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- Title
Saccharose as a new, natural, and highly efficient catalyst for the one-pot synthesis of 4,5-dihydropyrano[3,2- c]chromenes, 2-amino-3-cyano-4 H-chromenes, 1,8-dioxodecahydroacridine, and 2-substituted benzimidazole derivatives.
- Authors
Maghsoodlou, Malek; Hazeri, Nourallah; Lashkari, Mojtaba; Shahrokhabadi, Fereshteh; Naghshbandi, Behzad; Kazemi-doost, Mohammad; Rashidi, Mahnaz; Mir, Fatemeh; Kangani, Mehrnoosh; Salahi, Sajjad
- Abstract
Saccharose was applied as a green and natural catalyst for the one-pot, three-component condensation between aromatic aldehydes, malononitrile, and resorcinol, or 4-hydroxycoumarine to afford the corresponding pyran-annulated heterocyclic systems. This green methodology offers several advantages such as the use of a non-hazardous catalyst, easy access, clean work-up, excellent yields, short reaction time, and environmentally mild conditions. In addition, 1,8-dioxodecahydroacridine and 2-substituted benzimidazole derivatives have been synthesized from commercially available starting materials, arylaldehydes, dimedone, amines, or ammonium acetate and o-phenylenediamine using the mentioned catalyst. Graphical abstract: [Figure not available: see fulltext.]
- Subjects
SUCROSE; BENZIMIDAZOLES; IMIDAZOLES; ASTEMIZOLE; CARBENDAZIM
- Publication
Research on Chemical Intermediates, 2015, Vol 41, Issue 10, p6985
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1007/s11164-014-1793-4