hydroboration相关论文
A number of transition-metal complexes have been found to be efficient catalysts for kinds of hydroboration.[1] This sho......
Over the past few decades,the C-B bond formation has drawn substantial attention in organic synthesis due to the diverse......
发展温和条件下胺类化合物的高效合成方法是催化与合成领域长期研究的课题.其中,酰胺还原因其原料来源广、易于合成而广受关注.酰......
B(C6F5)3-Catalyzed Hydroboration of Alkenes with N-Heterocyclic Carbene Boranes via B—H Bond Activat
In this work,a novel mode for the activation of N-heterocyclic carbene boranes (NHC-boranes) was developed by generating......
Synthesis of difluoromethylated benzylborons via rhodium(I)-catalyzed fluorine-retainable hydroborat
The synthesis of borylated organofluorines is of great interest due to their potential values as synthons in modular con......
Polyoxometalate-loaded Nanocellulose Sponge as a Novel Catalyst for the Regioselective Hydroboration
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
β-蒎烯是一个重要的有机合成原料,但我国松节油中的β-蒎烯含量甚少,主要为α-蒎烯·将α-蒎烯异构化成为β-衍生物已有许多......
在前报中,我们应用外源性硼烷进行硼氢化反应,成功地改进了合成雌三醇(3)的工艺,收率高达85~95%;并以闪式柱层析分离出两个副产物:表......
在醇和表面活性剂存在下,利用晶种晶析法将DL-氨基丙酸进行光学拆分制备L-氨基丙酸,再经酯化、硼氢化钠还原合成L-氧氟沙星的重要中......
采用前驱体分子结构设计的方法,通过氨解、硼氢化反应制备聚硼硅氮烷(PBSZ)。以氯化锆为锆源,通过锆/锂取代反应将锆原子引入PBSZ......
采用经典硼氢化反应,通过硼烷二级硫醚(BH3·SMe2)与二甲基二乙烯基硅烷(DVS)反应,合成了聚硼碳硅烷(PBCS)陶瓷先驱体,PBCS在氮气中经高......
利用量子化学从头计算法RHF/STO-3G基组对甲基腈和氢氰酸硼氢化反应进行了理论研究。微扰分子轨道理论分析表明:在甲基腈硼氢化反应中,过渡态的......
<正> 化合物(2)和(3)经分子间和分子内的Diels-Alder反应是合成六氢萘和六氢(或八氢)萘骈呋喃的有效方法,如2与丁炔1,4二酸甲酯反......
在B3LYP/6-31G*水平上以二甲醚(Me2O)模拟四氢呋喃(THF)对烯烃在THF溶液中硼氢化反应的机理进行了研究. 计算结果发现, 烯烃通过类......
<正> 烯烃的硼氢化是一重要的有机反应。一些天然的萜烯化合物经硼氢化反应生成相应的手性硼烷,它们是一类出色的不对称合成试剂。......
Polyoxometalate-loaded Nanocellulose Sponge as a Novel Catalyst for the Regioselective Hydroboration
In this work,an amino-modified cellulose nanofiber sponge was prepared and used as a support for polyoxometalate(POM)cat......