以K 2 CO 3为碱,CH 3 CN为溶剂,在40°C下通过取代反应使不同种类的N- [5-烷氧基-2(5 H)-呋喃酮基]氨基酸与炔丙基溴反应,得到16 N- [5-烷氧基-2(5H)-呋喃基]氨基酸炔丙基酯,产率为44-85%(大部分超过74%)。通过FTIR,UV,1 H NMR,13阐明并确认了所有新合成化合物的结构13 C NMR,MS和元素分析。具有多个生物活性单元的炔丙基酯系列的快速,高效,简短合成,不仅为潜在药物分子的活性测试提供了依据,而且是具有多官能度的2(5 H)-呋喃酮衍生物的重要合成策略组。
Concise synthesis of chiral 2(5H)-furanone derivatives possessing 1,2,3-triazole moiety via one-pot approach
作者:Yue-He Tan、Jian-Xiao Li、Fu-Ling Xue、Ji Qi、Zhao-Yang Wang
DOI:10.1016/j.tet.2012.01.092
日期:2012.4
Combining three bioactive units, such as 2(5H)-furanone, 1,2,3-triazole, and amino acid together into one potential drug molecule with polyfunctional groups, a series of new chiral 2(5H)-furanonederivatives containing 1,2,3-triazole moiety have been designed and synthesized from (5S)-5-alkoxy-3,4-dibromo-2(5H)-furanones, amino acids, propargyl bromide, and organic azides via the sequential three steps
Synthesis of chiral 2(5H)-furanone derivatives with 1,3-butadiyne structure
作者:Jing-Pei Huo、Jin-Feng Xiong、Guang-Zhen Mo、Pai Peng、Zhao-Yang Wang
DOI:10.1007/s11164-012-0949-3
日期:2013.11
Using CuI as a catalyst, N , N -diisopropylethylamine as ligand, n -butylamine as a base, and CH3CN as solvent, the Glaser reaction of N -[5-( S )-alkoxy-2(5 H )-furanonyl] amino acid propargyl esters 1 at room temperature was investigated, and a series of newchiral 2(5 H )-furanone derivatives containing 1,3-butadiyne structure have been synthesized as designed, with yields of 49–84 % (mostly over
以CuI为催化剂, N , N- 二异丙基乙胺为配体, 正 丁胺为碱,CH 3 CN为溶剂, N- [5-( S )-烷氧基-2(5 H )-呋喃酮基 的Glaser反应 ]氨基酸在室温下的炔丙基酯 1的 研究,并按设计合成了一系列含有1,3-丁二炔结构的新的手性2(5 H )-呋喃酮衍生物,收率49-84%(大部分超过66 %)。FTIR,1 H NMR,13表征了16个目标分子 2 13 C NMR,MS和元素分析。简短合成具有不同功能单元的2(5 H )-呋喃酮系列 衍生物不仅将为生物活性2(5 H )-呋喃酮衍生物作为潜在的药物分子提供重要的合成策略, 而且为手性聚二乙炔材料的基础。