Synthesis p. 1083 - 1089 (1991)
Update date:2022-09-26
Topics: Conjugate addition α,β-unsaturated esters Experimental terms Trimethylsilyl Chloride Stereochemical divergence Lithium dimethylcuprate γ-alkoxy γ-ureido
Hanessian
Sumi
A comparative study was made of the reaction of chiral nonracemic γ-alkoxy and γ-ureido-α,β-unsaturated esters with lithium dimethylcuprate in the presence of trimethylsilyl chloride. The possible origins of the anti- and syn-additions respectively are di
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