以3-芳基/烷基-4-氨基-5-巯基-1,2,4-三唑为原料,经过环化和糖化反应,设计合成了10个未见报道的化合物3-芳基/烷基-6-S-2',3',4',6'-四-O-乙酰基-β-D-吡喃葡萄糖基-1,2,4-三唑并[3,4-b]-1,3,4-噻二唑(3a^3j),其结构经...以3-芳基/烷基-4-氨基-5-巯基-1,2,4-三唑为原料,经过环化和糖化反应,设计合成了10个未见报道的化合物3-芳基/烷基-6-S-2',3',4',6'-四-O-乙酰基-β-D-吡喃葡萄糖基-1,2,4-三唑并[3,4-b]-1,3,4-噻二唑(3a^3j),其结构经核磁共振波谱、高分辨质谱和红外光谱确认.生物活性测试表明,所有化合物均对大肠杆菌、金黄色葡萄球菌、枯草芽孢杆菌和白色念株菌表现出一定的抗菌活性,其中化合物3c对4种测试菌株的最小抑菌浓度(MIC)最低,且接近于氟康唑的参照数据,具有较强的抗菌活性.利用Auto Dock 4.0程序研究了目标化合物3a^3j与大肠杆菌FabⅠ受体蛋白分子的相互作用和结合自由能变化规律.展开更多
Cyproconazole(5) is a good fungicide.In this paper,starting from p-chlorobenzonitrile and allylic bromide,the intermediate 1-(4-chlorophenyl)-2-cyclopropyl-1-ethanone(2) was obtained by Barbier-type reaction and Simmo...Cyproconazole(5) is a good fungicide.In this paper,starting from p-chlorobenzonitrile and allylic bromide,the intermediate 1-(4-chlorophenyl)-2-cyclopropyl-1-ethanone(2) was obtained by Barbier-type reaction and Simmons-Smith reaction.The product 5 was synthesized form 2 via α-methyl reaction,Corey-Chaykovsky reaction,and substitution reaction with 1,2,4-triazole.The total yield was 30.8%.5 and all intermediates were characterized and confirmed with 1H NMR and MS spectra.This procedure was cost-effective and applicable on a multigram scale.展开更多
文摘以3-芳基/烷基-4-氨基-5-巯基-1,2,4-三唑为原料,经过环化和糖化反应,设计合成了10个未见报道的化合物3-芳基/烷基-6-S-2',3',4',6'-四-O-乙酰基-β-D-吡喃葡萄糖基-1,2,4-三唑并[3,4-b]-1,3,4-噻二唑(3a^3j),其结构经核磁共振波谱、高分辨质谱和红外光谱确认.生物活性测试表明,所有化合物均对大肠杆菌、金黄色葡萄球菌、枯草芽孢杆菌和白色念株菌表现出一定的抗菌活性,其中化合物3c对4种测试菌株的最小抑菌浓度(MIC)最低,且接近于氟康唑的参照数据,具有较强的抗菌活性.利用Auto Dock 4.0程序研究了目标化合物3a^3j与大肠杆菌FabⅠ受体蛋白分子的相互作用和结合自由能变化规律.
文摘Cyproconazole(5) is a good fungicide.In this paper,starting from p-chlorobenzonitrile and allylic bromide,the intermediate 1-(4-chlorophenyl)-2-cyclopropyl-1-ethanone(2) was obtained by Barbier-type reaction and Simmons-Smith reaction.The product 5 was synthesized form 2 via α-methyl reaction,Corey-Chaykovsky reaction,and substitution reaction with 1,2,4-triazole.The total yield was 30.8%.5 and all intermediates were characterized and confirmed with 1H NMR and MS spectra.This procedure was cost-effective and applicable on a multigram scale.
