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Total synthesis of Allethrolone:
Reference: Kawamoto, I.; Muramatsu, S.; Yura, Y. Synth. Comm. 1975, 5, 185.
Keywords: Ketal(thio) -> Enone --- Ketone enolate+Vinyl-Phosphonium --- ConjAdd Ketone enolate --- Li-Allyl+Enone --- Wittig-alkyl+Ketone --- Allyl-OH isomerization
Reagents: LiNiPr2 --- Vinyl-Phosphonium --- H2SO4 --- HgCl2 --- Allyl-Li

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