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Total synthesis of Platencin:
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-NR2 • HCl, H2O • PPh3=CH2 • KOtBu • NBS • AlH4-Li+ • CrCl2 • Butadiene, 1-NR2 • Grubbs II •

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