Base Mediated 1,2-Carboboration: Direct Access to Multisubstituted Alkenyl and Alkylboronates [0.03%]
基于底物的1,2-碳硼烷化反应:直接获得多种取代亚甲基和亚甲硼𬭩酯类化合物的新方法
Suma Basappa,Aishwarya Prakash,Adithya K P et al.
Suma Basappa et al.
We have developed a base-mediated 1,2-carboboration of commercially accessible alkynes for the construction of regio- and stereodefined alkenylboronates. This unprecedented reaction is enabled by sodium ethoxide (NaOEt) as a base and alkyl ...
Photochemical-Promoted Cross-Coupling Reaction of Alkyl Boronate Esters with DNA-Conjugated Aryl Bromides for DNA-Encoded Library Synthesis [0.03%]
烷基硼酸酯与DNA连接的芳基溴化物的光化学促进交叉偶联反应在DNA编码库合成中的应用
Baiyang Mu,Yiwei Zhang,Xudong Wang et al.
Baiyang Mu et al.
The C(sp2)-C(sp3) cross-coupling reaction is an effective way to increase the C(sp3) content in compound collections for drug discovery, enhancing molecular diversity and offering a unique chemistry starting point. In this study, we report ...
Steric and Electronic Effects of Zirconocenealkyl-Borate Ion Pairs on Catalyst Activation: A Theoretical Study [0.03%]
夹心锆茂基烷基硼酸盐离子对的立体和电子效应对催化剂活化的影响——理论研究
Wijitra Meelua,Tanchanok Wanjai,Julianna Oláh et al.
Wijitra Meelua et al.
The effectiveness of metallocene catalysts in the cationic ring-opening polymerization (cationic ROP) of ε-caprolactone (CL) is influenced by the choice of metallocene/borate systems, particularly their bulkiness. Recent research examines ...
CuI-Zeolite Catalysis for Biaryl Synthesis via Homocoupling Reactions of Phenols or Aryl Boronic Acids [0.03%]
通过酚或芳基硼酸的均偶联反应合成二芳基化合物的CuI-分子筛催化体系
Xiaohui Di,Tony Garnier,Arnaud Clerc et al.
Xiaohui Di et al.
Due to the importance of biaryls as natural products, drugs, agrochemicals, dyes, or organic electronic materials, a green alternative biaryl synthesis has been developed based on easy-to-prepare and cheap copper(I)-exchanged zeolite cataly...
Axially chiral α-boryl-homoallenyl boronic esters as versatile toolbox for accessing centrally and axially chiral molecules [0.03%]
轴手性α-硼基- homoallenyl 烷基硼酸酯:用于获取中心和轴向手性分子的多功能工具箱
Yonghoon Jin,Junseok Lee,Woohyun Jo et al.
Yonghoon Jin et al.
Axially chiral allenes bearing organoboron groups are highly sought-after building blocks in organic synthesis due to their potential for generating a wide range of axially and centrally chiral molecules. However, the existing methods for p...
Bromine radical release from a nickel-complex facilitates the activation of alkyl boronic acids: a boron selective Suzuki-Miyaura cross coupling [0.03%]
溴镍络合物释放的溴自由基能有效活化烷基硼酸酯实现铃木偶联反应中的广谱底物兼容性及广域功能耐受性
Monica Oliva,Serena Pillitteri,Johannes Schörgenhumer et al.
Monica Oliva et al.
In this study, without utilizing any exogenous activator or strong oxidants, we successfully employed inactivated and easily accessible alkyl boronic acids (BAs) as coupling partners in a photocatalyzed Suzuki-Miyaura reaction under batch a...
Electrochemical deconstruction of alkyl substituted boron clusters to produce alkyl boronate esters [0.03%]
通过电化学方法拆解烷基取代的硼簇化合物以生产烷基硼酸酯类物质
Huanhuan Xie,Xinying Gao,Beibei Dong et al.
Huanhuan Xie et al.
Closo-Hexaborate (closo-B6H62-) can engage in nucleophilic substitution reactions with a wide variety of alkyl electrophiles. The resulting functionalized boron clusters undergo oxidative electrochemical deconstruction, selectively cleaving...
Yunyi Zhao,Zekun Yang,Xin Wang et al.
Yunyi Zhao et al.
α-halo alkylboronic esters, acting as ambiphilic synthons, play a pivotal role as versatile intermediates in fields like pharmaceutical science and organic chemistry. The sequential transformation of carbon-boron and carbon-halogen bonds i...
Synthesis of deoxybenzoins from β-alkoxy styrenes and arylboronic acids via palladium-catalyzed regioselective Heck-arylation reactions [0.03%]
钯催化区域选择性Heck交叉偶联反应合成脱氧苯酮类化合物
Rapelly Venkatesh,Aswathi C Narayan,Jeyakumar Kandasamy
Rapelly Venkatesh
Palladium-catalyzed synthesis of deoxybenzoin derivatives from styryl ethers and arylboronic acids is reported. The reaction proceeds under mild conditions in the presence of TEMPO and provides the desired products in good to excellent yiel...
Asymmetric Synthesis of SCF3-Substituted Alkylboronates by Copper-Catalyzed Hydroboration of 1-Trifluoromethylthioalkenes [0.03%]
铜催化的1-三氟甲硫代烯烃的不对称加成反应合成SCF3取代的烷基硼酸酯
Yuki Kojima,Yuji Nishii,Koji Hirano
Yuki Kojima
A synthetic method for preparation of optically active trifluoromethylthio (SCF3) compounds by a copper-catalyzed regio- and enantioselective hydroboration of 1-trifluoromethylthioalkenes with H-Bpin has been developed. The enantioselective...
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