Abstract

The reaction of allylic, benzylic and propargylic halides with zinc in the presence of the glycine cation equivalent, methyl N-Boc-2-acetoxyglycine, affords Boc protected amino acid derivatives in high yield. Resolution of methyl N-Boc-propargylglycine with α-chymotrypsin affords N-Boc-L-propargylglycine in 99% e.e..

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