Tetramethylguanidine-[bmim][BF4]. An Efficient and Recyclable Catalytic System for One-Pot Synthesis of 4H-Pyrans
- 240 Downloads
A clean and efficient method for the synthesis of 4H-pyran derivatives through the one-pot condensation of aromatic aldehydes, malononitriles, and β-dicarbonyl compounds, using guanidine base tetramethylguanidine in [bmim][BF4] ionic liquid as a recyclable catalytic system, was described.
Unable to display preview. Download preview PDF.