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Design, synthesis, and preliminary SAR study of 3- and 6-side-chain-extended tetrahydro-pyran analogues of cis- and trans-(6-benzhydryl-tetrahydropyran-3-yl)-benzylamine.

Authors
  • Zhang, Shijun
  • Zhen, Juan
  • Reith, Maarten E A
  • Dutta, Aloke K
Type
Published Article
Journal
Bioorganic & Medicinal Chemistry
Publisher
Elsevier
Publication Date
Jun 01, 2006
Volume
14
Issue
11
Pages
3953–3966
Identifiers
PMID: 16481172
Source
Medline
License
Unknown

Abstract

In our effort to further understand interaction of novel pyran derivatives with monoamine transporters, we have designed, synthesized, and biologically characterized side-chain-extended derivatives of our earlier developed cis- and trans-(6-benzhydryl-tetrahydro-pyran-3-yl)-benzylamine derivatives. Both 3- and 6-position extensions were explored. All synthesized derivatives were tested for their affinities for the dopamine transporter (DAT), serotonin transporter (SERT), and norepinephrine transporter (NET) in the brain by measuring their potency in inhibiting the uptake of [(3)H]DA, [(3)H]5-HT, and [(3)H]NE, respectively. Compounds were also tested for their binding affinity at the DAT by their ability to inhibit binding of [(3)H]WIN 35, 428. The results indicated that extension at the 3-position resulted in loss of activity compared to the original compound I. On the other hand, extension at the 6-position resulted in improvement of activity in the compound cis-12 by 2-fold over the parent compound I indicating favorable interaction. In addition, two glycoside derivatives were designed, synthesized, and biologically characterized. The glycosidic trans-isomer 24 exhibited highest potency for the NET in the current series of compounds.

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