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Ahmed HEA, Zayed MF, Ihmaid S. Molecular pharmacophore selectivity studies, virtual screening, and in silico ADMET analysis of GPCR antagonists. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1389-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Volk B, Gacsályi I, Pallagi K, Poszávácz L, Gyönös I, Szabó É, Bakó T, Spedding M, Simig G, Szénási G. Optimization of (Arylpiperazinylbutyl)oxindoles Exhibiting Selective 5-HT7 Receptor Antagonist Activity. J Med Chem 2011; 54:6657-69. [DOI: 10.1021/jm200547z] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Balázs Volk
- Chemical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - István Gacsályi
- Preclinical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - Katalin Pallagi
- Preclinical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - László Poszávácz
- Chemical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - Ildikó Gyönös
- Preclinical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - Éva Szabó
- Preclinical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - Tibor Bakó
- Chemical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - Michael Spedding
- Les Laboratoires Servier, 22 rue Garnier, 92578 Neuilly-sur-Seine, France
| | - Gyula Simig
- Chemical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
| | - Gábor Szénási
- Preclinical Research Division, EGIS Pharmaceuticals Plc., P.O. Box 100, Budapest, H-1475 Hungary
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Vogt I, Ahmed HEA, Auer J, Bajorath J. Exploring structure-selectivity relationships of biogenic amine GPCR antagonists using similarity searching and dynamic compound mapping. Mol Divers 2008; 12:25-40. [PMID: 18317941 DOI: 10.1007/s11030-008-9071-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2007] [Accepted: 02/05/2008] [Indexed: 11/28/2022]
Abstract
We design and analyze compound selectivity sets of antagonists with differential selectivity against seven biogenic amine G-protein coupled receptors. The selectivity sets consist of a total of 267 antagonists and contain a spectrum of in part closely related molecular scaffolds. Each set represents a different selectivity profile. Using these com- pound sets, a systematic computational analysis of structure-selectivity relationships is carried out with different 2D similarity methods including fingerprints, recursive partitioning, clustering, and dynamic compound mapping. Screening calculations are performed in a background database containing nearly four million molecules. Fingerprint searching and compound mapping are found to enrich target-selective antagonists over family-selective ones. Dynamic compound mapping effectively discriminates database compounds from GPCR antagonists and consistently retains target-selective antagonists during the final dimension extension levels. Furthermore, the widely used MACCS key fingerprint displays a strong tendency to distinguish between target- and family-selective GPCR antagonists. Taken together, the results indicate that different types of 2D similarity methods are capable of distinguishing closely related molecules having different selectivity. The reported compound benchmark system is made freely available in order to enable selectivity-oriented analyses using other computational approaches.
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Affiliation(s)
- Ingo Vogt
- Department of Life Science Informatics, B-IT, LIMES Institute, Rheinische Friedrich-Wilhelms-Universität Bonn, Dahlmannstr. 2, 53113, Bonn, Germany
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Lacivita E, Leopoldo M. N-[ω-[4-(2-Methoxyphenyl)-1-piperazinyl]alkyl]-2-quinolinamines as High-Affinity Fluorescent 5-HT1A Receptor Ligands. J Med Chem 2008; 51:1492-5. [DOI: 10.1021/jm7013919] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Enza Lacivita
- Dipartimento Farmaco-Chimico, Università degli Studi di Bari, via Orabona, 4, 70125 Bari, Italy
| | - Marcello Leopoldo
- Dipartimento Farmaco-Chimico, Università degli Studi di Bari, via Orabona, 4, 70125 Bari, Italy
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Goldberg SL, Nanduri VB, Chu L, Johnston RM, Patel RN. Enantioselective microbial reduction of 6-oxo-8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione: Cloning and expression of reductases. Enzyme Microb Technol 2006. [DOI: 10.1016/j.enzmictec.2006.03.033] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Perrone R, Berardi F, Colabufo NA, Lacivita E, Larizza C, Leopoldo M, Tortorella V. Design and synthesis of long-chain arylpiperazines with mixed affinity for serotonin transporter (SERT) and 5-HT(1A) receptor. J Pharm Pharmacol 2006; 57:1319-27. [PMID: 16259761 DOI: 10.1211/jpp.57.10.0011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
A new generation of antidepressant agents could be represented by compounds with mixed activity as serotonin transporter (SERT) inhibitors and 5-HT(1A) receptor antagonists. We report here on the synthesis and evaluation of SERT and 5-HT(1A) receptor affinity of long-chain arylpiperazines obtained either by modifying 6-nitroquipazine into a long-chain arylpiperazine or by inserting a modified 6-nitroquipazine moiety or other structures endowed with SERT affinity into a long-chain arylpiperazine with 5-HT(1A) affinity. Among the compounds studied, 2-[4-(2-methoxyphenyl)piperazin-1-yl]-N-(6-nitro-2-quinolyl)ethylamine (21) and 1-(5-bromo-1,2,3,4-tetrahydronaphthalen-1-yl)-3-[4-(2-methoxyphenyl)-piperazin-1-yl]-1-propanone (24) showed good affinity values for SERT and 5-HT(1A) receptors (SERT: K(i) (inhibition constant)=71.8 and 62.8 nM; 5-HT(1A)K(i)=14.2 and 0.82 nM, respectively).
