ChemInform Abstract: Total Synthesis of
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P. G. STEEL; O. S. MILLS; E. R. PARMEE; E. J. THOMAS
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Article
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2010
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John Wiley and Sons
⚖ 31 KB
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Total Synthesis of Milbemycin E: Resolution of the C(1)-C(10) Fragment and Final Assembly. -Resolution of the cyclohexanone (I) is the starting process in the preparation of title compound (VI). Key step is the coupling of butenolide (II) with phosphonium salt (III) (both prepared in the preceding p