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Silica-bonded n-propyltriethylene-tetramine as a recyclable solid base catalyst for the synthesis of 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes | ||
Iranian Journal of Catalysis | ||
مقاله 5، دوره 3، شماره 4، اسفند 2013، صفحه 221-228 اصل مقاله (436.62 K) | ||
نویسندگان | ||
Marzieh Makvandi1؛ Fatemeh Abiar Dil1؛ Ameneh Malekzadeh1؛ Mojtaba Baghernejad2؛ Khodabakhsh Niknam* 3 | ||
1Department of Chemistry, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran. | ||
2Young Researchers and Elite Club, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran. | ||
3Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr 75169, Iran. | ||
چکیده | ||
Silica-bonded n-propyltriethylene-tetramine (SBNPTT) was found as an efficient solid base for the synthesis of 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes. Chromene derivatives were obtained via the three-component condensation reaction of aromatic aldehydes, malononitrile, and dimedone at 80 oC under solvent-free conditions. The heterogeneous solid base showed much the same efficiency when used in consecutive reaction runs. | ||
کلیدواژهها | ||
Silica-bonded n-propyltriethylene-tetramine؛ Chromenes؛ Solid bases؛ Catalyst؛ Synthesis | ||
مراجع | ||
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