78858-44-3Relevant academic research and scientific papers
Antitumor phospholipids: A one-pot introduction of a phosphocholine moiety into lipid hydroxy acceptors
Erukulla, Ravi Kumar,Byun, Hoe-Sup,Bittman, Robert
, p. 5783 - 5784 (2007/10/02)
A high-yielding, 3-step, one-pot conversion of lipid hydroxy acceptors 2 into clinically useful alkylphosphocholines 1 is reported. Reaction of 2 with ethylene chlorophosphite gave phosphite 3, which underwent oxidation and ring opening with bromine in CH2Cl2 to give (2-bromoethyl)phosphate ester 4; hydrolysis of the P-Br bond and quaternization of 4 with aqueous trimethylamine generated 1.
Regiospecific Opening of Glycidyl Derivatives Mediated by Boron Trifluoride. Asymmetric Synthesis of Ether-Linked Phospholipids
Guivisdalsky, Pedro N.,Bittman, Robert
, p. 4637 - 4642 (2007/10/02)
A short, chiral synthesis of unnatural, cytotoxic ether-linked phospholipids is reported in which the key step is the very high regio- and stereospecific nucleophilic opening of the p-toluenesulfonate (1a, 1b) or tert-butyldiphenylsilyl ether (6a, 6b) derivatives of (R)- or (S)-glycidol with 1-hexadecanol using boron trifluoride etherate as catalyst.The enantiomeric excess of the ring-opened products was >94percent, as judged by 1H NMR and chiral HPLC analysis of the Mosher ester derivatives, indicating that ring opening of 1 and 6 proceeds without significant loss of optical purity.The synthetic strategy of using optically active glycidyl derivatives as the precursor of the glycerol backbone permits the desired enantiomers of 1(3)-O-2-O-methylphosphocholines (5a, 5b) to be generated in good yield and high optical purity from the ring-opened intermediates (2, 7) in three steps without the use of protecting groups.
Stereospecific Synthesis of Ether and Thioether Phospholipids. The Use of L-Glyceric Acid as a Chiral Phospholipid Precursor
Bhatia, Suresh K.,Hajdu, Joseph
, p. 5034 - 5039 (2007/10/02)
A novel stereospecific synthesis of biologically active ether phospholipids is reported.The synthesis is based on (1) the use of L-glyceric acid as the chiral center for the construction of the optically active phospholipid molecule, (2) the introduction
A NEW APPROACH TO THE SYNTHESIS OF ETHER PHOSPHOLIPIDS. PREPARATION OF 1,2-DIALKYLGLYCEROPHOSPHORYLCHOLINES FROM L-GLYCERIC ACID
Bhatia, Suresh K.,Hajdu, Joseph
, p. 271 - 274 (2007/10/02)
A novel stereospecific synthesis of antitumor active ether phospholipids is reported.
