- Synthesis of imidazo[4,5-e]benzo[1,2-c;3,4-c′]difuroxanes
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A method for the synthesis of imidazo[4,5-e]benzo[1,2-c;3,4-c′]difuroxanes, potential nitric oxide donors, has been developed. The synthesized compounds were characterized by IR and NMR spectroscopy, high resolution mass spectrometry, and elemental analysis.
- Korolev,Toporov,Merkulova,Danilenko,Ivshin,Pivina
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- Convenient two-step one-pot synthesis of benzimidazoles using 2-nitroanilines and thiourea dioxide
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A new convenient method for the conversion of 2-nitroanilines into benzimidazoles by two-step one-pot procedure is reported. The procedure involves the reduction of nitro group followed by the intramolecular cyclisation of the corresponding o-phenylenediamines utilising thiourea dioxide and sodium hydroxide at 70 °C in mixed solvents of H2O and EtOH (v/v, 3/1). The yields are good to excellent and the workup is simple.
- Pu, Shuai,Liang, Qiuxiang,Luo, Xi,Luo, Juan
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p. 118 - 120
(2014/03/21)
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