Dendrimeric compounds
First Claim
Patent Images
1. A dendrimeric compound or a salt thereof, said compound comprising a biodegradable core moiety and a dendrimeric backbone moiety, wherein said core moiety is a phosphazene or a boron-based core of the formula:
-
space="preserve" listing-type="equation">Y X-Y!.sub.qin which X is carbon, oxygen, or nitrogen, each X, independently, is unsubstituted or substituted with R or Y'"'"'-X'"'"'!q ;
Y is boron or phosphorus, each Y, independently, is unsubstituted or substituted with R or X'"'"'-Y'"'"'!q ;
X'"'"' and Y'"'"' are as defined for X and Y, respectively, but cannot carry side chains Y'"'"'-X'"'"'!q or X'"'"'-Y'"'"'!q ;
each R, independently, is hydrogen, oxo, or a bond; and
q is 2-5; and
two non-adjacent Y groups can together represent a single Y group thereby, together with the intervening X and Y groups, creating a 4 to 10 membered ring; and
said backbone moiety has linked thereto a plurality of diagnostically or therapeutically active moieties, characterised in that the molecular skeleton of said compound contains at least one biodegradable cleavage site such that on cleavage thereof said active moieties are released in renally excretable form.
3 Assignments
0 Petitions
Accused Products
Abstract
The invention provides a dendrimeric compound comprising a dendrimeric bioactive moiety with linked thereto a plurality of diagnostically or therapeutically active moieties characterized in that the molecular skeleton of said compound contains at least one biodegradable cleavage site such that on cleavage thereof said active moieties are released in renally excretable form.
-
Citations
17 Claims
-
1. A dendrimeric compound or a salt thereof, said compound comprising a biodegradable core moiety and a dendrimeric backbone moiety, wherein said core moiety is a phosphazene or a boron-based core of the formula:
-
space="preserve" listing-type="equation">Y X-Y!.sub.qin which X is carbon, oxygen, or nitrogen, each X, independently, is unsubstituted or substituted with R or Y'"'"'-X'"'"'!q ;
Y is boron or phosphorus, each Y, independently, is unsubstituted or substituted with R or X'"'"'-Y'"'"'!q ;
X'"'"' and Y'"'"' are as defined for X and Y, respectively, but cannot carry side chains Y'"'"'-X'"'"'!q or X'"'"'-Y'"'"'!q ;
each R, independently, is hydrogen, oxo, or a bond; and
q is 2-5; and
two non-adjacent Y groups can together represent a single Y group thereby, together with the intervening X and Y groups, creating a 4 to 10 membered ring; andsaid backbone moiety has linked thereto a plurality of diagnostically or therapeutically active moieties, characterised in that the molecular skeleton of said compound contains at least one biodegradable cleavage site such that on cleavage thereof said active moieties are released in renally excretable form. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification