Synthesis and biological evaluation of novel (−)-cercosporamide derivatives as potent selective PPARγ modulators
作者:Akihiro Furukawa、Tsuyoshi Arita、Takehiro Fukuzaki、Makoto Mori、Takeshi Honda、Susumu Satoh、Yumi Matsui、Kenji Wakabayashi、Shinko Hayashi、Kouichi Nakamura、Kazushi Araki、Masanori Kuroha、Jun Tanaka、Satoko Wakimoto、Osamu Suzuki、Jun Ohsumi
DOI:10.1016/j.ejmech.2012.05.040
日期:2012.8
Selective peroxisome proliferator-activated receptor gamma (PPAR gamma) modulators are expected to be a novel class of drugs improving plasma glucose levels without PPAR gamma-related adverse effects. As a continuation of our studies for (-)-Cercosporamide derivatives as selective PPAR gamma modulators, we synthesized substituted naphthalene type compounds and identified the most potent compound 15 (EC50 = 0.94 nM, E-max), = 38%). Compound 15 selectively activated PPAR gamma transcription and did not activate PPAR alpha and PPAR delta. The potassium salt of compound 15 showed a high solubility and a good oral bioavailability (58%). Oral administration of the potassium salt remarkably improved the plasma glucose levels of female Zucker diabetic fatty rats at 1 mg/kg. Moreover, it did not cause a plasma volume increase or a cardiac enlargement in Wistar-Imamichi rats, even at 100 mg/kg. (C) 2012 Elsevier Masson SAS. All rights reserved.