Novel nonsecosteroidal vitamin D3 carboxylic acid analogs for osteoporosis, and SAR analysis
作者:Hirotaka Kashiwagi、Yoshiyuki Ono、Kazuki Shimizu、Tsuyoshi Haneishi、Susumu Ito、Shigeyuki Iijima、Takamitsu Kobayashi、Fumihiko Ichikawa、Suguru Harada、Hideki Sato、Nobuo Sekiguchi、Masaki Ishigai、Tadakatsu Takahashi
DOI:10.1016/j.bmc.2011.07.001
日期:2011.8
Novel vitamin D3 analogs with carboxylic acid were explored, focusing on a nonsecosteroidal analog, LG190178, with a bisphenyl skeleton. From X-ray analysis of these analogs with vitamin D receptor (VDR), the carboxyl groups had very unique hydrogen bonding interactions in VDR and mimicked 1α-hydroxy group and/or 3β-hydroxy group of 1α,25-dihydroxyvitamin D3. A highly potent analog, 6a, with good in
探索了具有羧酸的新型维生素D 3类似物,重点研究了具有双苯基骨架的非类甾体类似物LG190178。从具有维生素D受体(VDR)的这些类似物的X射线分析中,羧基在VDR中具有非常独特的氢键相互作用,并且模拟了1α,25-二羟基维生素D 3的1α-羟基和/或3β-羟基。从SAR研究中鉴定出了一种高效的类似物6a,具有良好的体外活性和药代动力学特征。通过口服给药,化合物6a显示出在大鼠骨质疏松症模型中显着预防骨损失的能力。