| 摘要 |
Compound of the general formula (I) <?in-line-formulae description="In-line Formulae" end="lead"?>X(B)<SUB>m</SUB> (I)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein X is an m-valent unit and B are identical or different and denote K-R, wherein K is a bond or is A<SUP>1</SUP>-(A<SUP>2</SUP>-A<SUP>3</SUP>)<SUB>k</SUB>-sp, wherein A<SUP>1 </SUP>is (CH<SUB>2</SUB>)<SUB>t</SUB>Y(CH<SUB>2</SUB>)<SUB>u</SUB>, wherein Y is >C-O, >NH, -O-, -S- or a bond, t is an integer from 0 to 6 and u is an integer from 0 to 6, A<SUP>2 </SUP>is -NHCO-, -CONH-, -OCONH- or SCONH-, or is -CO-, A<SUP>3 </SUP>is (CH<SUB>2</SUB>)<SUB>r</SUB>, O(CH<SUB>2</SUB>)<SUB>r</SUB>, NH(CH<SUB>2</SUB>)<SUB>r</SUB>, S(CH<SUB>2</SUB>)<SUB>r </SUB>or -(CHQ)-, wherein r is an integer from 1 to 6 and Q is a substituted or unsubstituted alkyl or aryl group, sp is a divalent spacer or a bond, and k is an integer from 5 to 100, and R is hydrogen; a ligand suitable for specific bonding to a receptor; a marker molecule; or a catalytically active group; and m is at least 2, with the proviso that (1) in the compound at least one R is not hydrogen, (2) there are at least two K that are not a bond, and (3) X, B and m are so selected that an intermolecular association of the K in liquid phase by the formation of hydrogen bonds is possible, with formation of aggregates that present on the surface a plurality of R that are not hydrogen, and (4) the molar mass of the fragment X(K)<SUB>m </SUB>is less than 20,000. |
