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Bolchi C, Pallavicini M, Bernini SK, Chiodini G, Corsini A, Ferri N, Fumagalli L, Straniero V, Valoti E. Thiazole- and imidazole-containing peptidomimetic inhibitors of protein farnesyltransferase. Bioorg Med Chem Lett 2011; 21:5408-12. [DOI: 10.1016/j.bmcl.2011.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 06/30/2011] [Accepted: 07/03/2011] [Indexed: 11/15/2022]
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52
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Pallavicini M, Bolchi C, Fumagalli L, Piccolo O, Valoti E. Highly efficient racemisation of a key intermediate of the antibiotic moxifloxacin. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.tetasy.2011.02.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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53
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Pallavicini M, Bolchi C, Fumagalli L, Piccolo O, Valoti E. A highly efficient method for the α,β-dehydrogenation of α-amino esters and α-amino-β-diesters. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.08.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Vistoli G, Pedretti A, Mazzolari A, Bolchi C, Testa B. Influence of ionization state on the activation of temocapril by hCES1: a molecular-dynamics study. Chem Biodivers 2010; 6:2092-100. [PMID: 19937843 DOI: 10.1002/cbdv.200900174] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Temocapril is a prodrug whose hydrolysis by carboxylesterase 1 (CES1) yields the active ACE inhibitor temocaprilat. This molecular-dynamics (MD) study uses a resolved structure of the human CES1 (hCES1) to investigate some mechanistic details of temocapril hydrolysis. The ionization constants of temocapril (pK1 and pK3) and temocaprilat (pK1, pK2, and pK3) were determined experimentally and computationally using commercial algorithms. The constants so obtained were in good agreement and revealed that temocapril exists mainly in three ionic forms (a cation, a zwitterion, and an anion), whereas temocaprilat exists in four major ionic forms (a cation, a zwitterion, an anion, and a dianion). All these ionic forms were used as ligands in 5-ns MS simulations. While the cationic and zwitterionic forms of temocapril were involved in an ion-pair bond with Glu255 suggestive of an inhibitor behavior, the anionic form remained in a productive interaction with the catalytic center. As for temocaprilat, its cation appeared trapped by Glu255, while its zwitterion and anion made a slow departure from the catalytic site and a partial egress from the protein. Only its dianion was effectively removed from the catalytic site and attracted to the protein surface by Lys residues. A detailed mechanism of product egress emerges from the simulations.
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Bolchi C, Pallavicini M, Fumagalli L, Ferri N, Corsini A, Rusconi C, Valoti E. New Ras CAAX mimetics: design, synthesis, antiproliferative activity, and RAS prenylation inhibition. Bioorg Med Chem Lett 2009; 19:5500-4. [PMID: 19666221 DOI: 10.1016/j.bmcl.2009.07.065] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2009] [Revised: 07/09/2009] [Accepted: 07/10/2009] [Indexed: 10/20/2022]
Abstract
Mimetics of the C-terminal CAAX tetrapeptide of Ras protein were designed replacing cysteine (C) by 2-hydroxymethylbenzodioxane or 2-aminomethylbenzodioxane, respectively etherified and amidified with 2'-methyl or 2'-methoxy substituted 2-carboxy-4-hydroxybiphenyl and 2,4-dicarboxybiphenyl. These pluri-substituted biphenyl systems, used as internal spacer and AA dipeptide bioisoster, were linked to the methyl ester of l-methionine, glycine or l-leucine by an amide bond. The resultant twelve pairs of stereoisomers at the dioxane C-2 were tested for antiproliferative effect finding the maximum activity for derivatives with methyleneoxy linker between benzodioxane and 2'-methylbiphenyl. Of these compounds, the one with terminal methionine and S configuration proved a good Ras prenylation inhibitor in a cell-based assay.
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Pallavicini M, Bolchi C, Binda M, Cilia A, Clementi F, Ferrara R, Fumagalli L, Gotti C, Moretti M, Pedretti A, Vistoli G, Valoti E. 5-(2-Pyrrolidinyl)oxazolidinones and 2-(2-pyrrolidinyl)benzodioxanes: synthesis of all the stereoisomers and alpha4beta2 nicotinic affinity. Bioorg Med Chem Lett 2008; 19:854-9. [PMID: 19097783 DOI: 10.1016/j.bmcl.2008.12.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2008] [Revised: 11/28/2008] [Accepted: 12/02/2008] [Indexed: 11/28/2022]
Abstract
The four stereoisomers of 2-oxazolidinone 5-substituted with 1-methyl-2-pyrrolidinyl (1), of 1,4-benzodioxane 2-substituted with the same residue (2) and of the nor-methyl analogue of this latter (2a) were synthesized as candidate nicotinoids. Of the 12 compounds, two N-methylated pyrrolidinyl-benzodioxane stereoisomers, namely those with the same relative configuration at the pyrrolidine stereocentre as (S)-nicotine, bind at alpha4beta2 nicotinic acetylcholine receptor with submicromolar affinity. Consistently with the biological data, docking analysis enlightens significant differences in binding site interactions not only between 1 and 2, but also between 2 and 2a and between the stereoisomers of 2 accounting for the critical role played, in the case of the pyrrolidinyl-benzodioxanes, by the chirality of both the stereolabile and stereostable stereogenic atoms, namely the protonated tertiary nitrogen and the two asymmetric carbons.
