Pyridinium p-Toluenesulfonate: A Mild and Efficient Catalyst for The Regioselective Tetrahydropyranylation of Indazole Derivatives Under Solvent-Free Conditions
Corresponding Author(s) : P. K. Dubey
thatipally5@gmail.com
Asian Journal of Chemistry,
Vol. 23 No. 1 (2011): Vol 23 Issue 1
Abstract
An efficient and regioselective tetrahydropyranyl (THP) protection on substituted 1H-indazoles in solution phase as well as under solvent-free conditions catalyzed by microwave irradiation in the presence of pyridinium p-toluenesulfonate (PPTS) as mild catalyst.
Keywords
Substituted 1H-indazoles
Regioselective tetrahydropyranyl ether-protection
Pyridinium p-toluenesulfonate
Solution phase
Solvent-free conditions
Thatipally, S., V.R. Acharyulu, P., & K. Dubey, P. (2010). Pyridinium p-Toluenesulfonate: A Mild and Efficient Catalyst for The Regioselective Tetrahydropyranylation of Indazole Derivatives Under Solvent-Free Conditions. Asian Journal of Chemistry, 23(1), 451–454. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/10059
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