Citation: Lan Ying WANG, Xiao Gang ZHANG, Ying Qi JIA, Zu Xun ZHANG. Solvent-free Rapid Synthesis of Styryl Dyes with Benzimidazole Nucleus Using Microwave Irradiation[J]. Chinese Chemical Letters, ;2003, 14(11): 1116-1118. shu

Solvent-free Rapid Synthesis of Styryl Dyes with Benzimidazole Nucleus Using Microwave Irradiation

Department of Chemistry, Northwest University, Xian 710069

Received Date: 9 December 2002

Fund Project: This project was financially supported by the Special Science Research Foundation of Education Committee of Shanxi Province (No. 02JK060).

The reactions of 2-methylbenzimidazole or 2-methylbenzimidazolium iodide with aromatic aldehydes are accelerated under microwave irradiation by using Ac₂O or piperidine as dehydrant or catalyst in the absence of any solvent. The approach provides an attractive and environmentally friendly pathway to several useful styryl dyes with benzimidazole nucleus.
- Microwave irradiation,
- styryl dyes,
- benzimidazole nucleus,
- aromatic aldehydes
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