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- ISSN: 1570-1786
- E-ISSN: 1875-6255
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An Expeditious “Green” Michael Addition of Nitro Methane to Benzimidazole Chalcones in the Presence of TBAB as Surface Catalyst
- Source: Letters in Organic Chemistry, Volume 4, Issue 6, Sep 2007, p. 445 - 447
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- 01 Sep 2007
Abstract
A novel Michael addition of nitromethane to β-carbon of the benzimidazole chalcones 1 in the presence of K2CO3 and TBAB, under solvent-free conditions, by a simple physical mixing of compounds, leading to 1-(1-alkyl-1Hbenzimidazol- 2-yl)-4-nitro-3-aryl-butane-1-one 2 is described.
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