Patent ID: 6710149
Filing Date: 2004-03-23
Classification: C07F,C08F

Abstract:
Acrylophosphonic acid of the general formula (I), stereoisomers thereof or mixtures of these in which R1, R2, R3, X, Y, Z and n have the following meanings:R1=a linear or branched C1 to C10 alkylene or C6 to C14 arylene radical; R2=hydrogen, a linear or branched C1 to C10 alkyl or C6 to C10 aryl radical; Y=oxygen, sulphur, C1 to C8 alkylene or is absent; n=1, 2, 3, 4 or 5; whereX=CN, n=1 and Z=is absent or X=CONR3 with R3=hydrogen, a linear or branched C1 to C10 alkyl radical, or a C6 to C10 aryl radical; provided thatfor n=1 Z=hydrogen or a linear or branched C1 to C10 alkyl radical, or a phenyl radical; and for n=2 to 5 Z=an aliphatic, aromatic, or araliphatic, linear or branched hydrocarbon radical with 1 to 14 carbon atoms, substituted n times with the structure of formula (I) in brackets, where Z and R3 may also be part of a common ring, and where the individual radicals may be substituted or unsubstituted.