6-membered aza-heterocyclic containing delta-opioid receptor modulating compounds, methods of using and making the same
A compound and heterocycle technology, applied in the field of delta opioid receptor modulating compounds containing six-membered aza heterocycles, their use and preparation, and can solve problems such as hindering the development of selective drugs
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[0347] 1. A compound having formula I, I-1, I-a, I-a1 or I-b, Ib-1 or Ib-2
[0348]
[0349]
[0350]
[0351] or a pharmaceutically acceptable salt thereof, wherein:
[0352] BB is
[0353] Z is C, S, N, S(O) 2 or O;
[0354] R 35 is a protecting group, C(=O)OR 81b , H, optionally substituted aryl, optionally substituted C 1 -C 6 Haloalkyl, -R 63 R 64 , optionally substituted C 1 -C 6 Branched or unbranched alkyl, optionally substituted C 2 -C 6 Alkenyl, optionally substituted C 2 -C 6 Haloalkenyl-(CH 2 ) n R 65 , optionally substituted heterocycle, optionally substituted C 1 -C 6 Esters, optionally substituted cycloalkyl, optionally substituted C 1 -C 6 Alkoxy, optionally substituted pyrrolinyl, optionally substituted morpholinyl, optionally substituted C 3 -C 6 Cyclic ether or optionally substituted piperidinyl;
[0355] R 36 is empty, H, halogen, optionally substituted C 1 -C 6 Haloalkyl, -SO 2 C 1 -C 6 Alkyl, -OCF 3 , optionally su...
Embodiment 1
[0711] Example 1:
[0712] General Procedure A1: Preparation of 3,4-Piperidine N-H Analogs
[0713] plan 1
[0714]
[0715] Scenario 2
[0716]
[0717] (+)-6-{[trans-4-(4-methoxyphenyl)piperidin-3-yl]methoxy}isoindolin-1-one[(+)B0515] and (- )-6-{[trans-4-(4-methoxyphenyl)piperidin-3-yl]methoxy}isoindolin-1-one[(-)B0523] (Scheme 1 )
[0718] 4-(Trifluoromethylsulfonyloxy)-5,6-dihydropyridine-1,3(2H)-dicarboxylic acid 1-tert-butyl 3-ethyl ester (2)
[0719] Trifluoromethanesulfonic anhydride (33.3 mL, 203 mmol) was added portionwise to commercially available (+ / -) -4-oxopiperidine-1,3-dicarboxylic acid 1-tert-butyl 3-ethyl ester ([+ / -]1, 50.0g, 184mmol] and N,N-diisopropylethylamine (48.3 mL, 277 mmol). The mixture was stirred at 0 °C for 2 h, then warmed to room temperature, and the solids were removed by filtration. The filtrate solvent was removed under reduced pressure to afford crude 2 as a brown oil, which was used in the next step without purification St...
Embodiment 2
[1190] Example 2: Compounds are effective as modulators of delta-opioid receptors
[1191] The compounds described herein were tested as modulators of delta-opioid receptors. These compounds were found to be modulators of receptor activity. Some compounds inhibit the β-arrestin pathway and the G protein-mediated pathway, while other compounds agonize or enhance the β-arrestin-mediated pathway or the G-protein-mediated pathway. Activity was measured according to the methods described herein. The compounds described herein were tested as modulators of mu and kappa-opioid receptors.
[1192] in vitro assay
[1193] Plasmids encoding the δ opioid receptor (accession number NP_000902), the μ opioid receptor (accession number NP_000905) and the kappa opioid receptor (accession number NP_000903) were generated in the pCMV-Prolink backbone and transfected into EA-arrestin parental human embryonic kidney (HEK-293) cell line. Clonal stable lines were subsequently selected under G41...
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