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Zirconium(IV) chloride-silica catalysed thioacetalisation of carbonyl compounds

โœ Scribed by Harish K Patney; Simon Margan

Book ID
103408222
Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
129 KB
Volume
37
Category
Article
ISSN
0040-4039

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Deprotection of benzylic esters catalyse
Deprotection of benzylic esters catalysed by anhydrous ferric chloride and rhenium carbonyl compounds
โœ Timothy J. Davies; Ray V.H. Jones; W.Edward Lindsell; Colin Miln; Peter N. Prest ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 50 KB

Anhydrous ferric chloride and [Re(CO) 4 Br] 2 are shown to be useful reagents for the catalytic deprotection of benzylic esters. A suitable protecting group is p-MeC 6 H 4 CH 2 with a working temperature of 50ยฐC for debenzylation.