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  • Title: Regioselective synthesis of 4-acyl-1-hydroxy-2,3-benzodioates by chelation-controlled [3+3] annulation of 3-acyl-4-ethoxy-2-oxo-3-enoates with 1,3-bis(trimethylsilyloxy)-1,3-butadienes.
    Author: Riahi A, Shkoor M, Fatunsin O, Khera RA, Fischer C, Langer P.
    Journal: Org Biomol Chem; 2009 Oct 21; 7(20):4248-51. PubMed ID: 19795064.
    Abstract:
    4-Acyl-1-hydroxy-2,3-benzodioates were regioselectively prepared by chelation-controlled [3+3] cyclization of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with 3-acyl-4-ethoxy-2-oxo-3-enoates.
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