Chinese Journal of Organic Chemistry >
Design, Synthesis of Betulin Derivatives Containing 5-Phenyl-3-isoxazole and Their Inhibitory Activities against Protein Tyrosine Phosphatase 1B
Received date: 2016-11-14
Revised date: 2016-12-07
Online published: 2016-12-12
Supported by
Project supported by the Science Fund for Young Scholar of Jiangsu Province (No. BK20140425) and the Initiating Fund for Introduced Talents of Nantong University (No. 03080694).
Protein tyrosine phosphatase-1B (PTP1B) is recognized as a potent target for the therapy of diabetes. By introducing substituted 5-phenyl-3-isoxazole ring to the 3-position of betulin, a series of novel compounds were designed, synthesized and characterized by 1H NMR, 13C NMR and HRMS. The results of bioassays exhibited that most of the titled compounds were active to PTP1B. Among them, compound 15h has an IC50 of 0.98 μmol·L-1 against PTP1B and a 4-fold selectivity over T cell protein tyrosine phosphatase (TCPTP).
Key words: PTP1B Inhibitor; TCPTP; Betulin; Synthesis
He Haibing , Dai Hong , Ge Yinghua , Shi Lei , Zou Zheng , Ye Fei , Jin Jia , Shi Yujun . Design, Synthesis of Betulin Derivatives Containing 5-Phenyl-3-isoxazole and Their Inhibitory Activities against Protein Tyrosine Phosphatase 1B[J]. Chinese Journal of Organic Chemistry, 2016 , 36(12) : 2888 -2894 . DOI: 10.6023/cjoc201611016
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