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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 34, 2004 - Issue 16
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Original Articles

Solvent‐Free Synthesis of 2‐Aryl and 2‐Alkylbenzothiazoles on Silica Gel Under Microwave Irradiation

Mitsuo Kodomari Department of Applied Chemistry, Shibaura Institute of Technology, Shibaura, Minato‐ku, Tokyo, 108‐8548, JapanCorrespondence[email protected]
,
Yoshimi Tamaru Department of Applied Chemistry, Shibaura Institute of Technology, Shibaura, Minato‐ku, Tokyo, 108‐8548, Japan
&
Tadashi Aoyama Department of Materials and Applied Chemistry, Faculty of Science and Engineering, Nihon University, Chiyoda‐ku, Tokyo, Japan
Pages 3029-3036 | Received 23 Feb 2004, Published online: 06 Jan 2011
 
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Abstract

2‐Substituted benzothiazoles have been synthesized by the condensation of o‐aminothiophenol and aromatic or aliphatic aldehydes in the presence of silica gel under microwave irradiation (MW) and solvent‐free conditions. The silica gel can be easily recovered and reused for subsequent reactions without loss of the activity.

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Related Research Data

One-pot synthesis of 2-arylbenzimidazole, 2-arylbenzothiazole and 2-arylbenzoxazole derivatives using vanadium(IV)–salen complex as homogeneous catalyst and vanadium(IV)–salen complex nanoparticles immobilized onto silica as a heterogeneous nanocatalyst
Source: Springer Science and Business Media LLC
Eco-friendly synthesis of 2-substituted benzothiazoles catalyzed by silica sulfuric acid
Source: Springer Science and Business Media LLC

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