Synthesis of β -aminoesters and α -selenoesters via Active Metal Bismuth Produced by Sm/BiCl3 System

来源 :中国化学快报 | 被引量 : 0次 | 上传用户:cuibo1000
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Active metal bismuth is produced in situ via Sm/BiCl3 system in aqueous media. Promoted by this active species, β-aminoesters and α-selenoesters are synthesized via reaction of α-bromoesters with 1-(a -aminoalkyl ) benzotriazole and diselenides in moderate to good yields.
其他文献
用气相电子衍射法和质谱法相联合,分析了二元混合超声气流的剖面和质量分布情况。证明质谱利于确定气流剖面和气流中粒子的质量分布,而电子衍射则可以给出气流剖面和气流中生成
The purpose of this paper is to study the theory of conservative estimating functions in nonlinear regression model with aggregated data. In this model, a quasi
制备了一系列磁铅石型复合氧化物CaNiyAl12-Yo19-δy=0.3,0.6,0.9,1.0),并用XRD、XPS、TPR和TGA技术对其结构和性能进行了表征。结果表明,该系列复合氧化物具有相同的晶体结构
The paper studies the zeros of2mIm/Im-1 -(m+1)Ii/Io, where Im are the Bessel functions.
An investigation of the structural conversion in microemulsion system of sodium dodecylsulfonate-butanol-heptane-water was carried out by cyclic voltammetry and
The thermal property of the polymerization of brain tubulin was studied by a high-sensitivity differential scanning calorimeter. The phenomenon that heat flows
通过分子模拟途径,对有机模板剂分子与沸石骨架间非成键互作用的能学分析,论证不同链长的双季铵盐[(CH3)3N(CH2)nN(CH3)3]2Br-在四种沸石(ZSM-50、ZSM-12、NU-87和ZSM-23)合成中所起的模板作
By using a Rosenthal type inequality established in this paper,the complete convergence and almost sure summability on the convergence rateswith respect to the
A numerical simulation was performed to study the roll-up of vortex sheet behind a slender delta-wing and the evolution of vortex layer shed by a plunging airfo
A method is described for coating fine iron particles(~1μm) with a uniform silica layer,produced by the hydrolysis of tetraethyl orthosilicate.The presence of a