ChemInform Abstract: Synthesis of 6-Trichloromethylphenanthridines by Transition Metal-Free Radical Cyclization of 2-Isocyanobiphenyls.

ChemInform ◽  
2016 ◽  
Vol 47 (44) ◽  
Author(s):  
Yuhan Zhou ◽  
Changpeng Wu ◽  
Xiaoliang Dong ◽  
Jingping Qu
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Radical Cyclization ◽  
Metal Free

Synthesis of 6-Trichloromethylphenanthridines by Transition Metal-Free Radical Cyclization of 2-Isocyanobiphenyls

2016 ◽  
Vol 81 (12) ◽  
pp. 5202-5208 ◽  
Author(s):  
Yuhan Zhou ◽  
Changpeng Wu ◽  
Xiaoliang Dong ◽  
Jingping Qu
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Radical Cyclization ◽  
Metal Free

Deaminative carbonylative thioesterification of activated alkylamines with thiophenols under transition-metal-free conditions

2021 ◽  
Author(s):  
Fengqian Zhao ◽  
Xiao-Feng Wu
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Metal Free

A transition-metal-free radical carbonylation of activated alkylamines with thiophenols has been successfully developed. Various thioesters were selectively produced with moderate to good yields.

A metal-free radical cascade reaction of phosphine oxides with 2-aryloxy phenylacetylenes to assemble diphosphonyl xanthene derivatives

2021 ◽  
Author(s):  
Tao Fan ◽  
Yan Liu ◽  
Caina Jiang ◽  
Yanli Xu ◽  
Yan-Yan Chen
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Cascade Reaction ◽  
Phosphine Oxides ◽  
Metal Free ◽  
Mild Conditions ◽  
Xanthene Derivatives ◽  
Reaction Proceeds ◽  
Radical Cascade

A radical cascade reaction of 2-aryloxy phenylacetylene with phosphine oxides promoted by K2S2O8 was developed, provided diphosphonyl xanthenes as products. This reaction proceeds under transition metal-free and mild conditions with...

Insertion Reaction of 2-Halo-N-allylanilines with K2S Involving Trisulfur Radical Anion: Synthesis of Benzothiazole Derivatives under Transition-Metal-Free Conditions

Synthesis ◽  
2020 ◽  
Author(s):  
Yan-Wei Zhao ◽  
Shun-Yi Wang ◽  
Xin-Yu Liu ◽  
Tian Jiang ◽  
Weidong Rao
Keyword(s):  
Transition Metal ◽  
Radical Anion ◽  
Radical Cyclization ◽  
Transition Metal Catalysis ◽  
Insertion Reaction ◽  
Metal Catalysis ◽  
Metal Free ◽  
Benzothiazole Derivatives

AbstractA synthesis of benzothiazole derivatives through the reaction of 2-halo-N-allylanilines with K2S in DMF is developed. The trisulfur radical anion S3·–, which is generated in situ from K2S in DMF, initiates the reaction without transition-metal catalysis or other additives. In addition, two C–S bonds are formed and heteroaromatization of benzothiazole is triggered by radical cyclization and H-shift.

scholarly journals Transition-Metal-Free Radical C(sp3)–C(sp2) and C(sp3)–C(sp3) Coupling Enabled by 2-Azaallyls as Super-Electron-Donors and Coupling-Partners

2017 ◽  
Vol 139 (45) ◽  
pp. 16327-16333 ◽  
Author(s):  
Minyan Li ◽  
Simon Berritt ◽  
Lucas Matuszewski ◽  
Guogang Deng ◽  
Ana Pascual-Escudero ◽  
...  
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Electron Donors ◽  
Metal Free

Transition-metal-free polycyclic indoline formation via a free radical pathway: a computational mechanistic study

2020 ◽  
Vol 139 (3) ◽  
Author(s):  
Chenguang Luo ◽  
Lin Lu ◽  
Lin Zhang ◽  
Zuoyin Yang ◽  
Min Pu ◽  
...  
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Mechanistic Study ◽  
Metal Free

scholarly journals α-Perfluoroalkyl-β-alkynylation of alkenes via radical alkynyl migration

2017 ◽  
Vol 8 (10) ◽  
pp. 6888-6892 ◽  
Author(s):  
Xinjun Tang ◽  
Armido Studer
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Metal Free

Transition metal-free radical α-perfluoroalkylation with concomitant β-alkynylation of unactivated alkenes is presented.

Microwave-assisted synthesis of hydroxyl-containing isoquinolines by metal-free radical cyclization of vinyl isocyanides with alcohols

2017 ◽  
Vol 15 (47) ◽  
pp. 10044-10052 ◽  
Author(s):  
Dengqi Xue ◽  
Hao Chen ◽  
Yulong Xu ◽  
Haihua Yu ◽  
Linqian Yu ◽  
...  
Keyword(s):  
Free Radical ◽  
Radical Cyclization ◽  
Cyclization Reaction ◽  
Microwave Assisted Synthesis ◽  
Metal Free ◽  
Microwave Assisted

A convenient microwave-assisted protocol for the synthesis of hydroxyl-containing isoquinolines from a metal-free radical cyclization reaction of vinyl isonitriles with alcohols was developed with moderate-to-excellent yields.

Transition-metal-free and organic solvent-free conversion of N-substituted 2-aminobiaryls into corresponding carbazoles via intramolecular oxidative radical cyclization induced by peroxodisulfate

2017 ◽  
Vol 19 (24) ◽  
pp. 5854-5861 ◽  
Author(s):  
Palani Natarajan ◽  
Priya Priya ◽  
Deachen Chuskit
Keyword(s):  
Transition Metal ◽  
Organic Solvent ◽  
Radical Cyclization ◽  
Solvent Free ◽  
Environmentally Benign ◽  
Metal Free ◽  
Benign Synthesis ◽  
Oxidative Radical Cyclization

An atom-economical and environmentally benign synthesis of N-substituted carbazoles is described. This methodology afforded products in 90–120 minutes.

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