The use of hydroxyphenyl-1,3-propanediones of formula
wherein
R1 and R2are each independently of the other hydrogen, C1-C12alkyl, C1-C12alkoxy, trifluoro-C1-C3alkyl, phenyl or halogen;
R3is a 5- or 6-membered heteroaromatic radical; thiophenyl; or a radical of formula
R4, R5, R6 and R7are each independently of the other hydrogen, halogen, C1-C12alkyl, C1-C12alkoxy, carboxy or trifluoro-C1-C3alkyl;
in the antimicrobial treatment of surfaces, is described.
The compounds exhibit a pronounced action against pathogenic gram-positive and gram-negative bacteria, and also against yeasts and moulds.
使用式中的羟基苯基-1,3-
丙二酸酯
式中
R1和R2各自独立为氢、C1-C12烷基、C1-C12烷氧基、三
氟-C1-C3烷基、苯基或卤素;
R3 是 5 或 6 元杂芳族基;
噻吩;或式中的一个基团
R4、R5、R6 和 R7 各自独立地为氢、卤素、C1-C12 烷基、C1-C12 烷氧基、羧基或三
氟-C1-C3 烷基;
描述了在表面抗菌处理中的应用。
这些化合物对致病性革兰氏阳性菌和革兰氏阴性菌以及酵母菌和霉菌具有明显的抗菌作用。