Synthesis of 3,4-dihydropyrimidines and octahydroquinazolinones by SBA-15 supported schiff-base iron (III) complex as durable and reusable catalyst under ultrasound irradiation
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DOI: 10.1038/s41598-024-65519-x
Abstract: Biginelli-type heterocyclic compounds are particularly important due to their several chemical reactivities and various range of pharmacological activity. Therefore Biginelli reaction has witnessed several modification and numerous investigations are continuing in this field to develop… read more here.
Keywords: catalyst; iron iii; dihydropyrimidines octahydroquinazolinones; schiff base ... See more keywords
Uniform Cu/chitosan beads as a green and reusable catalyst for facile synthesis of imines via oxidative coupling reaction
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DOI: 10.1039/d0ra03884a
Abstract: A nonprecious metal and biopolymer-based catalyst, Cu/chitosan beads, has been successfully prepared by using a software-controlled flow system. Uniform, spherical Cu/chitosan beads can be obtained with diameters in millimeter-scale and narrow size distribution (0.78 ±… read more here.
Keywords: chitosan beads; reusable catalyst; beads green; green reusable ... See more keywords
Recyclable and Reusable Catalyst of Chitosan-Modified MgAl-Layered Double Hydroxide for Biodiesel Production
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DOI: 10.12911/22998993/194096
Abstract: Study of chitosan modification to MgAl-LDH to increase surface basicity for improving biodiesel production from palm oil has been performed. Modification was conducted by chitosan gel impregnation onto prepared MgAl-LDH. Furthermore, the physicochemical character of… read more here.
Keywords: production; reusable catalyst; surface; biodiesel production ... See more keywords
Highly Active and Reusable Cu/C Catalyst for Synthesis of 5-Substituted 1H-Tetrazoles Starting from Aromatic Aldehydes.
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DOI: 10.17344/acsi.2019.5492
Abstract: A new, efficient and convenient method for the synthesis of 5-substituted 1H-tetrazole derivatives with a wide range of substituents in good to excellent yields has been developed. The synthesis was performed by the one-pot three-component… read more here.
Keywords: catalyst synthesis; synthesis substituted; highly active; reusable catalyst ... See more keywords