Abstract
Lysophosphatidic acid (LPA, 1- or 2-acyl- sn-glycerol 3-phosphate) displays an intriguing cell biology that is mediated via interactions both with G-protein coupled seven transmembrane receptors and with nuclear hormone receptor PPARγ. We describe a new and efficient route to enantiomerically homogeneous lysophospholipid analogues from ( S)-1,2,4-butanetriol to give two 3-difluoromethyl substituted analogues of 2-acyl- sn-glycerol 3-phosphate. These compounds are migration-blocked analogues of the liable sn-2 LPA species. Preliminary studies were conducted on a nuclear reporter assay in which monocytic cells were transfected with a luciferase construct activated by a PPARγ nuclear receptor response element and have shown that the 3-difluoromethyl substituted analogues are fully active as natural LPA.
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