Base-Free Borylation of Aryl Halides Enabled by Zn-Promoted Halide Abstraction [0.03%]
锌促进的卤素原子 abstraction 铝试剂介导的芳基卤化物不使用碱的硼化反应
Brittany L Gay,Lauren A Prendeville,Ya-Nong Wang et al.
Brittany L Gay et al.
Under these conditions, an array of electronically and functional-group-diverse aryl iodides and bromides undergo borylation to afford the corresponding aryl boronic esters in ≤82% isolated yields.
Photoredox Catalysis by 21-Thiaporphyrins: A Green and Efficient Approach for C-N Borylation and C-H Arylation [0.03%]
二十-one噻卟啉光催化交叉脱氢偶联反应研究：温和条件下C-N硼化和C-H芳基化的新策略
Anu Janaagal,Apoorv Kushwaha,Pranjali Jhaldiyal et al.
Anu Janaagal et al.
The heterobiaryls and aryl boronic esters were obtained in decent yields (up to 88 %). Versatility of the 21-thiaporphyrin catalyst was tested by thiolation and selenylation of anilines under similar conditions.
Wei Li,Cheng Wang,Mengdie Xiao et al.
Wei Li et al.
A copper-catalyzed protoarylation of gem-difluoroallenes with aryl boronic esters has been developed, enabling highly regioselective synthesis of gem-difluoroalkenes in high yields.
Mechanistic Avenues in the Chan-Lam-Based Etherification Reaction: A Computational Exploration [0.03%]
基于Chan-Lam反应的醚化反应机制探讨：计算研究
Thangaiyan Pooventhiran,Nripen Khilari,Debasis Koley
Thangaiyan Pooventhiran
Hammett studies for the substituted aryl boronic esters reveal higher reaction turnovers for electron-rich aryl systems. The results agree with previously reported spectroscopic and kinetic observations.
Copper Catalyzed Defluoroarylation of gem-Difluoroallenes to Allenyl Monofluorides with Aryl Boronic Esters [0.03%]
铜催化下gem-二氟代烯炔与芳基硼酸酯的偶联反应：一步构建单氟代烯丙基化合物及茋类骨架
Yiming You,Jiawen Hu,Tao Wu
Yiming You
Here we report a copper-catalyzed regioselective synthesis of such structures with inexpensive and accessible aryl boronic esters under mild conditions. Arylated allenyl monofluorides were stable enough to be isolated and easily converted to various other fluorine-containing blueprints.
Arene C-H borylation strategy enabled by a non-classical boron cluster-based electrophile [0.03%]
非经典硼簇基路易斯酸活化ARENEBORYLATION反应的新策略
Sangmin Kim,Joseph W Treacy,Yessica A Nelson et al.
Sangmin Kim et al.
The combination of these two steps allows for the preparation of aryl boronic esters that are hardly accessible by current direct C-H borylation approaches. This reaction does not require any precious metals, highly-engineered ligands, pre-functionalized boron reagents, or inert conditions.
Air-Stable Iron-Based Precatalysts for Suzuki-Miyaura Cross-Coupling Reactions between Alkyl Halides and Aryl Boronic Esters [0.03%]
用于烷基卤化物和芳基硼酸酯之间的Suzuki-Miyaura交叉偶联反应的空气稳定型铁基预催化剂
Alexander S Wong,Bufan Zhang,Bo Li et al.
Alexander S Wong et al.
The development of an air-stable iron(III)-based precatalyst for the Suzuki-Miyaura cross-coupling reaction of alkyl halides and unactivated aryl boronic esters is reported.
Solvent Anions Enable Photoinduced Borylation and Phosphonation of Aryl Halides via EDA Complexes [0.03%]
溶剂阴离子通过EDA复合物使芳基卤化物发生光诱导硼化和磷化的研究
Lei Pan,Macy M Deckert,Maria Victoria Cooke et al.
Lei Pan et al.
We report the synthesis of aryl boronic esters and aryl phosphonate esters promoted by visible-light in the absence of transition-metals or photoredox catalysts.
Molecularly Defined Polyolefin Vitrimers from Catalytic Insertion Polymerization [0.03%]
由催化插入聚合得到的分子定义型聚 olefin vitrimers
Lukas Odenwald,Florian P Wimmer,Nina K Mast et al.
Lukas Odenwald et al.
Here, we report the generation of functionalized polyethylenes directly by catalytic insertion polymerization, with incorporated cross-linkable aryl boronic esters or alternatively acetal-protected groups suited for cross-linking with difunctional boronic esters.
Aryl Boronic Esters Are Stable on Silica Gel and Reactive under Suzuki-Miyaura Coupling Conditions [0.03%]
芳基硼酸酯在硅胶上稳定且在Suzuki-Miyaura偶联条件下反应性良好
Naoki Oka,Tsuyoshi Yamada,Hironao Sajiki et al.
Naoki Oka et al.
Purifying aryl boronic esters by conventional silica gel chromatography is generally challenging; however, these introduced derivatives are easily purified on silica gel and isolated in excellent yields.
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