ChemInform Abstract: Highly Enantioselective Chiral Base Mediated [2,3]-Wittig Rearrangement.
โ Scribed by S. E. GIBSON; P. HAM; G. R. JEFFERSON
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 31 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0931-7597
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๐ SIMILAR VOLUMES
The external chiral ligand-induced enantioselective [2,3]-Wittig rearrangements of crotyl benzyl ethers and crotyl propargylic ethers are described. The most notable is that treatment of (E)-crotyl propargylic ethers with a t-butyllithium/(S;S)-bis(oxazoline) complex provides a relatively high enant
Enantioselective [2,3]-Wittig Rearrangement Induced by Asymmetric Lithiation with a t-Butyllithium / Chiral Bis(oxazoline) System. -The use of a chiral bis(oxazoline) is effective as ligand for the enantioselective [2,3]-Wittig rearrangement of (E)-and (Z)-propargyl ethers. -(TOMOOKA,