Stereoselective amination of chiral enolates. A new approach to the asymmetric synthesis of .alpha.-hydrazino and .alpha.-amino acid derivatives
摘要：
The chiral N-acyl oxazolidones 2 , as the derived dibutyl boron enolates, have been demonstrated to undergo diastereoselective bromination and subsequent azide displacement to give the α-azido carboximides 4a (5 cases). These adducts may be hydrolyzed under mild conditions to the enantiomerically pure α-azido carboxylic acids 5a .
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DOI：
10.1016/S0040-4039(00)95305-X
被引量：
年份：
1987
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