Synthesis of 3-chloro-1-substituted aryl pyrrolidine-2,5-dione derivatives: discovery of potent human carbonic anhydrase inhibitors
作者:Koray Oktay、Leyla Polat Kose、Kıvılcım Şendil、Mehmet Serdar Gültekin、İlhami Gülçın
DOI:10.1007/s00044-017-1865-2
日期:2017.8
spectroscopy. Their biological activities were studied against human carbonic anhydrase I, and II. The 3-chloro-1-aryl pyrrolidine-2,5-diones strongly inhibited the activity of human carbonic anhydrase I and II, with K i values in the low nanomolar range of 23.27–36.83 nmol/L against human carbonic anhydrase I and 10.64–31.86 nmol/L against human carbonic anhydrase II.
碳酸酐酶同工酶是重要的金属酶,涉及许多生理过程,它们通过金属氢氧化物的亲核机理催化二氧化碳(CO 2)可逆水合为碳酸氢根(HCO 3 –)和质子(H +)。由于它们已知的生物学活性和作为碳酸酐酶抑制剂的潜力,本研究集中于开发合成3-氯-1-芳基吡咯烷-2,5-二酮(2b)的便利途径。该合成路线始于(Z)-4-氧-4-(芳氨基)丁-2-烯酸(3b)和二氯化硫(SOCl 2),并导致闭环反应,产生了一系列3-氯-N-芳基马来酰亚胺衍生物(20 – 29),收率高。这是3-氯-1-芳基pyyrolidine -2,5-二酮类的合成的第一次报告20 - 23和27 - 29通过的(Z)闭环反应-4-氧代-4-(芳基氨基),但-2-烯酸 通过1 H-NMR,13 C-NMR和红外光谱确定所有产物的结构。研究了它们对人碳酸酐酶I和II的生物学活性。3-氯-1-芳基吡咯烷-2,5-二酮强烈抑制人碳酸酐酶I和II的活性,其中K