structures were characterized by IR, 1H NMR, 13C NMR and HR-MS spectroscopic methods. The newly synthesized compounds were evaluated for their inhibitoryactivity against monoamine oxidase enzymes (MAO-A and MAO-B). Compounds 2a, 2k, 4a and 4i showed significant inhibitoryactivity against MAO-A, with IC50 value in the range of 0.084–0.207 µM compared to reference drug moclobemide (IC50 value = 6.061 µM)
Compounds of Formula I are provided. In which the variables are as described herein. Such compounds may be used to modulate CB1 activity in vivo or in vitro, and are particularly useful in the treatment of conditions responsive to CB1 modulation in humans, domesticated companion animals and livestock animals, including appetite disorders, obesity and addictive disorders. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies and various in vitro assays.
A newly series of 4-(phenylurenyl) chalcone (4a-j) and 4'-(phenylurenyl/thiourenyl)chalcone (9a-l) derivatives were synthesized and their inhibitory effects on the diphenolase activity of banana tyrosinase were evaluated. Tyrosinase has been purified from banana on an affinity gel comprised of Sepharose 4B-L-tyrosine-p-aminobenzoic acid. The result showed that 4a-j inhibited the PPO enzyme activity. Conversely, 9a-h and 9i-l showed activator effect on tyrosinase enzyme activity. (C) 2011 Elsevier Ltd. All rights reserved.
DIARYL UREAS AS CB1 ANTAGONISTS
申请人:NEUROGEN CORPORATION
公开号:EP1804785A2
公开(公告)日:2007-07-11
[EN] DIARYL UREAS AS CB1 ANTAGONISTS<br/>[FR] DIARYL UREES, ANTAGONISTES DU CB1
申请人:NEUROGEN CORP
公开号:WO2006049941A2
公开(公告)日:2006-05-11
[EN] Compounds of Formula I are provided. In which the variables are as described herein. Such compounds may be used to modulate CB1 activity in vivo or in vitro, and are particularly useful in the treatment of conditions responsive to CB1 modulation in humans, domesticated companion animals and livestock animals, including appetite disorders, obesity and addictive disorders. Pharmaceutical compositions and methods for using them to treat such disorders are provided, as are methods for using such ligands for receptor localization studies and various in vitro assays. [FR] L'invention porte sur des composés de formule (I) dont les variables sont données dans la description. Lesdits composés servent à moduler l'activité du CB1 in vivo ou in vitro, et sont particulièrement utiles pour traiter chez l'homme les états responsables de la modulation du CB1 chez l'homme et les amicaux domestiques, dont les troubles de l'appétit, l'obésité, et la toxicomanie. L'invention porte également sur des préparations pharmaceutiques les contenant, et sur des méthodes de traitement de ces troubles, et d'utilisation de ces ligands dans des études de localisation de récepteurs et différents bioessais in vitro.