Facile and Efficient Synthesis of 2-Aminoquinoline-3-carboxylic Acid Derivatives via Reductive Cyclization of Nitro and Cyano Groups Induced by Low-valent Titanium

1998 ◽  
pp. 398-399 ◽  
Author(s):  
Longhu Zhou ◽  
Sujiang Tu ◽  
Daqin Shi ◽  
Guiyuan Dai
Keyword(s):  
Carboxylic Acid ◽  
Reductive Cyclization ◽  
Efficient Synthesis ◽  
Low Valent ◽  
Cyano Groups

ChemInform Abstract: An Efficient Synthesis of 2H-Indazoles via Reductive Cyclization of 2-Nitrobenzylamines Induced by Low-Valent Titanium Reagent.

ChemInform ◽  
2012 ◽  
Vol 43 (41) ◽  
pp. no-no
Author(s):  
Fang Sun ◽  
Xian Feng ◽  
Xuan Zhao ◽  
Zhi-Bin Huang ◽  
Da-Qing Shi
Keyword(s):  
Reductive Cyclization ◽  
Efficient Synthesis ◽  
Low Valent

An efficient synthesis of 2H-indazoles via reductive cyclization of 2-nitrobenzylamines induced by low-valent titanium reagent

Tetrahedron ◽  
2012 ◽  
Vol 68 (20) ◽  
pp. 3851-3855 ◽  
Author(s):  
Fang Sun ◽  
Xian Feng ◽  
Xuan Zhao ◽  
Zhi-Bin Huang ◽  
Da-Qing Shi
Keyword(s):  
Reductive Cyclization ◽  
Efficient Synthesis ◽  
Low Valent

Efficient synthesis of tetrahydrofurans with chiral tertiary allylic alcohols catalyzed by Ni/P-chiral ligand DI-BIDIME

2021 ◽  
Author(s):  
Yu Mu ◽  
Tao Zhang ◽  
Yaping Cheng ◽  
Wenzhen Fu ◽  
Zuting Wei ◽  
...  
Keyword(s):  
Reductive Cyclization ◽  
Allylic Alcohols ◽  
Chiral Ligand ◽  
Efficient Synthesis

Efficient nickel-catalyzed stereoselective asymmetric intramolecular reductive cyclization of O-alkynones with P-chiral bisphosphorus ligand DI-BIDIME is reported.

An efficient synthesis of quinazoline-2,4-dione derivatives with the aid of a low-valent titanium reagent

Tetrahedron ◽  
2007 ◽  
Vol 63 (39) ◽  
pp. 9764-9773 ◽  
Author(s):  
Da-Qing Shi ◽  
Guo-Lan Dou ◽  
Zheng-Yi Li ◽  
Sai-Nan Ni ◽  
Xiao-Yue Li ◽  
...  
Keyword(s):  
Efficient Synthesis ◽  
Low Valent

Design, synthesis and evaluation of structurally diverse ortho-acylphenol-diindolylmethane hybrids as anticancer agents

2022 ◽  
Author(s):  
Zhi-Gang Yin ◽  
Xiong-Wei Liu ◽  
Hui-Juan Wang ◽  
Min Zhang ◽  
Xiong-Li Liu ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Anticancer Agents ◽  
Nucleophilic Addition ◽  
Ring Opening ◽  
Building Blocks ◽  
Efficient Synthesis ◽  
Design Synthesis ◽  
Pyrone Ring ◽  
Ring Opening Reaction ◽  
First Time

A highly efficient synthesis of structurally diverse ortho-acylphenol–diindolylmethane hybrids 3 using carboxylic acid-activated chromones as versatile synthetic building blocks is reported here for the first time, through 1,4-nucleophilic addition and followed by a decarboxylation and pyrone ring opening reaction process.

Low-Valent Titanium Induced Reductive Cyclization of Nitriles to Symmetrically Substituted Tetraalkylpyrazines

Synthesis ◽  
1990 ◽  
Vol 1990 (08) ◽  
pp. 701-702 ◽  
Author(s):  
Wei-xing Chen ◽  
Jun-hu Zhang ◽  
Ming-yang Hu ◽  
Xiao-chun Wang
Keyword(s):  
Reductive Cyclization ◽  
Low Valent

A Schiff base-modified silver catalyst for efficient fixation of CO2 as carboxylic acid at ambient pressure

2017 ◽  
Vol 19 (9) ◽  
pp. 2080-2085 ◽  
Author(s):  
Zhilian Wu ◽  
Lei Sun ◽  
Qinggang Liu ◽  
Xiaofeng Yang ◽  
Xue Ye ◽  
...  
Keyword(s):  
Schiff Base ◽  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Ambient Pressure ◽  
Terminal Alkynes ◽  
Silver Catalyst ◽  
Efficient Synthesis

A Schiff base-modified silver catalyst was developed for the direct carboxylation of terminal alkynes with CO2, enabling the efficient synthesis of valuable alkynyl carboxylic acids.

RhCl3·3H2O-Catalyzed Regioselective C(sp2)–H Alkoxycarbonylation: Efficient Synthesis of Indole- and Pyrrole-2-carboxylic Acid Esters

ACS Catalysis ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 5545-5551 ◽  
Author(s):  
Kang Zhao ◽  
Rongrong Du ◽  
Bingyang Wang ◽  
Jianhua Liu ◽  
Chungu Xia ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Efficient Synthesis ◽  
Acid Esters
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