Conformationally restricted analogues of the potent CCK-B antagonist CI-988

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Abstract

The synthesis and structure—activity relationships (SAR) for a series of conformationally restricted analogues of the selective cholecystokinin (CCK) antagonist CI-988 and some closely related analogues are described. A series of appropriately substituted cis- and trans-amino decalins are prepared that mimic the through bond distances between the functional groups in the parent compound CI-988 whilst restricting bond rotation. This strategy has led to conformationally more rigid derivatives that have increased CCK-B receptor binding affinity.

The synthesis and structure-activity relationships (SAR) for a series of conformationally restricted analogues of the selective cholecystokinin (CCK) antagonist CI-988 are described.

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