Sulphuric acid adsorbed on silica gel: An efficient catalyst for the protection and deprotection of alcohols with dihydropyran

Authors
Heravi, MM Bigdeli, MA Nahid, N Ajami, D
Citation
Mm. Heravi et al., Sulphuric acid adsorbed on silica gel: An efficient catalyst for the protection and deprotection of alcohols with dihydropyran, I J CHEM B, 38(11), 1999, pp. 1285-1286
Citations number
17
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY
ISSN journal
03764699 → ACNP
Volume
38
Issue
11
Year of publication
1999
Pages
1285 - 1286
Database
ISI
SICI code
0376-4699(199911)38:11<1285:SAAOSG>2.0.ZU;2-6
Abstract
Alcohols are tetrahydropyranylated in the presence of sulphuric acid adsorb ed on silica gel in dichloromethane in good to excellent yields. Addition o f methanol brings about the complete deprotection.