Synthesis and pharmacological properties of 2-[S-acetylthiorphan]-1,3- diacylaminopropan-2-ol derivatives as chimeric lipid drug carriers containing an enkephalinase inhibitor.
(1995) Pharmaceutical Research — Vol. 12, n° 2, p. 187-191 (1995)
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- Abstract
- The design of 1,3-dacylaminopropan-2-ols as CNS-directed carrier groups is based on their resemblance to endogenous lipids and the properties of pseudotriglyceride esters to facilitate the brain penetration of therapeutic agents. 2-[S-acetylthiorphan]-1,3-diacylaminopropan-2-ols, differing from the nature of 1,3-acyl chains, were synthesized and evaluated in vivo using the hot-plate jump test. The compounds exhibited naloxone reversible analgesic properties. The effects were superior to those of parent compounds thiorphan and S-acetylthiorphan. The palmitoyl derivative showed also activity at 0.8 mmol/kg after oral administration. Like acetorphan, a thiorphan prodrug, these compounds were poor substrates for brain enkephalinase, suggesting the release of the pharmacological active inhibitor at the site of action in the brain.
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Lambert, D., Mergen, F., Berens, C. F., Poupaert, J., & Dumont, P. (1995). Synthesis and pharmacological properties of 2-[S-acetylthiorphan]-1,3- diacylaminopropan-2-ol derivatives as chimeric lipid drug carriers containing an enkephalinase inhibitor. Pharmaceutical Research, 12(2), 187-191. https://doi.org/10.1023/A:1016214506667 (Original work published 1995)