Tetrahedron Letters p. 72 - 74 (2019)
Update date:2022-08-11
Topics:
Everson, Nikalet
Yniguez, Kenya
Loop, Lauren
Lazaro, Horacio
Belanger, Briana
Koch, Grant
Bach, Jordan
Manjunath, Aashrita
Schioldager, Ryan
Law, Jarvis
Grabenauer, Megan
Eagon, Scott
A microwave-mediated synthesis of 1H-pyrazole-5-amines utilizing 1 M HCl at 150 °C was developed in order to provide products in a matter of minutes with minimal purification. Most reactions are complete in only 10 min and can be isolated via a simple filtration without the need for further purification by column chromatography or recrystallization. This method tolerates a range of functional groups and can be performed on milligram to gram scales.
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