Use of heterocyclic compounds as bleach activators or...

Details Use of heterocyclic compounds as bleach activators or... Use of heterocyclic compounds as bleach activators or...

C - Chemistry, Metallurgy

11

D

C11D 3/39 (2006.01) C07D 265/22 (2006.01) C11D 3/42 (2006.01)

Patent

CA 2066570

2066570 9108279 PCTABS00005 Heterocyclic compounds of formula (I), where X stands for O, S or the N-R3 grouping, in which R3 stands for hydrogen, C1-C25 alkyl, C1-C25 acyl or an aryl group with up to 12 carbon atoms, Y stands for CH or N, R1 stands for X = S or N-R3, hydrogen, a C1-C25 alkyl or C2-C25 alkenyl group or a phenyl residue which can be additionally substituted by one or two C1-C4 alkyl, C1-C4 alkoxy, hydroxyl, carboxyl, sulpho, amino, C1-C4 acylamino, nitro or cyano groups or chlorine or bromine atoms, whereby for two substituents these may be the same or different, R1 stands for X = O, phenyl, o-, m- or p-tolyl, p-chlorphenyl, m-nitrophenyl, m-methoxyphenyl or m-methylsulphonylphenyl, R2 stands for X = S or NR3, hydrogen, a C1-C4 alkyl, C1-C4 alkoxy, hydroxyl, carboxyl, sulpho, amino or C1-C4 acylamino group or a chlorine or bromine atom and R2 stands for X = O or hydrogen, can be used as bleach activators or optical lighteners in washing and cleaning agents.

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