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Pallavicini M, Bolchi C, Binda M, Ferrara R, Fumagalli L, Piccolo O, Valoti E. Entrainment resolution of carnitinamide chloride. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.06.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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58
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Pedretti A, Marconi C, Bolchi C, Fumagalli L, Ferrara R, Pallavicini M, Valoti E, Vistoli G. Modelling of full-length human alpha4beta2 nicotinic receptor by fragmental approach and analysis of its binding modes. Biochem Biophys Res Commun 2008; 369:648-53. [PMID: 18302933 DOI: 10.1016/j.bbrc.2008.02.080] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2008] [Accepted: 02/14/2008] [Indexed: 10/22/2022]
Abstract
The objective of the study was to generate a full-length model for the heteropentameric structure of human alpha4beta2 nicotinic receptor. The monomers structure was derived using a fragmental approach and the pentamer was assembled by protein-protein docking. The reliability of the model was assessed docking a representative set of known nicotinic ligands. Docking results unveiled that the ligand affinity depends on key interactions that the ligand's charged moiety realizes with conserved apolar residues of alpha4 monomer, whereas the H-bond acceptor group interacts with a less conserved and more heterogeneous subpocket, involving polar residues of beta2 subunit. The consistency of docking results and the agreement with the experimental data afford an encouraging validation for the proposed model and emphasize the soundness of such a fragmental approach to model any transmembrane protein.
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Pallavicini M, Moroni B, Bolchi C, Cilia A, Clementi F, Fumagalli L, Gotti C, Meneghetti F, Riganti L, Vistoli G, Valoti E. Corrigendum to “Synthesis and α4β2 nicotinic affinity of unichiral 5-(2-pyrrolidinyl)oxazolidinones and 2-(2-pyrrolidinyl)benzodioxanes” [Bioorg. Med. Chem. Lett. 16 (2006) 5610–5615]. Bioorg Med Chem Lett 2007. [DOI: 10.1016/j.bmcl.2007.10.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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60
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Bolchi C, Pallavicini M, Rusconi C, Diomede L, Ferri N, Corsini A, Fumagalli L, Pedretti A, Vistoli G, Valoti E. Peptidomimetic inhibitors of farnesyltransferase with high in vitro activity and significant cellular potency. Bioorg Med Chem Lett 2007; 17:6192-6. [PMID: 17889533 DOI: 10.1016/j.bmcl.2007.09.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2007] [Revised: 09/05/2007] [Accepted: 09/05/2007] [Indexed: 11/22/2022]
Abstract
2-o-Tolyl or 2-o-anisyl substituted 4-hydroxy- and 4-carboxybenzamides of methionine, etherified and amidified with 2-hydroxymethyl- and 2-aminomethylpyridodioxane, respectively, are described as inhibitors of Ras protein farnesyltransferase (FTase). Of the sixteen compounds, resulting from the substitution pattern of benzamide and the configuration of the two stereocenters, seven inhibited FTase activity with potencies in the nanomolar range. They were all 2-oxymethylpyridodioxane ethers and, among them, the four o-tolyl substituted stereoisomers also showed micromolar antiproliferative effect on human aortic smooth muscle cells interfering with Ras farnesylation. The docking analysis enlightened significant differences in enzyme interaction between oxymethylpyridodioxane and aminomethylpyridodioxane derivatives.
