| Reference: | Tiefenbacher, K.; Mulzer, J. Angew. Chem. Int. Ed. 2008, 47, 6199 –6200 DOI |
| Keywords: | Diels-Alder, Enal • Wittig-methyl • CompE+-Aldehyde/Ketone+Wittig • RCM -> Ring-C • Allylic oxidation -> Allyl-Br • Allyl-X -> Allyl-H • |
| Reagents: | Butadiene, 1-Amino • HCl, H2O • PPh3=CH2 • KOtBu • Grubbs II • NBS • AlH4-Li+ • CrCl2 • Rawal diene • |