Dibromination of cinnamamides with CBr4 under mild conditions

2021 ◽  
Vol 18 ◽  
Author(s):  
Zaigang Luo ◽  
Shuai Liu ◽  
Chengtong Peng ◽  
Xiuxiu Wang ◽  
Xuemei Xu
Keyword(s):  
Free Radical ◽  
Mechanism Study ◽  
Experimental Operation ◽  
Mild Conditions ◽  
Catalyst Free

: A novel, mild and efficient protocol to synthesize dibrominated propanamides has been developed. The presented methodology provides several merits, such as easy-to-handle and stable brominated substrate, catalyst-free, additive free and facile experimental operation. The preliminary mechanism study indicated that a free radical pathway might be involved in the presented reaction.

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...

scholarly journals Excitation of aryl cations as the key to catalyst-free radical arylations

2021 ◽  
Vol 2 (2) ◽  
pp. 100325
Author(s):  
Sina Witzel ◽  
Marvin Hoffmann ◽  
Matthias Rudolph ◽  
Marion Kerscher ◽  
Peter Comba ◽  
...  
Keyword(s):  
Free Radical ◽  
Catalyst Free

Free Radical Copolymerization of Ethylene with Vinyl Acetate under Mild Conditions

2017 ◽  
Vol 50 (9) ◽  
pp. 3516-3523 ◽  
Author(s):  
A. Zarrouki ◽  
E. Espinosa ◽  
C. Boisson ◽  
V. Monteil
Keyword(s):  
Free Radical ◽  
Vinyl Acetate ◽  
Radical Copolymerization ◽  
Free Radical Copolymerization ◽  
Mild Conditions

Continuous flow processes for the S-alkynylation of cysteine-containing peptides and thioglycoside under catalyst-free, oxidant-free and mild conditions

2021 ◽  
Author(s):  
Long-Zhou Qin ◽  
Xin Yuan ◽  
Jie Liu ◽  
Meng-yu Wu ◽  
Qi Sun ◽  
...  
Keyword(s):  
Continuous Flow ◽  
Mild Conditions ◽  
Catalyst Free ◽  
Flow Processes ◽  
Novel Method

Herein, we develop a novel method for the selective alkynylation of cysteine-containing peptides and 1-thioglycoside residues by the use of continuous flow. This method was characterised by the mild conditions...

scholarly journals Visible Light Promoted, Catalyst‐Free Radical Carbohydroxylation and Carboetherification under Mild Biomimetic Conditions

2020 ◽  
Author(s):  
Lisa‐Marie Altmann ◽  
Viviane Zantop ◽  
Pia Wenisch ◽  
Nina Diesendorf ◽  
Markus R. Heinrich
Keyword(s):  
Free Radical ◽  
Visible Light ◽  
Catalyst Free

Anhydrous Conditions Enable the Catalyst‐Free Carboxylation of Aromatic Alkynes with CO 2 under Mild Conditions

2020 ◽  
Vol 103 (2) ◽  
Author(s):  
Davide Toniolo ◽  
Felix D. Bobbink ◽  
Paul J. Dyson ◽  
Marinella Mazzanti
Keyword(s):  
Mild Conditions ◽  
Catalyst Free

Construction of benzothiophene fused pyrrolidone in water via a catalyst-free process and a mechanism study

2020 ◽  
Vol 22 (20) ◽  
pp. 6798-6803 ◽  
Author(s):  
Jinhui Shen ◽  
Aimin Yu ◽  
Lei Zhang ◽  
Xiangtai Meng
Keyword(s):  
Environmentally Benign ◽  
Domino Reaction ◽  
Mechanism Study ◽  
Catalyst Free ◽  
Free Process

A novel three-component domino reaction towards benzothiophene fused pyrrolidone derivatives was developed in an environmentally benign manner.

Catalyst-free, visible-light-promoted S–H insertion reaction between thiols and α-diazoesters

2020 ◽  
Vol 18 (46) ◽  
pp. 9494-9498
Author(s):  
Jingya Yang ◽  
Ganggang Wang ◽  
Shuwen Chen ◽  
Ben Ma ◽  
Hongyan Zhou ◽  
...  
Keyword(s):  
Visible Light ◽  
Insertion Reaction ◽  
Mild Conditions ◽  
Catalyst Free

A catalyst- and additive-free, visible-light-promoted S–H insertion reaction between thiols and α-diazoesters has been developed under mild conditions.

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