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Isolation and characterization of lithio tert-butyl acetate, a stable ester enolate

โœ Scribed by Rathke, Michael W.; Sullivan, Donald F.

Book ID
127359266
Publisher
American Chemical Society
Year
1973
Tongue
English
Weight
243 KB
Volume
95
Category
Article
ISSN
0002-7863

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๐Ÿ“œ SIMILAR VOLUMES

Reaction of lithio tert-butyl trimethyls
Reaction of lithio tert-butyl trimethylsilylacetate with aldehydes and ketones. A synthesis of ฮฑ,ฮฒ-unsaturated esters.
โœ Stephen L. Hartzell; Donald F. Sullivan; Michael W. Rathke ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 164 KB

received in UK for plblicrtian 4 Maroh 1974) Addition of tert-butyl trimethylsilylacetatel to tetrahydrofuran (THF) solutions of lithium diisopropylamide at -78' produces the lithimn ester enolate, I, (eq 1) as a white precipitate. Attempts to isolate I have been unsuccessful; however, suspensions o

The preparation and reactions of lithio
The preparation and reactions of lithio tert-butylbis(trimethylsilyl) acetate. A synthesis of ฮฑ-silylated vinyl esters.
โœ Stephen L. Hartzell; Michael W. Rathke ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 158 KB

Lithio tert-butyl bis(trimethylsilyl)acetate, I, obtained by reaction of the corresponding ester, II, with lithium diisopropylamide (es l), reacts with aldehydes to give good yields of a-silylated vinyl esters (eq 2). As suggested previously for the mono-silyl analogue