Abstract—A series of carbamate analogues were synthesized from levorphanol (1a), cyclorphan (2a) or butorphan (3a) and evaluated
in vitro for their binding affinity at l, d, and j opioid receptors. Functional activities of these compounds were measured in the
[35S]GTPcS binding assay. Phenyl carbamate derivatives 2d and 3d showed the highest binding affinity for j receptor (Ki = 0.046 and
0.051 nM) and for l receptor (Ki = 0.11 and 0.12 nM). Compound 1c showed the highest l selectivity. The preliminary assay for
agonist and antagonist properties of these ligands in stimulating [35S]GTPcS binding mediated by the j opioid receptor illustrated
that all of these ligands were j agonists. At the l receptor, compounds 1b, 1c, 2b, and 3b were agonists, while compounds 2c–e and
3c–e were l agonists/antagonists.
2007 Elsevier Ltd. All rights reserved.
Abstract—A series of carbamate analogues were synthesized from levorphanol (1a), cyclorphan (2a) or butorphan (3a) and evaluatedin vitro for their binding affinity at l, d, and j opioid receptors. Functional activities of these compounds were measured in the[35S]GTPcS binding assay. Phenyl carbamate derivatives 2d and 3d showed the highest binding affinity for j receptor (Ki = 0.046 and0.051 nM) and for l receptor (Ki = 0.11 and 0.12 nM). Compound 1c showed the highest l selectivity. The preliminary assay foragonist and antagonist properties of these ligands in stimulating [35S]GTPcS binding mediated by the j opioid receptor illustratedthat all of these ligands were j agonists. At the l receptor, compounds 1b, 1c, 2b, and 3b were agonists, while compounds 2c–e and3c–e were l agonists/antagonists. 2007 Elsevier Ltd. All rights reserved.
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บทคัดย่อAbstract- —ชุดของคาร์บาเม A series of carbamate analogues were synthesized from levorphanol (1a), cyclorphan (2a) or butorphan (3a) and evaluated
และประเมินผลในหลอดทดลองสำหรับความสัมพันธ์ของพวกเขาที่มีผลผูกพันต่อลิตรD กิจกรรมการทำงานของสารเหล่านี้ถูกวัดในin vitro for their binding affinity at l, d, and j opioid receptors. Functional activities of these compounds were measured in the
[ Phenyl [35S]GTPcS binding assay. Phenyl carbamate derivatives 2d and 3d showed the highest binding affinity for j receptor (Ki = 0.046 and
0.051 สารประกอบ 0.051 nM) and for l receptor (Ki = 0.11 and 0.12 nM). Compound 1c showed the highest l selectivity. The preliminary assay for
agonist and antagonist properties of these ligands in stimulating [35S]GTPcS binding mediated by the j opioid receptor illustrated
that all of these ligands were j agonists. At the l receptor, compounds 1b, 1c, 2b, and 3b were agonists, while compounds 2c–e and
3c–e were l agonists/antagonists.
2007 Elsevier Ltd. All rights reserved.
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