Abstract
A green, efficient, and large-scale method for tetrahydropyranylation of alcohols in the presence of a catalytic amount of pyridinium chloride at room temperature under solvent-free conditions is reported.
ACKNOWLEDGMENT
We gratefully acknowledge the funding support received for this project from the Isfahan University of Technology (IUT), IR Iran (ARH), and Grant GM 33138 (AER) from the National Institutes of Health, USA. Further financial support from Center of Excellence in Sensor and Green Research (IUT) is gratefully acknowledged.
Notes
a The reaction was carried out in 5 ml of solvent.
b Yields based on the isolated products.
a Yields based on the isolated pure products after chromatography and confirmed by comparison with authentic samples (TLC, IR, NMR) and mass spectroscopy).