Abstract

A series of sulfonamides ( 1) has been prepared as inhibitors of interleukin-1β converting enzyme (ICE), also known as caspase 1. These compounds were designed to improve potency by rigidifying the enzyme bound molecule through an intramolecular hydrogen bond. An X-ray crystal structure of a representative member of this series bound to the active site of ICE, confirms the presence of the hydrogen bonding interaction.

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