Preparation and characterization of Ca-modified Co/Al2O3 and its catalytic application in the one-pot synthesis of 4H-pyrans
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DOI: 10.1007/s11164-020-04139-2
Abstract: In this research, Co/Ca–Al2O3 composite as a heterogeneous nanocatalyst was synthesized by the co-precipitation method. The effect of Ca addition on the textural properties and the catalytic activity was investigated. The results show that the… read more here.
Keywords: activity al2o3; synthesis pyrans; catalytic activity; catalyst ... See more keywords
Ultrasound-assisted multicomponent synthesis of 4H-pyrans in water and DNA binding studies
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DOI: 10.1038/s41598-020-68076-1
Abstract: A simple approach to synthesize new highly substituted 4H-pyran derivatives is described. Efficient Et3N acts as a readily accessible catalyst of this process performed in pure water and with only a 20 mol% of catalyst… read more here.
Keywords: dna; water; synthesis pyrans; assisted multicomponent ... See more keywords
Recent Advances in the Synthesis of 2H-Pyrans
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DOI: 10.3390/molecules24162904
Abstract: In this review, we discuss the nature of the different physicochemical factors affecting the valence isomerism between 2H-pyrans (2HPs) and 1-oxatrienes, and we describe the most versatile synthetic methods reported in recent literature to access… read more here.
Keywords: synthesis pyrans; advances synthesis; recent advances;