Metal-free oxidative cyclization of 2-aminobenzothiazoles and cyclic ketones enabled by the combination of elemental sulfur and oxygen

2017 ◽  
Vol 19 (18) ◽  
pp. 4294-4298 ◽  
Author(s):  
Yanjun Xie ◽  
Xiangui Chen ◽  
Zhen Wang ◽  
Huawen Huang ◽  
Bing Yi ◽  
...  
Keyword(s):  
Elemental Sulfur ◽  
Oxidative Cyclization ◽  
Cyclic Ketones ◽  
Metal Free

Aerobic cyclization of 2-aminobenzothiazoles and cyclic ketones enabled by the combination of elemental sulfur and oxygen under metal-free conditions.

Metal-free oxidative cyclization of trifluoroacetimidohydrazides with methylhetarenes: a facile access to 3-hetaryl-5-trifluoromethyl-1,2,4-triazoles

2021 ◽  
Author(s):  
Xiao-Feng Wu ◽  
Zhengkai Chen ◽  
Jiajun Zhang ◽  
Tian-Hui Xu
Keyword(s):  
Oxidative Cyclization ◽  
Efficient Synthesis ◽  
Metal Free

A metal-free oxidative cyclization of trifluoroacetimidohydrazides with methylhetarenes for the efficient synthesis of 3-hetaryl-5-trifluoromethyl-1,2,4-triazoles has been developed. Notable features of this protocol include readily accessible starting materials, a broad substrate...

ChemInform Abstract: I2Promoted Domino Oxidative Cyclization for One-Pot Synthesis of 2-Acylbenzothiazoles via Metal-Free sp3C-H Functionalization.

ChemInform ◽  
2012 ◽  
Vol 43 (52) ◽  
pp. no-no
Author(s):  
Yan-Ping Zhu ◽  
Mi Lian ◽  
Feng-Cheng Jia ◽  
Mei-Cai Liu ◽  
Jing-Jing Yuan ◽  
...  
Keyword(s):  
Oxidative Cyclization ◽  
One Pot ◽  
Metal Free ◽  
One Pot Synthesis

scholarly journals Metal-free direct thiocarbamation of imidazopyridines with carbamoyl chloride and elemental sulfur

RSC Advances ◽  
2017 ◽  
Vol 7 (85) ◽  
pp. 54013-54016 ◽  
Author(s):  
Jian-Chao Deng ◽  
Shi-Bin Zhuang ◽  
Quan-Zhu Liu ◽  
Zi-Wei Lin ◽  
Yu-Liang Su ◽  
...  
Keyword(s):  
Elemental Sulfur ◽  
Metal Free

Metal-free direct thiocarbamation of imidazopyridines using elemental sulfur.

Electrochemical Oxidative Cyclization of Alkenes, Boronic Acids, and Dichalcogenides to Access Chalcogenated Boronic Esters and 1,3-Diols

2021 ◽  
Author(s):  
Changfeng Huang ◽  
Jijing Hu ◽  
Guangxian Chen ◽  
Minjian Wu ◽  
Hua Cao ◽  
...  
Keyword(s):  
Boronic Acids ◽  
Oxidative Cyclization ◽  
Environmentally Benign ◽  
Allylic Alcohols ◽  
Efficient Manner ◽  
Metal Free ◽  
Boronic Esters

A sustainable, environmentally benign electrochemical oxidative three-component cyclization of allylic alcohols, boronic acids, and dichalcogenides under metal-free and oxidant-free conditions has been developed, which provides an efficient manner for the...

Metal-free cyclization of unsaturated hydrazones for the divergent assembly of pyrazolones and pyrazolines

2019 ◽  
Vol 55 (61) ◽  
pp. 8943-8946 ◽  
Author(s):  
Xiaobing Liu ◽  
Yao Zhou ◽  
Qiuling Song
Keyword(s):  
Oxidative Cyclization ◽  
Metal Free

An oxidative cyclization of β,γ-unsaturated hydrazones for the divergent assembly of pyrazolones and pyrazolines under metal-free conditions is presented.

Metal-Free Dehydrogenative Double C–H Sulfuration To Access Thieno[2,3-b]indoles Using Elemental Sulfur

2019 ◽  
Vol 84 (20) ◽  
pp. 12946-12959 ◽  
Author(s):  
Jianming Liu ◽  
Yanyan Zhang ◽  
Yuanyuan Yue ◽  
Zhixian Wang ◽  
Huibin Shao ◽  
...  
Keyword(s):  
Elemental Sulfur ◽  
Metal Free

Synthesis of α-Keto Thioamides by Metal-Free C═C Bond Cleavage in Enaminones Using Elemental Sulfur

2018 ◽  
Vol 84 (2) ◽  
pp. 1064-1069 ◽  
Author(s):  
Lu Gan ◽  
Yong Gao ◽  
Li Wei ◽  
Jie-Ping Wan
Keyword(s):  
Elemental Sulfur ◽  
Bond Cleavage ◽  
Metal Free
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