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Synthesis and determination of the absolute configuration of fugomycin and desoxyfugomycin: CD spectroscopy and fungicidal activity of butenolides.

M. Braun, A. Hohmann, Jaykumar Rahematpura, Corinna Bühne, S. Grimme
Chemistry
Chemistry
20 September 2004

The synthetic procedure adopted here permits the absolute configuration of the natural products fugomycin and desoxyfugomycin to be assigned by comparison of their chiroptical properties with those of the synthetic products.

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Convergent Diastereoselective Synthesis of Isopilocarpine by One-Pot Michael-Addition-Alkylation Reaction

M. Braun, Corinna Bühne, Dimitrula Cougali, K. Schaper, W. Frank
Chemistry
29 September 2004

The metalated dithiane 7b available from imidazole aldehyde 6 is reacted with furanone 4 and ethyl iodide to give the lactone 8, which forms diastereoselectively. Its configuration is determined to…

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First Synthesis and Determination of the Absolute Configuration of the Butenolide Fugomycin

M. Braun, Jaykumar Rahematpura, Corinna Bühne, T. C. Paulitz
Chemistry
2000

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