Iodine mediated oxidative cross coupling of 2-aminopyridine and aromatic terminal alkyne: a practical route to imidazo[1,2-a]pyridine derivatives

2019 ◽  
Vol 17 (26) ◽  
pp. 6441-6449 ◽  
Author(s):  
Surya Kanta Samanta ◽  
Mrinal K. Bera
Keyword(s):  
Transition Metal ◽  
Oxidative Coupling ◽  
Cross Coupling ◽  
Terminal Alkyne ◽  
Pyridine Derivatives ◽  
Metal Free

A novel, transition-metal free route leading to imidazo[1,2-a]pyridine derivatives via iodine mediated oxidative coupling between 2-aminopyridine and aromatic terminal alkyne has been demonstrated.

scholarly journals Transition-Metal-Free Cross-Coupling of Aryl Halides with Arylstannanes

2021 ◽  
Author(s):  
Qing He ◽  
Wenli Wang ◽  
Yong Liang ◽  
Zunting Zhang ◽  
Stanislaw F. Wnuk
Keyword(s):  
Transition Metal ◽  
Cross Coupling ◽  
Aryl Halides ◽  
Metal Free

ChemInform Abstract: A Transition-Metal-Free Cross-Coupling Reaction of Allylic Bromides with Aryl- and Vinylboronic Acids.

ChemInform ◽  
2012 ◽  
Vol 43 (33) ◽  
pp. no-no
Author(s):  
Mitsuhiro Ueda ◽  
Kota Nishimura ◽  
Ryo Kashima ◽  
Ilhyong Ryu
Keyword(s):  
Transition Metal ◽  
Coupling Reaction ◽  
Cross Coupling ◽  
Metal Free ◽  
Cross Coupling Reaction

Synthesis of Alkyl-Substituted Pyrazine N -Oxides by Transition-Metal-Free Oxidative Cross-Coupling Reactions

2018 ◽  
Vol 7 (6) ◽  
pp. 1118-1123 ◽  
Author(s):  
Miao Lai ◽  
Yuan Li ◽  
Zhiyong Wu ◽  
Mingqin Zhao ◽  
Xiaoming Ji ◽  
...  
Keyword(s):  
Transition Metal ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Metal Free ◽  
Cross Coupling Reactions

scholarly journals gem-Difluoroolefination of Diazo Compounds with TMSCF3 or TMSCF2Br: Transition-Metal-Free Cross-Coupling of Two Carbene Precursors

2015 ◽  
Vol 137 (45) ◽  
pp. 14496-14501 ◽  
Author(s):  
Mingyou Hu ◽  
Chuanfa Ni ◽  
Lingchun Li ◽  
Yongxin Han ◽  
Jinbo Hu
Keyword(s):  
Transition Metal ◽  
Cross Coupling ◽  
Diazo Compounds ◽  
Metal Free

KI-Promoted Oxidative Coupling of Styrenes with Indoles under Metal-Free Conditions: Facile Access to C-3 Dicarbonyl Indoles

Synthesis ◽  
2019 ◽  
Vol 51 (18) ◽  
pp. 3511-3519
Author(s):  
Bochao Zhou ◽  
Shiyu Guo ◽  
Zheng Fang ◽  
Zhao Yang ◽  
Chengkou Liu ◽  
...  
Keyword(s):  
Efficient Method ◽  
Oxidative Coupling ◽  
Isotope Labeling ◽  
Cross Coupling ◽  
Metal Free ◽  
Broad Scope ◽  
Plausible Mechanism ◽  
Isotope Labeling Experiments

A new and efficient method for the synthesis of C-3 dicarbonyl indoles via oxidative cross-coupling of styrenes with indoles under metal-free conditions has been developed. Moreover, a broad scope of C-3 dicarbonyl indoles in moderate to good yields were obtained, and a plausible mechanism is proposed based on control and isotope-labeling experiments.

scholarly journals Transition-metal-free formal cross-coupling of aryl methyl sulfoxides and alcohols via nucleophilic activation of C-S bond

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Guolin Li ◽  
Yexenia Nieves-Quinones ◽  
Hui Zhang ◽  
Qingjin Liang ◽  
Shuaisong Su ◽  
...  
Keyword(s):  
Transition Metal ◽  
Cross Coupling ◽  
Metal Free ◽  
Aryl Methyl
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