摘要：

Investigates the reactivities of (1S,4S,5R)-N-acetyl-4-(methoxymethyl)-3-oxa-6 -azabicyclo[3.1.0]hexan-2-on e and its N-Cbz analog toward soft and hard nucleophiles. Comparison of the reported reactivities with the nucleophiles; Lewis acid-catalyzed reaction with alcohols; Prediction of regioselectivity of attack by perturbational theory.

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