Abstract
Novel ethyl 3-amino-4,6-diarylfuro[2,3-b]pyridine-2-carboxylate were synthesized by Thorpe–Ziegler cyclization using solid–liquid phase-transfer catalysis conditions.
ACKNOWLEDGMENTS
We thank the Regional Sophisticated Instrumentation Center, Central Drug Research Institute, Lucknow and Chandigarh, India, for 1H NMR and mass spectral analysis and Dishman Pharmaceuticals and Chemicals Ltd. for their support.
Notes
a Isolated yields.
a Isolated yields.
Dedicated to the memory of Dr. Chaitanya G. Dave.