Molecular sieves: an efficient and reusable catalyst for multi-component synthesis of dihydropyrano[2,3-C]pyrazole derivatives |
| |
| Authors: | Jitendra B Gujar Mahendra A ChaudhariDeepak S Kawade Murlidhar S Shingare |
| |
| Institution: | Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, Maharashtra, India |
| |
| Abstract: | An efficient synthesis of dihydropyrano2,3-C]pyrazole derivatives catalyzed by molecular sieves in ethanol under reflux and ultrasound irradiation has been described. The efficiency of catalyst has been compared with other aluminates and silicate based catalyst in order to optimize catalyst for the said organic transformation. This protocol is very useful due to easy recovery of the catalyst and its reusability, short reaction time, excellent yields, and avoidance of environmentally hazardous solvents. |
| |
| Keywords: | Dihydropyrano[2 3-C]pyrazoles Molecular sieves Heterogeneous catalyst |
| 本文献已被 ScienceDirect 等数据库收录！ |
