Lithium bromide catalyzed solvent free method for synthesis of 2-substituted benzimidazoles and imidazopyridines

被引:13
作者
Dekhane, Deepak V. [1 ]
Pawar, Shivaji S. [1 ]
Gupta, Sunil V. [1 ]
Shingare, Murlidhar S. [2 ]
Thore, Shivaji N. [1 ]
机构
[1] Vinyakrao Paul Mahavidyala Vaijapur, Dept Chem, Aurangabad 423701, MS, India
[2] Dr Babasaheb Ambedkar Marathwada Univ, Dept Chem, Aurangabad 431004, MS, India
关键词
Benzimidazoles; Arylenediamine; Aliphatic esters; Lithium bromide; Imidazopyridines; ONE-POT SYNTHESIS; MICROWAVE-IRRADIATION; PROMOTED SYNTHESIS; EFFICIENT SYNTHESIS; DERIVATIVES; ACID; 2-ARYLBENZOTHIAZOLES; CONDENSATION; OXIDATION; ALDEHYDES;
D O I
10.1016/j.cclet.2009.11.034
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The first successful lithium bromide mediated solvent free condensation of arylenediamine and esters to obtain 2-substituted benzimidazole and imidazopyridine in good to excellent yields is described. (C) 2009 Shivaji N Thore Published by Elsevier B V on behalf of Chinese Chemical Society All rights reserved.
引用
收藏
页码:519 / 523
页数:5
相关论文
共 50 条
[41]   Cerium-catalyzed tandem synthesis of 2-substituted benzothiazoles in PEG [J].
Jin, Hui-Le ;
Cheng, Tian-Xing ;
Chen, Jiu-Xi .
APPLIED ORGANOMETALLIC CHEMISTRY, 2011, 25 (03) :238-240
[42]   Solvent Dependent Selectivity in the Synthesis of 1,2-Disubstituted and 2-Substituted Benzimidazoles by Dehydrogenative Coupling Reactions with Ruthenium-Polyoxoniobate Catalysts [J].
Deepak, Rajasekharan Jayakumari ;
Ravindran, N. E. Aswathi ;
Karvembu, Ramasamy .
ASIAN JOURNAL OF ORGANIC CHEMISTRY, 2025, 14 (02)
[43]   Mild, one-pot preparation of 2-substituted benzimidazoles from organic halides [J].
Bratulescu, George .
SYNTHETIC COMMUNICATIONS, 2017, 47 (08) :811-817
[44]   Synthesis and Biological Evaluation of Mannich Bases of 2-Substituted Benzimidazoles [J].
Kalirajan, R. ;
Chitra, M. ;
Jubie, S. ;
Gowramma, B. ;
Suresh, B. .
ASIAN JOURNAL OF CHEMISTRY, 2009, 21 (07) :5207-5211
[45]   Synthesis and Pharmacological Characterization of Some 2-and 1,2-substituted Benzimidazoles [J].
Manescu, Irinel Gratiela ;
Negres, Simona ;
Iscrulescu, Lucian ;
Stefanescu, Emil ;
Dinu, Mihaela ;
Olaru, Octavian Tudorel ;
Iovu, Mircea .
REVISTA DE CHIMIE, 2015, 66 (09) :1309-1315
[46]   A convenient one-pot synthesis of 2-substituted benzimidazoles [J].
Trivedi, R ;
De, SK ;
Gibbs, RA .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2006, 245 (1-2) :8-11
[47]   Bentonite clay: an efficient catalyst for the synthesis of 2-substituted benzimidazoles [J].
Victor A. Cardozo ;
Rubén Sánchez-Obregón ;
Héctor Salgado-Zamora ;
Rogelio Jiménez-Juárez .
Monatshefte für Chemie - Chemical Monthly, 2015, 146 :1335-1337
[48]   Fe3O4@Sal-cu as a highly efficient magnetic nano-catalyst for the synthesis of 2-substituted benzimidazoles under ultrasonic irradiation and solvent free condition [J].
Ferdousian, Roghayeh ;
Behbahani, Farahnaz K. ;
Mohtat, Bita .
INORGANIC AND NANO-METAL CHEMISTRY, 2025, 55 (08) :946-955
[49]   A Facile One-Pot Route for the General Synthesis of Triazole Linked Chiral 2-Substituted Benzimidazoles [J].
Dutta, Samrat ;
Sarkar, Swarbhanu ;
Sen, Asish Kumar .
JOURNAL OF HETEROCYCLIC CHEMISTRY, 2013, 50 (03) :689-695
[50]   Mesoporous silica supported ytterbium as catalyst for synthesis of 1,2-disubstituted benzimidazoles and 2-substituted benzimidazoles [J].
Samanta, Partha Kumar ;
Banerjee, Rumeli ;
Richards, Ryan M. ;
Biswas, Papu .
APPLIED ORGANOMETALLIC CHEMISTRY, 2018, 32 (10)