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Absolute configuration of C27H41NO8Si, the diastereoselective product of the rhodium(II) octanoate catalyzed decomposition of a chiral vinyldiazomethane in the presence of 2-acetylpyrrole: A structural study rendered difficult by disorder of a “heavy” atom

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Abstract

The title compound crystallized in space group P21 with a = 12.647(8), b = 14.542(4), c = 17.077(16) Å, β = 97.51(6)°, and D calc = 1.143 mg/m3 for Z = 4. There are two chemically-equivalent C27H41NO8Si molecules in the crystallographic asymmetric unit. Each contains three chiral centers, one of known absolute configuration based upon the (R)-pantolactone,—CH*—CMe2—CH2—O—CO—, moiety. The structural study was greatly complicated by disorder of an —OSiMe2(t-Bu) group in one molecule.

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Author notes

  1. David George Churchill

    Present address: Department of Chemistry, Columbia University, New York, New York, 10027

Authors and Affiliations

  1. Department of Chemistry, State University of New York at Buffalo, Buffalo, New York, 14260-3000

    Melvyn Rowen Churchill, David George Churchill, Julius J. Matasi & Huw M.L. Davies

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  1. Melvyn Rowen Churchill
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  2. David George Churchill
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  3. Julius J. Matasi
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  4. Huw M.L. Davies
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Churchill, M.R., Churchill, D.G., Matasi, J.J. et al. Absolute configuration of C27H41NO8Si, the diastereoselective product of the rhodium(II) octanoate catalyzed decomposition of a chiral vinyldiazomethane in the presence of 2-acetylpyrrole: A structural study rendered difficult by disorder of a “heavy” atom. Journal of Chemical Crystallography 29, 1061–1066 (1999). https://doi.org/10.1023/A:1009589220678

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