Sammanfattning
The preparation of chiral spirocyclic ethers via allylic etherification/olefin metathesis of homoallylic alcohols is investigated. This reaction sequence transforms the enantiopure substrate alcohols, synthesized by a one-pot asymmetric rhodium-catalyzed conjugate addition/metal-mediated allylation procedure, into the desired spite ethers with full conversions and in excellent isolated yields. The synthetic sequence provides an efficient means for a rapid construction of functionalized spiro ethers in a stereoselective manner. (C) 2009 Elsevier Ltd. All rights reserved.
| Originalspråk | Odefinierat/okänt |
|---|---|
| Sidor (från-till) | 5305–5307 |
| Antal sidor | 3 |
| Tidskrift | Tetrahedron Letters |
| Volym | 50 |
| Nummer | 38 |
| DOI | |
| Status | Publicerad - 2009 |
| MoE-publikationstyp | A1 Tidskriftsartikel-refererad |
Nyckelord
- Allylation
- Asymmetric synthesis
- Conjugate addition
- Ring-closing metathesis
- Spirocyclic ether
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