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Total synthesis of Butterfly Compound:
Reference: Sum, F. W.; Weiler, L. Chem. Commun. 1978, 985. DOI
Keywords: CarboxEster -> Alkyl-OH • O-THP -> O-H • Ketoester dianion+Alkyl-X • Cu-Me+EnoateEster • Ketoester dianion+Allyl-X • Cu-Me+EnoateEster • Allyl-OH -> Allyl-Br • Finkelstein reaction •
Reagents: BuLi(n) • Bromoethanol • P(O)(OEt)2Cl • LiCuMe2 • AlH4-Li+ • BuLi(n) • Bromide, lithium • Acetoacetate • BuLi(n) • P(O)(OEt)2Cl • LiCuMe2 • NaH • NaH • MeSO2Cl •

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