| Reference: | Williams. D. R.; Werner, K. M.; Feng, B. Tetrahedron Lett. 1997, 38, 6825. DOI |
| Keywords: | Lactone-15+ • Aldol-B-Evans • Wittig-carboxymethyl -> EnoateEster • Li-Sulfone+Alkyl-X • Li/Br -> Li-Vinyl • HWE -> EneLactone • Dehydrosulfonylation -> Diene • Aldol-B-Evans • Wittig-Horner • |
| Reagents: | BOTfBu2 • LiNiPr2, HMPA • DBU • BOTfBu2 • PPh3=CH-CO2R • BuLi(tert) • P(O)(OR)2CH2-CO2R • DBU • P(O)Ph2CH2-Vinyl • KN(SiMe3)2 • BBrMe2 • |