There are described 4-aminobut-2-ynecarboxylic acid derivatives of formula
1
wherein
R
1
and R
2
are each independently of the other hydrogen, C
1
-C
20
alkyl; C
3
-C
12
cycloalkyl; un-substituted or C
1
-C
5
alkyl-, C
3
-C
12
cycloalkyl-, C
1
-C
5
alkoxy-, C
3
-C
12
cycloalkoxy-, halo-, oxo-, carboxy-, carboxy-C
1
-C
7
alkyl ester-, carboxy-C
3
-C
12
cycloalkyl ester-, cyano-, trifluoromethyl-, pentafluoroethyl-, amino-, N,N-mono- or di-C
1
-C
20
alkylamino- or nitro-substituted phenyl, phenyl-C
1
-C
5
alkyl, naphthyl and naphthyl-C
1
-C
5
alkyl; and R
3
is C
1
-C
20
alkyl; C
3
-C
12
cycloalkyl.
The compounds exhibit a pronounced activity against gram-positive and gram-negative bacteria, and also against yeasts and moulds.
描述了式1的4-
氨基丁-2-炔
羧酸衍
生物,其中R1和R2各自独立地为氢、C1-C20烷基、C3-C12环烷基、未取代或C1-C5烷基、C3-C12环烷基、C1-C5烷氧基、C3-C12环烷氧基、卤素、氧代、羧基、羧基-C1-C7烷基酯基、羧基-C3-C12环烷基酯基、
氰基、三
氟甲基、五
氟乙基、
氨基、N,N-一或二-C1-C20烷基
氨基或硝基取代的苯基、苯基-C1-C5烷基、
萘基和
萘基-C1-C5烷基;R3为C1-C20烷基、C3-C12环烷基。这些化合物对革兰氏阳性和阴性细菌、酵母菌和霉菌具有显著的活性。