✦ LIBER ✦
Bis(trimethylsilyl) sulphate catalyzed γ-lactonization of cyclopropanecarboxylates having a carbonyl substituent at cyclopropane α-carbon
✍ Scribed by Yoshitomi Morizawa; Tamejiro Hiyama; Hitosi Nozaki
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- French
- Weight
- 239 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
The oxa analogue of vinylcyclopropane rearrangement in the title system is carried out under mild conditions with the aid of the silicon Lewis acid catalyst.