Design and synthesis of benzoxazole derivatives as novel melatoninergic ligands
摘要:
A novel series of benzoxazole derivatives was synthesized and evaluated as melatoninergic ligands. The binding affinity of these compounds for human MT1 and MT2 receptors was determined using 2-[I-125]-iodomelatonin as the radioligand. The results of the SAR studies in this series led to the identification of compound 28, which exhibited better MT1 and MT2 receptor affinities than melatonin itself. This work also established the benzoxazole nucleus as a melatoninergic pharmacophore, which served as an isosteric replacement to the previously established alkoxyaryl core. (C) 2003 Elsevier Ltd. All rights reserved.
Design and synthesis of benzoxazole derivatives as novel melatoninergic ligands
摘要:
A novel series of benzoxazole derivatives was synthesized and evaluated as melatoninergic ligands. The binding affinity of these compounds for human MT1 and MT2 receptors was determined using 2-[I-125]-iodomelatonin as the radioligand. The results of the SAR studies in this series led to the identification of compound 28, which exhibited better MT1 and MT2 receptor affinities than melatonin itself. This work also established the benzoxazole nucleus as a melatoninergic pharmacophore, which served as an isosteric replacement to the previously established alkoxyaryl core. (C) 2003 Elsevier Ltd. All rights reserved.
Reaction of nitrosalicylaldehydes (1) with carbethoxymethylenetriphenylphosphorane in Et(2)NPh, in Ph(2)O, and in the absence of solvent (neat) at 210-215 degrees C was investigated. Reaction of 3-nitrosalicylaldehyde (1d) in Et(2)NPh afforded the benzoxazole (6) and the aminocoumarin (3e) along with the expected coumarin (3d). It was clarified that the origin of carbon-unit introduced for the formation of the benzoxazole ring came from the alkyl group of solvent.
Valizadeh; Shockravi; Heravi, Journal of Chemical Research - Part S, 2003, # 11, p. 718 - 720
作者:Valizadeh、Shockravi、Heravi、Ghadim, H. Abbasi
DOI:——
日期:——
Design and synthesis of benzoxazole derivatives as novel melatoninergic ligands
作者:Li-Qiang Sun、Jie Chen、Katherine Takaki、Graham Johnson、Lawrence Iben、Cathy D. Mahle、Elaine Ryan、Cen Xu
DOI:10.1016/j.bmcl.2003.12.052
日期:2004.3
A novel series of benzoxazole derivatives was synthesized and evaluated as melatoninergic ligands. The binding affinity of these compounds for human MT1 and MT2 receptors was determined using 2-[I-125]-iodomelatonin as the radioligand. The results of the SAR studies in this series led to the identification of compound 28, which exhibited better MT1 and MT2 receptor affinities than melatonin itself. This work also established the benzoxazole nucleus as a melatoninergic pharmacophore, which served as an isosteric replacement to the previously established alkoxyaryl core. (C) 2003 Elsevier Ltd. All rights reserved.