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Selective deprotection of either alkyl or aryl silyl ethers from aryl, alkyl bis-silyl ethers

โœ Scribed by Sudha V. Ankala; Gabriel Fenteany


Book ID
104251360
Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
120 KB
Volume
43
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


A pair of complementary methods was developed using CeCl 3 โ€ข7H 2 O/CH 3 CN and LiOH/DMF to selectively deprotect alkyl and aryl silyl ethers, respectively, from the corresponding bis-silyl ethers in excellent yields.


๐Ÿ“œ SIMILAR VOLUMES


Aryl, Alkyl Bis-Silyl Ethers: Rapid Acce
โœ Sudha V. Ankala; Gabriel Fenteany ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› John Wiley and Sons โš– 132 KB ๐Ÿ‘ 2 views

Aryl, Alkyl Bis-Silyl Ethers: Rapid Access to Monoprotected Aryl Alkyl and Biaryl Ethers. -Simple one-pot reaction conditions are reported for the selective conversion of aryl silyl ethers (I) to alkyl aryl ethers (III) or unsymmetrical bisaryl ethers (V) without affecting present siloxyalkyl groups

Investigations into the C-deuteriation o
โœ Svitlana Buksha; Gregory S. Coumbarides; Marco Dingjan; Jason Eames; Michael J. ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› John Wiley and Sons ๐ŸŒ French โš– 188 KB

Results are reported on the regioselective C-deuteriation of a series of silyl enol ethers derived from aryl alkyl ketones using deuterium (D 2 ) gas as the deuterium source and palladium-on-barium sulfate as the mediator. These results highlight the numerous reaction pathways and different product