Kolanos R, Siripurapu U, Pullagurla M, Riaz M, Setola V, Roth BL, Dukat M, Glennon RA. Binding of isotryptamines and indenes at h5-HT6 serotonin receptors.
Bioorg Med Chem Lett 2005;
15:1987-91. [PMID:
15808453 DOI:
10.1016/j.bmcl.2005.02.070]
[Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2005] [Revised: 02/18/2005] [Accepted: 02/22/2005] [Indexed: 11/17/2022]
Abstract
To determine if the indolic nitrogen atom is required for the binding of N(1)-benzyltryptamines at h5-HT(6) serotonin receptors, several isotryptamines and indene analogs were examined. The affinity of 3-benzyl-N(1)-(N,N-dimethylaminoethyl)indole (5, K(i)=32nM) and 1-benzyl-3-(N,N-dimethylaminoethyl)indene (11, K(i)=3nM) indicates that the indolic nitrogen atom is not essential for binding.
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