Results 1 to 10 of about 2,786 (190)

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
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Organometallic-type reactivity of stable organoboronates for selective (hetero)arene C−H/C-halogen borylation and beyond [PDF]

Nature Communications
Organometallic reagents are essential tools in both academic and industrial laboratories and the polarity separation within the carbon-metal bonds endows them with exceptional reactivities, but also imposes limitations, including air- and moisture ...
Xueting Liu, Daojing Li, Guoao Li, Mengran Wei, Shihao Yuan, Mo Yang, Linke He, Shengda Chen, Zhenxing Li, Liuzhou Gao, Guoqiang Wang, Shuhua Li   +11 more
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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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One-Pot Iridium Catalyzed C–H Borylation/Sonogashira Cross-Coupling: Access to Borylated Aryl Alkynes

Molecules, 2020
Borylated aryl alkynes have been synthesized via one-pot iridium catalyzed C–H borylation (CHB)/Sonogashira cross-coupling of aryl bromides. Direct borylation of aryl alkynes encountered problems related to the reactivity of the alkyne under CHB ...
Ghayoor A. Chotana, Jose R. Montero Bastidas, Susanne L. Miller, Milton R. Smith, Robert E. Maleczka   +4 more
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Palladium-Catalyzed Cross-Coupling Reactions of Borylated Alkenes for the Stereoselective Synthesis of Tetrasubstituted Double Bond

Organics, 2022
The stereoselective formation of tetrasubstituted alkenes remains one of the key goals of modern organic synthesis. In addition to other methods, the stereoselective synthesis of tetrasubstituted alkenes can be achieved by means of cross-coupling ...
Tomáš Tobrman, Sergej Mrkobrada
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