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Synlett 2001; 2001(10): 1511-1515
DOI: 10.1055/s-2001-17479
DOI: 10.1055/s-2001-17479
letter
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Stereoselective Synthesis of Tri- and Tetrasubstituted α,β-Unsaturated Esters via Copper-catalyzed Coupling of Enol Triflates of β-Ketoesters with Grignard-based Zinc Ate Complexes
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Publikationsdatum:
27. September 2001 (online)
Tri- and tetrasubstituted α,β-unsaturated esters were stereoselectively prepared via the copper-catalyzed couplings of the enol triflates of β-ketoesters with Grignard-based zinc ate complexes. Some insights into the mechanistic considerations are described.
stereoselective synthesis - enol triflates - copper catalysts - Grignard reagents - zinc ate complexes