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The crystal structure of 5α,9α-peroxyergosta-7,22-dien-6-one-3β-ol acetate

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Abstract

Ergosterol acetate, in pyridine, reacts with hydrogen peroxide and catalytic amounts of FeCl3 to afford the unusual product 5α,9α-peroxyergosta-7,22-dien-6-one-3β-ol acetate. The peroxide, in the title structure, is seen to bridge the C5 and C9 positions of the sterol backbone. Crystal data: C30H44O5, orthorhombic, P212121, a = 6.552(2), b = 11.048(8), c = 37.60(2), V = 2772(3)Å3, Z = 4.

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Authors and Affiliations

  1. Department of Chemistry, Texas A & M University, College Station, Texas, 77844

    Derek H. R. Barton, Bin Hu & Joseph H. Reibenspies

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  1. Derek H. R. Barton
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  2. Bin Hu
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  3. Joseph H. Reibenspies
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Barton, D.H.R., Hu, B. & Reibenspies, J.H. The crystal structure of 5α,9α-peroxyergosta-7,22-dien-6-one-3β-ol acetate. Journal of Chemical Crystallography 28, 239–241 (1998). https://doi.org/10.1023/A:1022486730643

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