✦ LIBER ✦
Thermodynamics versus kinetics in hetero-Michael cyclizations: a highly stereoselective approach to access both epimers of a C-d-mannopyranoside
✍ Scribed by Vincent Aucagne; Arnaud Tatibouët; Patrick Rollin
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- French
- Weight
- 189 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
O O O 2 4, > 95% a 3, < 5% THF, RT 18 h tBuOK 0.25 equiv. Scheme 3. Hetero-Michael cyclization under thermodynamic control: production of a b-C-mannopyranoside. a : 95% isolated yield.