METHOD FOR PREPARING WATER-SOLUBLE POLYMER DERIVATIVES BEARING A TERMINAL CARBOXYLIC ACID
申请人:Nektar Therapeutics Al, Corporation
公开号:EP1537163A2
公开(公告)日:2005-06-08
Method for Preparing Water-Soluble Polymer Derivatives Bearing a Terminal Carboxylic Acid
申请人:Kozlowski Antoni
公开号:US20090264600A1
公开(公告)日:2009-10-22
A method is provided for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid or ester thereof. The method involves the hydrolyzing an ortho ester of a water-soluble polymer so as provide the corresponding acid. In addition, the invention provides water-soluble polymers bearing a terminal carboxylic acid or ester thereof, intermediates and reagents useful in carrying out the method, as well as gels, pharmaceutical formulations, conjugates related to the described water-soluble polymer derivatives.
METHOD FOR PREPARING WATER-SOLUBLE POLYMER DERIVATIVES BEARING AN N-SUCCINIMIDYL ESTER
申请人:NEKTAR THERAPEUTICS
公开号:US20130231490A1
公开(公告)日:2013-09-05
A method is provided for preparing water-soluble polymer derivatives bearing a terminal N-succinimidyl ester. The method involves the hydrolyzing an ortho ester of a water-soluble polymer so as provide the corresponding acid and subsequently esterifying the acid.
ORTHOESTER COMPOUND
申请人:NEKTAR THERAPEUTICS
公开号:US20140296541A1
公开(公告)日:2014-10-02
A compound is provided that is useful for, among other things, preparing water-soluble polymer derivatives bearing a terminal N-succinimidyl ester.