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4,4′-Bipyridine-catalyzed stereoselective trans-diboration of acetylenedicarboxylates to 2,3-diborylfumarates

Chemistry Letters (2017) 46(12) 1793-1796
DOI: 10.1246/cl.170848
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Abstract

Acetylenedicarboxylates undergo trans-addition of tetraalkoxydiboron in THF at 60 °C in the presence of 4,4¤-bipyridine (5 mol %) as a catalyst to give 2,3-diborylfumarates in good yields with high stereoselectivity.

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Ohmura, T., Morimasa, Y., & Suginome, M. (2017). 4,4′-Bipyridine-catalyzed stereoselective trans-diboration of acetylenedicarboxylates to 2,3-diborylfumarates. Chemistry Letters, 46(12), 1793–1796. https://doi.org/10.1246/cl.170848

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