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Affiliation(s)
- Roberto Perrone
- Dipartimento Farmaco-Chimico, Università degli Studi di Bari, via Orabona 4, 70125 Bari, Italy.
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Enantioselective microbial reduction of 6-oxo-8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2005.07.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Kamei K, Maeda N, Katsuragi-Ogino R, Koyama M, Nakajima M, Tatsuoka T, Ohno T, Inoue T. New piperidinyl- and 1,2,3,6-tetrahydropyridinyl-pyrimidine derivatives as selective 5-HT1A receptor agonists with highly potent anti-ischemic effects. Bioorg Med Chem Lett 2005; 15:2990-3. [PMID: 15914001 DOI: 10.1016/j.bmcl.2005.04.059] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2005] [Accepted: 04/22/2005] [Indexed: 11/30/2022]
Abstract
A series of new piperidinyl- and 1,2,3,6-tetrahydropyridinyl-pyrimidine derivatives were synthesized. Among these compounds, 4-methyl-2-(1,2,3,6-tetrahydropyridin-4-yl)pyrimidine derivative 23 (SUN N5147) exhibited sub-nanomolar affinity for 5-HT1A receptor with 1000-fold selectivity over both dopamine D2 and alpha1-adrenergic receptors and remarkable neuroprotective activity in a transient middle cerebral artery occlusion (t-MCAO) model.
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Affiliation(s)
- Katsuhide Kamei
- Daiichi Suntory Biomedical Research Co., Ltd, 1-1-1, Wakayamadai, Shimamoto-cho, Mishima-gun, Osaka 618-8513, Japan.
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Berardi F, Ferorelli S, Abate C, Colabufo NA, Contino M, Perrone R, Tortorella V. 4-(Tetralin-1-yl)- and 4-(Naphthalen-1-yl)alkyl Derivatives of 1-Cyclohexylpiperazine as σ Receptor Ligands with Agonist σ2 Activity. J Med Chem 2004; 47:2308-17. [PMID: 15084129 DOI: 10.1021/jm031026e] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Several 1-cyclohexylpiperazine derivatives related to sigma(2) receptor ligand 1-cyclohexyl-4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]piperazine (33, K(i) = 0.34 nM) were synthesized and tested in radioligand binding assays, to attempt a structure-affinity relationship study. Intermediate alkyl chain length and methoxyl group position on the tetralin nucleus were varied. A few naphthalene analogues were also prepared. High affinities were found in sigma(2) receptor binding for almost all compounds, some of which displayed K(i) values in subnanomolar range, but low sigma(2)/sigma(1) selectivities were found. The highest sigma(2) affinities were displayed by compounds with an intermediate alkyl chain of three (32 and 43) or five methylenes (39 and 46). Quite high sigma(1) receptor affinity was found for compounds with a four-methylene chain; 36 (K(i) = 0.036 nM) and 45 (K(i) = 0.22 nM) displaying good sigma(1)/sigma(2) selectivity (406- and 139-fold, respectively). Moreover, homologues of compound 33 displayed also satisfactory selectivities over dopamine D(2)-like, serotonin 5-HT(3), and adrenergic alpha(1) receptors. These compounds and a few others were tested in the inhibition of the electrically evoked contractions in guinea pig bladder and were demonstrated to be full sigma(2) agonists. The activity values correlated well to the affinity scale (EC(50) in microM range). 33 and related compounds are proposed as a class of potential antineoplastic and PET diagnosis agents.
