Results 221 to 230 of about 23,580 (267)

A new ruthenium-catalyzed approach for quinoxalines from o-phenylenediamines and vicinal-diols

Tetrahedron Letters, 2006
Chan Sik Cho
exaly  

o-PHENYLENEDIAMINE

Organic Syntheses, 1939
openaire   +1 more source

Copper-catalyzed aerobic oxidative coupling of o-phenylenediamines with 2-aryl/heteroarylethylamines: direct access to construct quinoxalines.

Organic and biomolecular chemistry, 2017
Kovuru Gopalaiah, Anupam Saini, S. Chandrudu, Devarapalli Chenna Rao, Harsh Yadav, B. Kumar   +5 more
semanticscholar   +1 more source

An Efficient Synthesis of 2-Substituted Benzimidazoles via Photocatalytic Condensation of o-Phenylenediamines and Aldehydes.

ACS Combinatorial Science, 2016
Jeshma Kovvuri, Burri Nagaraju, A. Kamal, A. Srivastava   +3 more
semanticscholar   +1 more source

Phenylenediamines

Reactions Weekly
openaire   +1 more source

Semiconducting materials from oxidative coupling of phenylenediamines under various acidic conditions

, 2018
M. Bláha, M. Trchová, Z. Morávková, P. Humpolíček, J. Stejskal   +4 more
semanticscholar   +1 more source

One-pot aqueous-phase synthesis of quinoxalines through oxidative cyclization of deoxybenzoins with 1,2-phenylenediamines catalyzed by a zwtterionic Cu(II)/calix[4]arene complex

, 2017
Jun Gao, Zhi‐Gang Ren, J. Lang
semanticscholar   +1 more source

Iodine-catalyzed synthesis of N,N'-diaryl-o-phenylenediamines from cyclohexanones and anilines using DMSO and O2 as oxidants.

Chemical Communications, 2018
Mingteng Xiong, Zhan-Yong Gao, Xiao Liang, Pengfei Cai, Heping Zhu, Yuanjiang Pan   +5 more
semanticscholar   +1 more source

Copper-catalyzed oxidative cyclization of α-hydroxyketones with o-phenylenediamines leading to quinoxalines

Journal of Molecular Catalysis A, 2007
Chan Sik Cho
exaly  

Decarboxylative Coupling of α‐Keto Acids with ortho‐Phenylenediamines Promoted by an Electrochemical Method in Aqueous Media

, 2016
Haibiao Wang, Jing‐Mei Huang
semanticscholar   +1 more source