N 1-Benzenesulfonylgramine and N 1-benzenesulfonylskatole: novel 5-HT 6 receptor ligand templates
MR Pullagurla, M Dukat, V Setola, B Roth…
Index: Pullagurla, Manik R.; Dukat, Malgorzata; Setola, Vincent; Roth, Bryan; Glennon, Richard A. Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 19 p. 3355 - 3359
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Citation Number: 32
Abstract
1-Benzenesulfonyl-5-methoxy-N, N-dimethyltryptamine (3; Ki= 2.3 nM) is a 5-HT6 receptor antagonist; removal of the 5-methoxy group (ie, 6; Ki= 4.1 nM) has little impact on receptor affinity. In the present study, it is shown that the aminomethyl portion of 6 can be shortened to gramine analogue 10a (Ki= 3.1 nM); a related skatole derivative 11b (Ki= 12 nM) also binds with high affinity indicating that the aminoethyl portion of the tryptamines is not ...
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