Tricyclic Pyrazoles. 4. Synthesis and Biological Evaluation of Analogues of the Robust and Selective CB2 Cannabinoid Ligand 1-(2‘,4‘-Dichlorophenyl)-6-methyl-N-piperidin-1-yl- 1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamide

New analogues (2a−p) of the previously reported CB2 ligands 6-methyl- and 6-chloro-1-(2‘,4‘-dichlorophenyl)-N-piperidin-1-yl-1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamides (1a,b) have been synthesized and evaluated for cannabinoid receptor affinity. One example, 1-(2‘,4‘-dichlorophenyl)-6-methyl-N-...

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Published inJournal of medicinal chemistry Vol. 49; no. 25; pp. 7502 - 7512
Main Authors Murineddu, Gabriele, Lazzari, Paolo, Ruiu, Stefania, Sanna, Angela, Loriga, Giovanni, Manca, Ilaria, Falzoi, Matteo, Dessì, Christian, Curzu, Maria M, Chelucci, Giorgio, Pani, Luca, Pinna, Gérard A
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 14.12.2006
Amer Chemical Soc
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Online AccessGet full text
ISSN0022-2623
1520-4804
DOI10.1021/jm060920d

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Abstract New analogues (2a−p) of the previously reported CB2 ligands 6-methyl- and 6-chloro-1-(2‘,4‘-dichlorophenyl)-N-piperidin-1-yl-1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamides (1a,b) have been synthesized and evaluated for cannabinoid receptor affinity. One example, 1-(2‘,4‘-dichlorophenyl)-6-methyl-N-cyclohexyilamine-1,4-dihydroindeno[1,2-c] pyrazole-3-carboxamide (2a) was shown to have single digit nanomolar affinity for cannabinoid CB2 receptors. Furthermore, compounds 2a and 2b, as well as lead structures 1a,b, were also shown to be agonist in an in vitro model based on human promyelocytic leukemia HL-60 cells.
AbstractList New analogues (2a-p) of the previously reported CB2 ligands 6-methyl- and 6-chloro-1-(2',4'-dichlorophenyl)-N-piperidin-1-yl-1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamides (1a,b) have been synthesized and evaluated for cannabinoid receptor affinity. One example, 1-(2',4'-dichlorophenyl)-6-methyl-N-cyclohexyilamine-1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamide (2a) was shown to have single digit nanomolar affinity for cannabinoid CB2 receptors. Furthermore, compounds 2a and 2b, as well as lead structures 1a, b, were also shown to be agonist in an in vitro model based on human promyelocytic leukemia HL-60 cells.
New analogues (2a−p) of the previously reported CB2 ligands 6-methyl- and 6-chloro-1-(2‘,4‘-dichlorophenyl)-N-piperidin-1-yl-1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamides (1a,b) have been synthesized and evaluated for cannabinoid receptor affinity. One example, 1-(2‘,4‘-dichlorophenyl)-6-methyl-N-cyclohexyilamine-1,4-dihydroindeno[1,2-c] pyrazole-3-carboxamide (2a) was shown to have single digit nanomolar affinity for cannabinoid CB2 receptors. Furthermore, compounds 2a and 2b, as well as lead structures 1a,b, were also shown to be agonist in an in vitro model based on human promyelocytic leukemia HL-60 cells.
New analogues (2a-p) of the previously reported CB(2) ligands 6-methyl- and 6-chloro-1-(2',4'-dichlorophenyl)-N-piperidin-1-yl-1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamides (1a,b) have been synthesized and evaluated for cannabinoid receptor affinity. One example, 1-(2',4'-dichlorophenyl)-6-methyl-N-cyclohexyilamine-1,4-dihydroindeno[1,2-c] pyrazole-3-carboxamide (2a) was shown to have single digit nanomolar affinity for cannabinoid CB(2) receptors. Furthermore, compounds 2a and 2b, as well as lead structures 1a,b, were also shown to be agonist in an in vitro model based on human promyelocytic leukemia HL-60 cells.
Author Loriga, Giovanni
Pinna, Gérard A
Lazzari, Paolo
Chelucci, Giorgio
Falzoi, Matteo
Manca, Ilaria
Murineddu, Gabriele
Sanna, Angela
Curzu, Maria M
Dessì, Christian
Pani, Luca
Ruiu, Stefania
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Cites_doi 10.1111/j.1460-9568.2006.04684.x
10.1073/pnas.1834309100
10.1016/j.brainres.2005.11.035
10.1038/sj.bjp.0706406
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10.1182/blood-2002-01-0098
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10.1016/S0306-4522(03)00126-X
10.1016/j.brainres.2005.04.053
10.1093/jb/mvh063
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Issue 25
Keywords SR 144528
2-ARACHIDONOYLGLYCEROL
ACTIVATION
ANTAGONIST
PHARMACOLOGY
INVOLVEMENT
INVERSE AGONIST
MICROGLIAL CELLS
EXPRESSION
RECEPTOR CB2
Human
Promyelocytic leukemia
Ligand
CB2 cannabinoid receptor
Selectivity
Tricyclic compound
In vitro
HL60 cell line
Cell line
Structure activity relation
Piperidine derivatives
Carboxamide
Chemical synthesis
Tumor cell
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Snippet New analogues (2a−p) of the previously reported CB2 ligands 6-methyl- and...
New analogues (2a-p) of the previously reported CB2 ligands 6-methyl- and...
New analogues (2a-p) of the previously reported CB(2) ligands 6-methyl- and...
Source Web of Science
SourceID pubmed
pascalfrancis
webofscience
istex
acs
SourceType Index Database
Enrichment Source
Publisher
StartPage 7502
SubjectTerms Biological and medical sciences
Chemistry, Medicinal
HL-60 Cells
Humans
Indenes - chemical synthesis
Indenes - chemistry
Indenes - pharmacology
Life Sciences & Biomedicine
Ligands
Medical sciences
Miscellaneous
Mitogen-Activated Protein Kinase 1 - biosynthesis
Mitogen-Activated Protein Kinase 3 - biosynthesis
Neuropharmacology
Neurotransmitters. Neurotransmission. Receptors
Pharmacology & Pharmacy
Pharmacology. Drug treatments
Phosphorylation
Piperidines - chemical synthesis
Piperidines - chemistry
Piperidines - pharmacology
Pyrazoles - chemical synthesis
Pyrazoles - chemistry
Pyrazoles - pharmacology
Radioligand Assay
Receptor, Cannabinoid, CB2 - agonists
Science & Technology
Structure-Activity Relationship
Title Tricyclic Pyrazoles. 4. Synthesis and Biological Evaluation of Analogues of the Robust and Selective CB2 Cannabinoid Ligand 1-(2‘,4‘-Dichlorophenyl)-6-methyl-N-piperidin-1-yl- 1,4-dihydroindeno[1,2-c]pyrazole-3-carboxamide
URI http://dx.doi.org/10.1021/jm060920d
https://api.istex.fr/ark:/67375/TPS-9F53Z1WR-W/fulltext.pdf
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https://www.ncbi.nlm.nih.gov/pubmed/17149879
Volume 49
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