## Abstract Chelate‐controlled Mukaiyama reaction of silyl enol ethers 2a, 2b, 2c, and 2d with β‐formylcarboxylate 1 in the presence of TiCl~4~ provided γ‐lactones 3a, 3b, 3c, and 3d in very good yields and with good to excellent __trans__ selectivities. The use of BF~3~, SnCl~4~, and SnBr~4~ as Le
✦ LIBER ✦
On the nucleophilic activation of silyl enol ethers and esters; a survey and mechanistic interpretation
✍ Scribed by Claude Chuit; Robert J.P. Corriu; Catherine Reyé
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 633 KB
- Volume
- 358
- Category
- Article
- ISSN
- 0022-328X
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