Journal
SYNLETT
Volume -, Issue 4, Pages 638-642Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2007-967944
Keywords
palladium; bisoxazoline; carbonylative cyclization; 1,1-diethynyl acetate; carbonylation
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The carbonylative cyclization of 1,1-diethynyl acetates mediated by Phbox/Pd(TFA)(2) afforded a functionalized 4-cyclopentene-1,3-dione as a major product. In the absence of box ligand, a methoxycarbonylated orthoester was obtained predominantly.
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