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Trimethylsilyl bis(fluorosulfonyl)imide: A new catalyst for the reactions of acetals with silyl nucleophiles

✍ Scribed by Achla Trehan; Ashwani Vij; Meenakshi Walia; Gurmeet Kaur; R.D. Vermar; Sanjay Trehan


Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
196 KB
Volume
34
Category
Article
ISSN
0040-4039

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Titanium tetrachloride promoted reaction
✍ Veselin Maslak; Radomir MatoviΔ‡; Radomir N. SaičiΔ‡ πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 French βš– 65 KB

A new method for the synthesis of g-butanolides is described. The titanium tetrachloride promoted reaction of silyl ketene acetals with epoxides, followed by acidic work-up, affords the corresponding butyrolactones in 44-83% yield.