L-TBOA (L-threo-beta-benzyloxyaspartate) is, so far, the most potent non-transportable blocker for glutamate transporters. We synthesized alpha-CMCM-L-TBOA (1a) possessing [7-(carboxymethoxy)coumarin-4-yl]methyl ester as a caging group. alpha-CMCM-L-TBOA (1a) is biologically inactive until UV irradiation and the photolysis of 1a immediately released L-TBOA to show glutamate uptake inhibition. The photoreactivity of the coumarin-type caging group was superior to that of the o-nitrobenzyl-type caging group.
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| http://dx.doi.org/10.1016/s0960-894x(02)01042-9 | DOI Listing |
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