Infoscience

Patent

Catechol functionalized polymers and method for preparing them

Described are compounds that are capable of forming adlayers, said compounds comprising at least one headgroup A, an optional linker B, a polymer C, a terminal group D and an optionally present crosslinking group R, wherein the headgroup A is a compound of the following formula wherein X is independently from each other selected from an acidic group, such as OH, SH, phosphate, phosphornate and N+R2H, Y is a group derived from a convenient coupling group, in particular NL3, or N+(L3)2, Z1, Z3, and Z4 are C or N+ Z2, Z5 and Z6 are C-L1 or N+-L, wherein L1 is H or an electron withdrawing group, L is C1-C6 alkyl, in particular C1-C4 alkyl L2 and L3 are independently selected from H or C1-C6 alkyl, preferably C1-C4 alkyl, or L2 may form together with L1 or L of Z6 a heterocycle, in particular a positively charged heterocycle, n is 0, or 1, or 2, or 3, m is 0 or 1 with the proviso that at most one of Z1 to Z6 is N+ and that in case that Z1 is N+, L2 may additionally be an ester, an amide, or a heterocycle.

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