Synthesis of 2(3H)-benzoxazolone derivatives as potential melatonin receptor ligands
Mesangeau, C;Poupaert, Jacques;Carato, P;Yous, S.
(2003) Heterocycles — Vol. 60, n° 12, p. 2621-+ (2003)
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Authors
Mesangeau, C
Author
Poupaert, JacquesUCLouvain
Author
Carato, P
Author
Yous, S.
Author
Abstract
This article reports the synthesis of new 2(3H)-benzoxazolone-based ligands for the melatonin receptors in which an acetamidopropyl side-chain was incorporated. Construction of the acetamidopropyl moiety was achieved via a Wadsworth-Emmons approach. Although these compounds can be seen as derivatives of N-[3-(3-methoxyphenyl)propyl]acetamide (MPPA), which is the exact analogue of melatonin in which the 1,2-indole nitrogen atoms are deleted, they exhibit lower affinities for the melatonin receptors probably due to an unfavourable steric bulk and hydrophilic interactions.