Azabicyclic indole esters as potent 5-HT
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Paul A. Wyman; Laramie M. Gaster; Frank D. King; Jonathon M. Sutton; Elizabeth S
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Article
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1996
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Elsevier Science
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English
⚖ 641 KB
The synthesis of a series of azabicyclic indole esters is described and their potency reported as 5-HT4 receptor antagonists. Optimization of the most potent compound (19) by preparing the corresponding oxazino[3,2-a]indole ester afforded 34, which had a pIC50 of 9.5 in the guinea pig distal colon l