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Affiliation(s)
- Francesco Berardi
- Dipartimento Farmacochimico, Università di Bari, via Orabona 4, I-70126 Bari, Italy.
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Perrone R, Berardi F, Colabufo NA, Lacivita E, Leopoldo M, Tortorella V. Synthesis and structure-affinity relationships of 1-[omega-(4-aryl-1-piperazinyl)alkyl]-1-aryl ketones as 5-HT(7) receptor ligands. J Med Chem 2003; 46:646-9. [PMID: 12570387 DOI: 10.1021/jm020994z] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Structural requirements for 5-HT(7) receptor affinity and selectivity over that for the 5-HT(1A) receptor were studied on a series of 1-[omega-(4-aryl-1-piperazinyl)alkyl]-1-aryl ketones. The presence of a hydroxy or methoxy substituent on aryl ketone moiety, alkyl chain length, and the nature of N-1-piperazine substituent were explored. 6-[4-(3-Benzisoxazolyl)-1-piperazinyl]-1-(2-hydroxyphenyl)-1-hexanone (40) and its methoxy analogue 43 exhibited high 5-HT(7) receptor affinities (Ki = 2.93 nM and 0.90 nM, respectively) and agonist properties when tested for 5-HT(7) receptor-mediated relaxation of substance P-induced guinea-pig ileum contraction.
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Affiliation(s)
- Roberto Perrone
- Dipartimento Farmaco-Chimico, Università degli Studi di Bari, via Orabona, 4, 70126, Bari, Italy.
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Perrone R, Berardi F, Colabufo NA, Leopoldo M, Lacivita E, Tortorella V, Leonardi A, Poggesi E, Testa R. trans-4-[4-(Methoxyphenyl)cyclohexyl]-1-arylpiperazines: a new class of potent and selective 5-HT(1A) receptor ligands as conformationally constrained analogues of 4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]-1-arylpiperazines. J Med Chem 2001; 44:4431-42. [PMID: 11728188 DOI: 10.1021/jm010866v] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The present paper concerns the influence of conformational parameters on the recognition by rat 5-HT1A receptors of derivatives 4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]-1-(2-pyridinyl)piperazine (1a) and 3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)-N-[2-(2-pyridyloxy)ethyl]propanamine (3b), two highly potent and selective 5-HT1A receptor ligands. Fifteen corresponding flexible and rigid analogues were prepared following several synthetic routes and were tested in binding assays with radioligands at 5-HT1A, D2, and alpha1 receptors from rat brain membranes. Among the new derivatives emerged trans-4-[4-(3-methoxyphenyl)cyclohexyl]-1-(2-pyridinyl)piperazine (trans-8a) and trans-N-[4-(3-methoxyphenyl)cyclohexyl]-2-(2-pyridyloxy)ethylamine (trans-8b). These compounds can be considered as conformationally constrained analogues of compounds 1a and 3a, respectively. In fact, compounds trans-8a and trans-8b showed a marked enhancement in 5-HT1A receptor affinity when compared to the corresponding cis isomers. Because compound trans-8a was a potent and selective 5-HT1A ligand (K(i), nM: 5-HT1A = 0.028, D2 = 2194, alpha1 = 767), it was chosen as a lead to prepare other analogues that were tested at 5-HT1A, D2, and alpha1 receptors from rat brain membranes, showing high affinity at the 5-HT1A and selectivity vs D2 and alpha1 receptors. Selected compounds were tested for their affinity at the human cloned 5-HT1A, alpha1a, alpha1b, alpha1d receptor subtypes. They were also submitted to the [35S]GTPgammaS binding assay stimulating the 5-HT1A receptor-mediated G-protein activation, therefore behaving as full or as partial agonists. Finally, the ability of iv administration of trans-8a to induce fore-paw treading in rats was evaluated in comparison with 8-OH-DPAT. Although the affinity (K(i)) and in vitro activity (pD'2) of trans-8a at the 5-HT1A receptor were higher than those of 8-OH-DPAT, the compound was less potent than the reference standard in inducing the symptom.
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Affiliation(s)
- R Perrone
- Dipartimento Farmaco-Chimico, Università Bari, Italy.
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