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Preparation of labelled phospholipids: Acylation of 2-lysophosphatidylcholine with [9,10-3H]oleic acid

✍ Scribed by P. Orlando; C. Giordano; L. Binaglia; G. De Sanctis

Publisher
John Wiley and Sons
Year
1984
Tongue
French
Weight
299 KB
Volume
21
Category
Article
ISSN
0022-2135

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✦ Synopsis

1-Ac yl-2-[ 9, 10-3H]oleoyl-~-glycero-3-phosphorylcholine was prepared by acylating l-acyl-~-glycero-3-phosphorylcholine with labelled oleic acid, in the presence of dicyclohexylcarbodiimide (DCC), as condensing agent. A simple column chromatographic procedure allowed both purification of the labelled phospholipid and recovery of the unreacted oleic acid, at the end of the reaction. In standard conditions, yields of 35-40 % were obtained.

The major feature of this procedure is that it is a "one pot" reaction not requiring the isolation of an activated acid derivative prior to esterification. This method is also suitable for preparing labelled phospholipids other than phosphatidylcholine, provided that free or unmasked amino or hydroxyl groups are absent in the molecule.

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