Synthesis and antituberculosis activity of derivatives of Stevia rebaudiana glycoside steviolbioside and diterpenoid isosteviol containing hydrazone, hydrazide, and pyridinoyl moieties
作者:V. E. Kataev、I. Yu. Strobykina、O. V. Andreeva、B. F. Garifullin、R. R. Sharipova、V. F. Mironov、R. V. Chestnova
DOI:10.1134/s1068162011030095
日期:2011.7
Conjugates of antitubercular drug Isoniazid (hydrazide of isonicotinic acid), nicotinic and alpha-picolinic acid hydrazides and glycoside steviolbioside from the plant Stevia rebaudiana as well as the product of its acid hydrolysis, diterpenoid isosteviol, were synthesized. Besides, isosteviol hydrazide and hydrazone derivatives as well as conjugates containing two isosteviol moieties connected by
合成了植物甜叶菊甜叶菊的抗结核药物异烟肼(异烟酸的酰肼),烟酸和α-吡啶甲酸酰肼和糖苷甜菊双糖苷及其酸水解产物二萜类异甾烯醇的结合物。此外,还获得了异戊烯醇酰肼和衍生物,以及包含通过二酰肼接头连接的两个异戊烯醇部分的缀合物。初始化合物及其合成衍生物均抑制结核分枝杆菌(H37Rv体外)的生长。甜菊糖甙和甜菊糖甙的100%(MIC)抑制结核分枝杆菌生长的最小浓度分别为7.5和3.8 microg / mL。吡啶碳酸和甜菊双糖苷以及异osteviol的酰肼共轭物的MIC值分别在5-10和10-20 microg / mL范围内。对结核分枝杆菌的最大抑制作用显示了异osteviol和己二酸二酰肼的结合物(MIC值为1.7至3.1 microg / mL)。所研究化合物的抗结核活性高于抗结核药物吡嗪酰胺的活性(MIC = 12.5-20 microg / mL),但低于抗结核药物异烟肼的活性(MIC