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Total synthesis of Pumiliotoxin B:
Reference: Aoyagi, S.; Hirashima, S.; Saito, K.; Kibayashi, C. J. Org. Chem. 2002, 67, 5517. DOI
Keywords: N-H -> N-Boc • N-Boc -> N-H • Lactone-5 • EnoateEster -> Allyl-OH • Allyl-OH -> Allyl-Br • O-H -> O-SiMe2tBu • O-SiMe2tBu -> O-H • Ketal -> Diol • Si-Allenyl+Ketone • Ketone+Si-R • Corey-Fuchs • Cu-SiR3+Propargyl-X • Hydrostannation Alkyne • Li/I -> Li-Alkyl • Li-Alkyl -> Zn-Alkyl • Takai-Utimoto -> Vinyl-I • Sn-Vinyl -> Vinyl-I • Pd-Carboxylation • Li-Alkynyl+Aldehyde • Amine+Alkyl-X • Amine-6 • Alkyl-OH -> Alkyl-I • Fritsch-Buttenberg-Wiechell • Pd/Zn-Alkyl+Vinyl-X • Negishi coupling •
Reagents: ZnCl2 • BuLi(tert) • PPh3=CBr2 • BuLi(n) • MeSO2Cl, NEt3 • CuCN • Allenyl-SiR3 • HfCl2 • Boc2O • HSnPh3 • BEt3 • NIS • Pd(OAc)2 • PPh3 • Acetic acid, trifluoro • AlHiBu2 • PPh3, CBr4 • TASF • SiMe2tBu-OTf • PPh3, I2 • Imidazole • HF·NEt3 • HCl • CHI3 • Formaldehyde • CO • Pd(PPh3)4

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