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  • Title: A modular and organocatalytic approach to gamma-butyrolactone autoregulators from Streptomycetes.
    Author: Elsner P, Jiang H, Nielsen JB, Pasi F, Jørgensen KA.
    Journal: Chem Commun (Camb); 2008 Nov 30; (44):5827-9. PubMed ID: 19009095.
    Abstract:
    A general synthesis of optically active gamma-butyrolactone autoregulators is developed by a two-step sequence to assemble 2,3-trans-disubstituted butyrolactones in high yields and enantioselectivities; the scope of this reaction was elaborated by setting up a library of alkyl-substituted butyrolactones and the synthesis of the autoregulators IM-2 and VB-D.
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