Abstract
Cyclic 1- O-acyl-2- O-alkyl-glycero-3-phosphotriesters and 1- O-acyl-2- O-alkyl-glycero-3-bromoethylphosphate with a free acyl moiety in position 1 of the glycerol backbone were synthesized. These phospholipid intermediates were covalently bound to AH-Sepharose via the carbodiimide method. After immobilization the corresponding phosphatidylethanolamine analogues were obtained by acid hydrolysis of the cyclic phosphotriesters and by direct amination of the bromoethylphosphate. Thus, in a short, stepwise synthesis including minimum use of protecting groups, a variety of immobilized phospholipid analogues are available as affinity adsorbents for the purification of enzymes related to phospholipid metabolism.
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