of anhydrides of an alkane phosphonic acid.

L'invention concerne un procédé de préparation de .alpha.-(N,N-dialkyle)-amides d'acide aminocarboxylique de la formule (I) dans laquelle les substituants ont la notation mentionnée. Ce procédé se caractérise en ce qu'on fait réagir les acides libres correspondants avec des amines primaires ou secondaires en présence d'anhydrides d'un acide phosphonique d'alcane.

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