Synthesis and structure-activity relationships of heterocyclic analogues of the functional M1 selective muscarinic agonist hexyloxy-TZTP

Bioorganic & Medicinal Chemistry Letters
1992.0

Abstract

Isothiazole (8a, b), isoxazole (14) and thiophene (19a,b) analogues of the potent, M1 selective muscarinic agonist, hexyloxy-TZTP, lb, were synthesized and tested in vitro for muscarinic receptor affinity and M1 efficacy. All the analogues had lower affinity and efficacy at the M1 muscarinic receptors than lb.

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