Metal- and radical-free aerobic oxidation of heteroaromatic methanes: an efficient synthesis of heteroaromatic aldehydes

2019 ◽  
Vol 17 (17) ◽  
pp. 4220-4224 ◽  
Author(s):  
Rongzi Ye ◽  
Yuanjie Cao ◽  
Xiaoxiang Xi ◽  
Long Liu ◽  
Tieqiao Chen
Keyword(s):  
Catalytic System ◽  
Aerobic Oxidation ◽  
Methyl Groups ◽  
Efficient Synthesis ◽  
Metal Free ◽  
System P

A metal-free and radical-free synthesis of heteroaromatic aldehydes was developed through aerobic oxidation of methyl groups in an I2/DMSO/O2 catalytic system.

K2S2O8-mediated metal-free direct C–H functionalization of quinones using arylboronic acids

2015 ◽  
Vol 2 (12) ◽  
pp. 1616-1620 ◽  
Author(s):  
Andivelu Ilangovan ◽  
Ashok Polu ◽  
Gandhesiri Satish
Keyword(s):  
Catalytic System ◽  
Metal Free ◽  
Arylboronic Acids ◽  
System P

Direct C–H functionalization of quinones with arylboronic acids is achieved using K2S2O8 as the sole and efficient green catalytic system.

Selectivity-tunable amine aerobic oxidation catalysed by metal-free N,O-doped carbons

2019 ◽  
Vol 55 (81) ◽  
pp. 12251-12254 ◽  
Author(s):  
Yingguang Li ◽  
Sensen Shang ◽  
Lianyue Wang ◽  
Ying Lv ◽  
Jingyang Niu ◽  
...  
Keyword(s):  
Catalytic System ◽  
Primary Amine ◽  
Aerobic Oxidation ◽  
Metal Free ◽  
Amine Oxidation

The first metal-free N,O-doped mesoporous carbo-catalytic system successfully switches between imine and nitrile products for primary amine oxidation.

A practical route to azo compounds by metal-free aerobic oxidation of arylhydrazides using an NOx system

2020 ◽  
Vol 7 (6) ◽  
pp. 834-839
Author(s):  
Giwon Jo ◽  
Min Hye Kim ◽  
Jinho Kim
Keyword(s):  
Aerobic Oxidation ◽  
Azo Compounds ◽  
Environment Friendly ◽  
Metal Free ◽  
System P

Metal-free aerobic oxidation of aryl hydrazides catalyzed by NOx was developed for the practical and environment friendly synthesis of azo compounds.

scholarly journals Metal-free regioselective hydrochlorination of unactivated alkenes via a combined acid catalytic system

2018 ◽  
Vol 20 (3) ◽  
pp. 680-684 ◽  
Author(s):  
Shengzong Liang ◽  
Gerald B. Hammond ◽  
Bo Xu
Keyword(s):  
Acetic Acid ◽  
Catalytic System ◽  
Metal Free ◽  
System P ◽  
Wide Range

A combined acid HCl/DMPU-acetic acid catalytic system was used in the hydrochlorination of a wide range of unactivated alkenes.

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