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Aldol condensations of chiral α-haloimidates. A chiral darzens condensation procedure.
Authors:Ahmed Abdel-Magid  Ivan Lantos  Lendon N Pridgen
Institution:Synthetic Chemistry, Chemical R&D, SmithKline and French Laboratory Philadelphia, PA 19101 USA
Abstract:Enantiomerically pure benzyl cis-α,β-epoxycarboxylates were prepared by a modified Darzens procedure utilizing aldol condensation reactions of chiral α-haloimidates with various aldehydes. A unique chirality reversal was observed using Zincenolates.
Keywords:
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