Synthesis of diphenylmethyl analogues and their affinity for the melanocortin-4 receptor and the serotonin transporter |
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Authors: | Nozawa Dai Okubo Taketoshi Ishii Takaaki Chaki Shigeyuki Okuyama Shigeru Nakazato Atsuro |
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Affiliation: | Medicinal Research Laboratories, Taisho Pharmaceutical Co., Ltd, Saitama, Japan. dai.nozawa@po.rd.taisho.co.jp |
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Abstract: | While examining antagonists of the melanocortin-4 receptor (MC4 receptor), we found that compound 12b, containing a diphenylmethyl moiety, had a relatively high affinity for the MC4 receptor. When diphenylmethyl analogues were further examined, compounds 12c and 18 were also found to exhibit a high affinity for the MC4 receptor (IC(50)=46.7 nM and 33.2 nM, respectively). Furthermore, compound 12c was also found to show a high affinity for the serotonin transporter (IC(50)=10.7 nM). Here, we describe the synthesis and biological evaluation of various diphenylmethyl analogues in relation to their actions on the MC4 receptor and the serotonin transporter. |
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