Hydroxyalkyl starch derivatives

Details Hydroxyalkyl starch derivatives Hydroxyalkyl starch derivatives

2005-03-11

2010-10-19

Jiang, Shaojia Anna (Department: 1623)

Drug, bio-affecting and body treating compositions

Radionuclide or intended radionuclide containing; adjuvant...

Attached to cyclopentano-hydrophenanthrene ; derivative thereof

C424S001410, C514S002600, C514S778000, C536S102000

Reexamination Certificate

active

07815893

ABSTRACT:
The present invention relates to a method of producing a hydroxyalkyl starch derivative comprising reacting hydroxyalkyl starch of formula (I) at its reducing end which is not oxidized prior to said reaction, with a compound of formula (II) R′NH—R″ (II) wherein R1-R2and R3are independently hydrogen or a linear or branched hydroxyalkyl group, and wherein either R′ or R″ or R′ and R″ comprise at least one functional group X capable of being reacted with at least one other compound prior to or after the reaction of (I) and (II), as well as to the hydroxyalkyl starch derivative as such, obtainable by said method, and to a pharmaceutical composition comprising said hydroxyalkyl starch derivative.

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