Results 1 to 10 of about 2,853 (118)

Polymeric iridium catalysts for C–H borylation of arenes under batch and continuous flow conditions [PDF]

Communications Chemistry
Iridium-catalyzed direct C–H borylation of arenes has been extensively studied as an efficient method for synthesizing arylboronates. However, this transformation predominantly relies on homogeneous iridium catalysts, which are typically air-sensitive ...
Zhenzhong Zhang, Aya Ohno, Yoichi M. A. Yamada   +2 more
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Triazine-based cobalt pincer complex for regioselective C-H borylation of furans [PDF]

Scientific Reports
Selective C-H borylation of heteroarenes is a valuable strategy for accessing organoboron intermediates, with cobalt pincer complexes demonstrating the potential of first-row transition metals as efficient alternatives to precious-metal catalysts.
Dariusz Lewandowski, Grzegorz Hreczycho
doaj   +2 more sources

Ligand-enabled C–H borylation of diverse classes of arenes

Tetrahedron Chem, 2022
Here we report a new 6,6′-bipyridine based ligand framework for the iridium-catalysed regioselective ortho borylation of diverse classes of arenes containing different functional groups.
Md Emdadul Hoque, Sayan Dey, Mirja Md Mahamudul Hassan, Jagriti Chaturvedi, Saikat Guria, Jaitri Das, Brindaban Roy, Buddhadeb Chattopadhyay   +7 more
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Development of a New Methodology for Dearomative Borylation of Coumarins and Chromenes and Its Applications to Synthesize Boron-Containing Retinoids

Molecules, 2023
Dearomative borylation of coumarins and chromenes via conjugate addition represents a relatively unexplored and challenging task. To address this issue, herein, we report a new and general copper (I) catalyzed dearomative borylation process to synthesize
Bhaskar C. Das, Pratik Yadav, Sasmita Das, Mariko Saito, Todd Evans   +4 more
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Transition metal-free visible light photoredox-catalyzed remote C(sp3)−H borylation enabled by 1,5-hydrogen atom transfer

Communications Chemistry, 2023
The borylation of unreactive carbon-hydrogen bonds is a valuable method for transforming feedstock chemicals into versatile building blocks. Here, we describe a transition metal-free method for the photoredox-catalyzed borylation of unactivated C(sp3)−H ...
Beiqi Sun, Wenke Li, Qianyi Liu, Gaoge Zhang, Fanyang Mo   +4 more
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Photoelectrochemical oxidative C(sp3)−H borylation of unactivated hydrocarbons

Nature Communications, 2023
Organoboron compounds are of high significance in organic synthesis due to the unique versatility of boryl substituents to access further modifications.
Ping-Fu Zhong, Jia-Lin Tu, Yating Zhao, Nan Zhong, Chao Yang, Lin Guo, Wujiong Xia   +6 more
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Pyridinium-catalyzed decarboxylative borylation of benzoyl peroxides

Green Synthesis and Catalysis, 2021
A pyridinium salt catalyzed radical borylation of benzoyl peroxides is reported herein. A range of benzoyl peroxides having different electronic properties were well compatible in this borylation reaction, delivering various arylboronates in good yields ...
Shuxian Zhu, Jianxiang Yan, Yao Zhou, Kai Yang, Qiuling Song   +4 more
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Arene C–H borylation strategy enabled by a non-classical boron cluster-based electrophile

Nature Communications, 2023
Electrophilic borylation of sterically hindered arenes is a challenging transformation. Here, authors report a metal-free electrophilic C–H borylation of hindered arenes using a boron cluster reagent producing valuable aryl boronic esters.
Sangmin Kim, Joseph W. Treacy, Yessica A. Nelson, Jordan A. M. Gonzalez, Milan Gembicky, K. N. Houk, Alexander M. Spokoyny   +6 more
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Updated Progress of the Copper-Catalyzed Borylative Functionalization of Unsaturated Molecules

Molecules, 2023
Borylation has become a powerful method to synthesize organoboranes as versatile building blocks in organic synthesis, medicinal chemistry, and materials science.
Bingru Li, Huayu Liang, Arumugam Vignesh, Xiaoyu Zhou, Yan Liu, Zhuofeng Ke   +5 more
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Group-assisted purification (GAP) chemistry for the synthesis of Velcade via asymmetric borylation of N-phosphinylimines

Beilstein Journal of Organic Chemistry, 2014
A new approach to the anticancer drug Velcade was developed by performing asymmetric borylation of an imine anchored with a chiral N-phosphinyl auxiliary.
Jian-bo Xie, Jian Luo, Timothy R. Winn, David B. Cordes, Guigen Li   +4 more
doaj   +1 more source