Branched polyalkylene glycols
First Claim
Patent Images
1. A branched polyalkylene glycol represented by formula (I):
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(R1—
Mn—
X1)mL(X2—
X3—
R2)q
(I){wherein L is
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Abstract
The present invention provides a branched polyalkylene glycol wherein three or more single-chain polyalkylene glycols and a group having reactivity with an amino acid side chain, the N-terminal amino group or the C-terminal carboxyl group in a polypeptide or a group convertible into the group having reactivity are bound; and a physiologically active polypeptide modified with the branched polyalkylene glycol.
12 Citations
15 Claims
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1. A branched polyalkylene glycol represented by formula (I):
-
(R1—
Mn—
X1)mL(X2—
X3—
R2)q
(I){wherein L is - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification