Treatment of α,β-unsaturated esters (1) with lithium amides [LiNPri2 and LiN(CH2Ph)SiMe3] followed by alkylation and elimination of the amino groups produced trisubstituted enoates (2) with high stereoselectivity.
T. Uyehara, N. Asao and Y. Yamamoto, J. Chem. Soc., Chem. Commun., 1987, 1410 DOI: 10.1039/C39870001410
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