| 摘要 |
PCT No. PCT/EP96/03075 Sec. 371 Date Jan. 20, 1998 Sec. 102(e) Date Jan. 20, 1998 PCT Filed Jul. 12, 1996 PCT Pub. No. WO97/05096 PCT Pub. Date Feb. 13, 1997A process for preparing alpha -(N,N-dialkylamino) carboxamides of the formula I where the substituents have the stated meanings, comprises reacting the corresponding free acids with primary or secondary amines in the presence of anhydrides of an alkanephosphonic acid.
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