期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 18, 期 19, 页码 5268-5271出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2008.08.059
关键词
5-HT2A; AMDA; homology model
资金
- United States Public Health Service [R01-MH57969, R01-MH57635, K02-MH01366, R01-MH61887, U19-MH82441]
- NIMH Psychoactive Drug Screening Program
The effects of methoxy-substitution at the 1-, 2-, 3-, and 4-positions of 9-aminomethyl-9,10-dihydroanthracene (AMDA) on h5-HT2A receptor affinity were determined. Racemic mixtures of these compounds were found to show the following affinity trend: 3-MeO > 4-MeO > 1-MeO similar to 2-MeO. Comparison of the effects of these substitutions, with the aid of computational molecular modeling techniques, suggest that the various positional and stereochemical isomers of the methoxy-substituted AMDA compounds interact differently with the h5-HT2A receptor. It is predicted that for the compounds with higher affinities, the methoxy oxygen atom is able to interact with hydrogen bond-donating sidechains within alternative h5-HT2A receptor binding sites, whereas the lower-affinity isomers lack this ability. (c) 2008 Elsevier Ltd. All rights reserved.
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