Potent, orally active aldose reductase inhibitors related to zopolrestat: surrogates for benzothiazole side chain
作者:Banavara L. Mylari、Thomas A. Beyer、Pamela J. Scott、Charles E. Aldinger、Michael F. Dee、Todd W. Siegel、William J. Zembrowski
DOI:10.1021/jm00081a006
日期:1992.2
broad structure-activity program was undertaken in search of effective surrogates for the key benzothiazole side chain of the potent aldose reductase inhibitor, zopolrestat (1). A structure-driven approach was pursued, which spanned exploration of three areas: (1) 5/6 fused heterocycles such as benzoxazole, benzothiophene, benzofuran, and imidazopyridine; (2) 5-membered heterocycles, including oxadiazole
为了寻找有效的醛糖还原酶抑制剂zopolrestat(1)的关键苯并噻唑侧链的有效替代物,进行了广泛的结构活性程序。追求结构驱动的方法,该方法涵盖了三个领域的探索:(1)5/6稠合杂环,如苯并恶唑,苯并噻吩,苯并呋喃和咪唑并吡啶;(2)5元杂环,包括带有侧基芳基的恶二唑,恶唑,噻唑和噻二唑,以及(3)苯并噻唑的形式当量的硫代苯胺。在糖尿病并发症的一项急性试验中,发现几种苯并恶唑和1,2,4-恶二唑衍生的类似物是有效的人胎盘醛糖还原酶抑制剂,并且在防止大鼠坐骨神经中山梨醇蓄积方面具有口服活性。3,4-Dihydro-4-oxo-3-[(5,(7-二氟-2-苯并恶唑基)甲基] -1-酞嗪乙酸(124)是苯并恶唑系列中最好的(IC50 = 3.2 x 10(-9)M); 当口服剂量为10 mg / kg时,它可将山梨醇在大鼠坐骨神经中的蓄积抑制78%。化合物139,3,4-二氢-4-氧代-3-[[[((2-氟苯基)-1