Efficient construction of C–S and C–N bonds via metal-free reductive coupling of N-tosylhydrazones with benzo[d]thiazole-2-thiol

RSC Advances ◽  
2014 ◽  
Vol 4 (32) ◽  
pp. 16855-16863 ◽  
Author(s):  
Yuqing Lin ◽  
Puying Luo ◽  
Qiang Zheng ◽  
Yumei Liu ◽  
Xiaoyan Sang ◽  
...  
Keyword(s):  
Reductive Coupling ◽  
Thiazole Derivatives ◽  
Efficient Procedure ◽  
Metal Free ◽  
Efficient Construction

An efficient procedure for the synthesis of diverse benzo[d]thiazole derivatives has been developed via metal-free reductive coupling of N-tosylhydrazones with benzo[d]thiazole-2-thiols.

ChemInform Abstract: Efficient Construction of C-S and C-N Bonds via Metal-Free Reductive Coupling of N-Tosylhydrazones with Benzo[d]thiazole-2-thiol.

ChemInform ◽  
2014 ◽  
Vol 45 (50) ◽  
pp. no-no
Author(s):  
Yuqing Lin ◽  
Puying Luo ◽  
Qiang Zheng ◽  
Yumei Liu ◽  
Xiaoyan Sang ◽  
...  
Keyword(s):  
Reductive Coupling ◽  
Metal Free ◽  
Efficient Construction

Metal-free Reductive Coupling of Biphenyl Tosylhydrazones with Phenols or Benzyl Alcohols

2017 ◽  
Vol 14 (10) ◽  
Author(s):  
Yang Liu ◽  
Ping Liu ◽  
Yan Liu ◽  
Yu Wei ◽  
Bin Dai
Keyword(s):  
Reductive Coupling ◽  
Benzyl Alcohols ◽  
Metal Free

PEG-400 as carbon synthon: highly selective synthesis of quinolines and methylquinolines under metal-free conditions

2021 ◽  
Author(s):  
Chengcheng Ding ◽  
Shichen Li ◽  
Kaili Feng ◽  
Ma Chen
Keyword(s):  
Selective Synthesis ◽  
Efficient Procedure ◽  
Metal Free ◽  
Peg 400

A metal-free, peroxide-free, and efficient procedure for the highly selective synthesis of quinolines and methylquinolines was reported. The main feature of this method was that the same substrate can produce...

Iodine-mediated C–N and C–S bond formation: regioselective synthesis of benzo[4,5]imidazo[2,1-b]thiazoles

2017 ◽  
Vol 41 (1) ◽  
pp. 75-80 ◽  
Author(s):  
Sethurajan Ambethkar ◽  
Muthalu Vellimalai ◽  
Vediappen Padmini ◽  
Nattamai Bhuvanesh
Keyword(s):  
Reaction Time ◽  
Intramolecular Cyclization ◽  
Simple Procedure ◽  
Bond Formation ◽  
Molecular Iodine ◽  
Regioselective Synthesis ◽  
Thiazole Derivatives ◽  
Short Reaction Time ◽  
Metal Free

The regioselective synthesis of benzo[4,5]imidazo[2,1-b]thiazole derivatives via amination (C–N) and intramolecular cyclization (C–S) reactions in the presence of molecular iodine has been reported. This method is base and metal free and features inexpensive catalysts, with a simple procedure and a short reaction time.

Metal-free direct difunctionalization of alkenes with I2O5 and P(O)–H compounds leading to β-iodophosphates

2015 ◽  
Vol 2 (10) ◽  
pp. 1356-1360 ◽  
Author(s):  
Chunli Liu ◽  
Minghui Zhu ◽  
Wei Wei ◽  
Daoshan Yang ◽  
Hong Cui ◽  
...  
Keyword(s):  
Efficient Procedure ◽  
Metal Free

A novel and efficient procedure for direct difunctionalization of alkenes with I2O5 and P(O)–H compounds has been developed under metal-free conditions.

ChemInform Abstract: Transition-Metal-Free Decarboxylation of Dimethyl Malonate: An Efficient Construction of α-Amino Acid Esters Using TBAI/TBHP.

ChemInform ◽  
2015 ◽  
Vol 46 (29) ◽  
pp. no-no
Author(s):  
Jie Zhang ◽  
Ying Shao ◽  
Yaxiong Wang ◽  
Huihuang Li ◽  
Dongmei Xu ◽  
...  
Keyword(s):  
Amino Acid ◽  
Transition Metal ◽  
Amino Acid Esters ◽  
Dimethyl Malonate ◽  
Metal Free ◽  
Efficient Construction ◽  
Acid Esters

Synthesis of thioethers via metal-free reductive coupling of tosylhydrazones with thiols

2011 ◽  
Vol 9 (3) ◽  
pp. 748-751 ◽  
Author(s):  
Qiuping Ding ◽  
Banpeng Cao ◽  
Jianjun Yuan ◽  
Xianjin Liu ◽  
Yiyuan Peng
Keyword(s):  
Reductive Coupling ◽  
Metal Free

Ultrasound accelerated expedient and eco-friendly synthesis of aryl sulfonates using I2 as catalyst at ambient conditions

2021 ◽  
Vol 18 ◽  
Author(s):  
Sha Zhu ◽  
Bin-Bin Wang ◽  
Mei-Chen Tan ◽  
Xiaofu Qian ◽  
Shengneng Ying ◽  
...  
Keyword(s):  
Energy Saving ◽  
Room Temperature ◽  
Coupling Reaction ◽  
Ambient Conditions ◽  
Metal Free ◽  
Mild Conditions ◽  
Efficient Construction ◽  
Ultrasound Assisted

: By using an energy-saving and eco-friendly approach for the efficient construction of aryl sulfonates through ultrasound-assisted coupling reaction of readily sodium sulfinates with N-hydroxyphthalimide was developed under metal-free and mild conditions within 10 min at room temperature.

Straightforward Synthesis of Ethers: Metal-Free Reductive Coupling of Tosylhydrazones with Alcohols or Phenols

2010 ◽  
Vol 122 (29) ◽  
pp. 5113-5116 ◽  
Author(s):  
José Barluenga ◽  
María Tomás-Gamasa ◽  
Fernando Aznar ◽  
Carlos Valdés
Keyword(s):  
Reductive Coupling ◽  
Metal Free

Transition-metal-free decarboxylation of dimethyl malonate: an efficient construction of α-amino acid esters using TBAI/TBHP

2015 ◽  
Vol 13 (13) ◽  
pp. 3982-3987 ◽  
Author(s):  
Jie Zhang ◽  
Ying Shao ◽  
Yaxiong Wang ◽  
Huihuang Li ◽  
Dongmei Xu ◽  
...  
Keyword(s):  
Amino Acid ◽  
Transition Metal ◽  
Nucleophilic Substitution ◽  
Amino Acid Esters ◽  
Dimethyl Malonate ◽  
Metal Free ◽  
New Strategy ◽  
Efficient Construction ◽  
Acid Esters

A new strategy has been developed for the synthesis of α-amino acid esters via a tandem hydrolysis/decarboxylation/nucleophilic substitution using TBAI/TBHP.

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