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
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.
کلید واژگان
Silica-bonded n-propyltriethylene-tetramineChromenes
Solid bases
Catalyst
Synthesis
شماره نشریه
4تاریخ نشر
2013-12-011392-09-10
ناشر
Islamic Azad University, Shahreza Branchسازمان پدید آورنده
Department of Chemistry, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.Department of Chemistry, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.
Department of Chemistry, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.
Young Researchers and Elite Club, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.
Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr 75169, Iran.
شاپا
2252-02362345-4865
