Regioselective相关论文
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
An efficient chemo- and regioselective three-component synthesis of pyridazinones and phthalazinones
The first three-component and regioselective synthesis of pyridazinones and phthalazinones from arenes,anhydrides and Ar......
Semi-synthesis of paclitaxel was achieved in four steps from 10-deacetylbaccatin Ⅲ (10-DAB Ⅲ).The key steps are the re......
[Bmim]Br3 as a New Reagent for Regioselective Mono-bromination of Activated Aromatics under Solvent-
Reaction of activated aromatics containing phenols, naphthol, methoxynaphthalenes,anisole etc. with 1-butyl-3-methylimid......
Regioselective decomposition of 11-substituted-16α,17α-methyleneazopregna-1,4-dien-3, 20-dione I proceeded smoothly th......
A novel and efficient route of synthesizing 1, 2, 4-triazoline-5-ones is reported. The title compounds can be prepared i......
通过选择性酯化反应,合成柠檬酸月桂醇单酯。将等浓度的柠檬酸和多聚甲醛加热,反应生成柠檬酸缩醛环酯(Ⅰ),产率为63%;(Ⅰ)与乙酸酐反......
探讨了八种不同来源水解酶催化吉西他滨乙酰化反应的催化活性,结果发现,有四种脂肪酶能够催化该酰化反应,且它们的产物只有一种,其......
以CuI为催化剂,L-脯氨酸为配体,Cs2CO3为碱,DMF为溶剂,在30℃下,用2,x-二溴吡啶和硫酚或硫醇反应,高产率和高区域选择性地得到2位烃硫基取......
Over the past few decades, Carbon-Carbon (C-C) and carbon-heteroatom (C-Y) bond formation are among the most important p......