Microwave-Assisted Synthesis of Bis-Heterocycles Containing the Imidazo[1,2-a]Pyridine by Groebke-Blackburn-Bienaymé Reaction †
Abstract
:1. Introduction
2. Results and Discussion
3. Experimental Section
4. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
References
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Entry | Solvent | Catalyst | T (°C) | Time(h) | Yield (%) |
---|---|---|---|---|---|
1 | H2O | ---------- | r.t | 8 | n.r |
2 | H2O | ---------- | r.t USI | 3 | n.r |
3 | EtOH | ---------- | r.t | 8 | 13 |
4 | EtOH | ---------- | r.t USI | 4 | 18 |
5 | EtOH | 60 USI | 4 | 26 | |
6 | EtOH | NH4Cl | USI | 4 | 35 |
7 | EtOH | NH4Cl | 60 USI | 2 | 42 |
8 | EtOH | NH4Cl | 60 MW | 1 | 54 |
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Ramírez-López, S.C.; Gámez-Montaño, R. Microwave-Assisted Synthesis of Bis-Heterocycles Containing the Imidazo[1,2-a]Pyridine by Groebke-Blackburn-Bienaymé Reaction. Proceedings 2019, 41, 79. https://doi.org/10.3390/ecsoc-23-06648
Ramírez-López SC, Gámez-Montaño R. Microwave-Assisted Synthesis of Bis-Heterocycles Containing the Imidazo[1,2-a]Pyridine by Groebke-Blackburn-Bienaymé Reaction. Proceedings. 2019; 41(1):79. https://doi.org/10.3390/ecsoc-23-06648
Chicago/Turabian StyleRamírez-López, Sandra C., and Rocío Gámez-Montaño. 2019. "Microwave-Assisted Synthesis of Bis-Heterocycles Containing the Imidazo[1,2-a]Pyridine by Groebke-Blackburn-Bienaymé Reaction" Proceedings 41, no. 1: 79. https://doi.org/10.3390/ecsoc-23-06648
APA StyleRamírez-López, S. C., & Gámez-Montaño, R. (2019). Microwave-Assisted Synthesis of Bis-Heterocycles Containing the Imidazo[1,2-a]Pyridine by Groebke-Blackburn-Bienaymé Reaction. Proceedings, 41(1), 79. https://doi.org/10.3390/ecsoc-23-06648