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BioAssay: AID 62573

The IC50 value was reported as apparent, since [3H]NCA was purported to be irreversible. Result indicates the mean of two separate experiments, each performed in triplicate.

The synthesis of the title compounds (1c and its 2H isomer 1b) from N-(2-hydroxyethyl)norapomorphine was carried out by ring bromination, followed by chlorination to the 2-chloroethyl compound 6. Further reduction with 2H2 or 3H2 and Pd/C gave 1b or 1c. Radiochemically pure (97%) 1c was obtained with a specific activity of 16.3 Ci/mmol. The purity of 1c was determined by LC, HPLC, UV, and NMR. [3H]NCA was shown to label the D2 receptor; however, the D2 signal appears to be only a small portion of the total signal, which may include binding to other dopamine receptor subtypes (D1 and D3). ..more
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 Tested Compounds
 Tested Compounds
All(4)
 
 
Active(4)
 
 
 Tested Substances
 Tested Substances
All(4)
 
 
Active(4)
 
 
 Related BioAssays
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AID: 62573
Data Source: ChEMBL (59720)
BioAssay Type: Confirmatory, Concentration-Response Relationship Observed
Depositor Category: Literature, Extracted
BioAssay Version:
Deposit Date: 2010-05-21
Modify Date: 2014-08-24

Data Table ( Complete ):           View Active Data    View All Data
BioActive Compounds: 4
Description:
Title: Aporphines. 58. N-(2-chloroethyl) [8,9-2H]norapomorphine, an irreversible ligand for dopamine receptors: synthesis and application.

Abstract: The synthesis of the title compounds (1c and its 2H isomer 1b) from N-(2-hydroxyethyl)norapomorphine was carried out by ring bromination, followed by chlorination to the 2-chloroethyl compound 6. Further reduction with 2H2 or 3H2 and Pd/C gave 1b or 1c. Radiochemically pure (97%) 1c was obtained with a specific activity of 16.3 Ci/mmol. The purity of 1c was determined by LC, HPLC, UV, and NMR. [3H]NCA was shown to label the D2 receptor; however, the D2 signal appears to be only a small portion of the total signal, which may include binding to other dopamine receptor subtypes (D1 and D3).
(PMID: 6737423)
Comment
Compounds with activity <= 50uM or explicitly reported as active by ChEMBL are flagged as active in this PubChem assay presentation.

Putative Target:

ChEMBL Target ID: 104842
Target Type: PROTEIN FAMILY
Pref Name: Dopamine receptor
Synonyms: D(1A) dopamine receptor;Dopamine D1 receptor;D(1B) dopamine receptor;D(5) dopamine receptor;D1beta dopamine receptor;Dopamine D5 receptor;D(2) dopamine receptor;Dopamine D2 receptor;D(3) dopamine receptor;Dopamine D3 receptor;D(2C) dopamine receptor;D(4) dopamine receptor;Dopamine D4 receptor;
Gene Name: DRD1;DRD1B ;DRD1L2;DRD5;DRD2;DRD3;DRD4;
Protein Accession: P21728;P21918;P14416;P35462;P21917;
Protein GI: 118228;118214;118206;1169206;1345939;
Organism: Homo sapiens
Tax ID: 9606
Target Classification: membrane receptor 7tm1 smallmol monoamine receptor dopamine receptor
Confidence: Multiple homologous protein targets may be assigned
Relationship Type: Homologous protein target assigned
Categorized Comment - additional comments and annotations
From BioAssay Depositor:
Assay Type: Binding
Assay Data Source: Scientific Literature
Result Definitions
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TIDNameDescriptionHistogramTypeUnit
OutcomeThe BioAssay activity outcomeOutcome
1IC50*IC50 PubChem standard valueFloatμM
3BEIBinding Efficiency Index(nM)Float
2SEISurface Efficiency Index(nM)Float
4LELigand EfficiencyFloat
5LLELipophilic Ligand EfficiencyFloat
6IC50 activity commentIC50 activity commentString
7IC50 standard flagIC50 standard flagInteger
8IC50 qualifierIC50 qualifierString
9IC50 published valueIC50 published valueFloatnM
10IC50 standard valueIC50 standard valueFloatnM

* Activity Concentration.

Data Table (Concise)
Data Table ( Complete ):     View Active Data    View All Data
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