A process for preparing N-alkenyl-amides by reacting the corresponding NH-amides with acetylenes in the liquid phase in the presence of basic alkali metal compounds and of a cocatalyst comprises using as the cocatalyst diols of the general formula (I)
1
where X
is branched or unbranched alkylene selected from the group consisting of
2
where R
1
to R
6
are independently hydrogen or C
1
- to C
4
-alkyl;
or
branched or unbranched cyclic alkylene of 3 to 14 carbon atoms including 3 to 12 ring carbon atoms,
their monoalkenyl ethers, their dialkenyl ethers or mixtures thereof.
一种制备N-烯基酰胺的方法,包括在液相中在碱性
金属化合物和辅催化剂的存在下,将相应的NH-酰胺与
乙炔反应,其中所述辅催化剂为通式(I)1的二醇,其中X是从2中选择的支链或直链烷基,所述2选自以下组:其中R1至R6独立地为氢或C1至C4烷基;或者3至14个碳原子的支链或直链环烷基,包括3至12个环碳原子,它们的单烯基醚,双烯基醚或其混合物。