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Pallavicini M, Budriesi R, Fumagalli L, Ioan P, Chiarini A, Bolchi C, Ugenti MP, Colleoni S, Gobbi M, Valoti E. WB4101-Related Compounds: New, Subtype-Selective α1-Adrenoreceptor Antagonists (or Inverse Agonists?). J Med Chem 2006; 49:7140-9. [PMID: 17125266 DOI: 10.1021/jm060358r] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Our previous structure-affinity relationship study had considered the enantiomers of the naphthodioxane, tetrahydronaphthodioxane, and 2-methoxy-1-naphthoxy analogues (compounds 1, 3, and 2, respectively) of 2-(2,6-dimethoxyphenoxyethylaminomethyl)-1,4-benzodioxane, the well-known alpha1-adrenoceptor (alpha1-AR) antagonist WB4101, showing that such modifications significantly modulate the affinity and selectivity profile for alpha1-AR subtypes and 5-HT1A receptor. Here, we extend investigations to antagonist activity enclosing new enantiomeric pairs, namely those of the methoxytetrahydronaphthoxy and methoxybiphenyloxy WB4101 analogues (4 and 5-7, respectively) and of a double-modified WB4101 derivative (8) resulting from hybridization between 2 and 3. We found that (S)-2 is a very potent (pA2 10.68) and moderately selective alpha1D-AR antagonist and the hybrid (S)-8 is a potent (pA2 7.98) and highly selective alpha1A-AR antagonist. Both of these compounds and (S)-WB4101 seem to act as inverse agonists in a vascular model. The results, which generally validate the logic we followed in designing these eight compounds, are acceptably rationalized by comparative SAR analysis of binding and functional affinities.
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Pallavicini M, Fumagalli L, Gobbi M, Bolchi C, Colleoni S, Moroni B, Pedretti A, Rusconi C, Vistoli G, Valoti E. QSAR study for a novel series of ortho disubstituted phenoxy analogues of α1-adrenoceptor antagonist WB4101. Eur J Med Chem 2006; 41:1025-40. [PMID: 16737760 DOI: 10.1016/j.ejmech.2006.04.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 04/06/2006] [Accepted: 04/14/2006] [Indexed: 10/24/2022]
Abstract
On the basis of the affinities at the alpha1a-, alpha1b- and alpha1d-adrenoceptors and the 5-HT1A receptor of a previous series of sixteen 2-[(2-phenoxyethyl)aminomethyl]-1,4-benzodioxanes ortho monosubstituted at the phenoxy moiety, a number of ortho disubstituted analogues were designed, synthesized in both the enantiomeric forms and tested in binding assays on the same receptors. The affinity values of the new compounds 1-11 were compared with those of the enantiomers of the 2,6-dimethoxyphenoxy analogue, the well-known alpha1 antagonist WB4101, and of the ortho monosubstituted derivatives, suggesting some distinctive aspects of the interaction of the phenoxy moiety, in particular with the alpha1a-AR and the 5-HT1A receptor, of the monosubstituted and the disubstituted compounds. A classical quantitative structure-activity relationship (Hansch) analysis was applied to the whole set of the S enantiomers of the ortho mono- and disubstituted WB4101 analogues (26 compounds), finding a very good correlation for the alpha1a affinity. For this latter, a significant parabolic relationship was also found with the volume of the two ortho substituents. Diametrically opposite, the same relationships for the 5-HT1A exhibit low or insignificant correlation coefficients.
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Pallavicini M, Moroni B, Bolchi C, Cilia A, Clementi F, Fumagalli L, Gotti C, Meneghetti F, Riganti L, Vistoli G, Valoti E. Synthesis and alpha4beta2 nicotinic affinity of unichiral 5-(2-pyrrolidinyl)oxazolidinones and 2-(2-pyrrolidinyl)benzodioxanes. Bioorg Med Chem Lett 2006; 16:5610-5. [PMID: 16942873 DOI: 10.1016/j.bmcl.2006.08.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2006] [Revised: 08/01/2006] [Accepted: 08/02/2006] [Indexed: 10/24/2022]
Abstract
The RS and SR enantiomers of 2-oxazolidinone and 1,4-benzodioxane bearing a 2-pyrrolidinyl substituent at the 5- and 2-position, respectively, were synthesized as candidate nicotinoids. One of the two benzodioxane stereoisomers reasonably fits the pharmacophore elements of (S)-nicotine and binds at alpha4beta2 nicotinic acetylcholine receptor with submicromolar affinity. Interestingly, both the synthesized pyrrolidinylbenzodioxanes exhibit analogous affinity at alpha(2) adrenergic receptor resembling the behaviour of some known alpha(2)-AR ligands recently proved to possess neuronal nicotinic affinity.
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Bolchi C, Pallavicini M, Fumagalli L, Moroni B, Rusconi C, Valoti E. Univocal syntheses of 2- and 3-hydroxymethyl-2,3-dihydro[1,4]dioxino[2,3-b]pyridine enantiomers. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2005.09.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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65
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Marchini N, Artali R, Bombieri G, Bolchi C, Pallavicini M, Valoti E. Influence of the p-substituent for the diastereomeric resolution of carboxylic acids. Acta Crystallogr A 2005. [DOI: 10.1107/s010876730508760x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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66
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Marchini N, Bombieri G, Artali R, Bolchi C, Pallavicini M, Valoti E. Influence of (S)-1-phenylethylamine para substitution on the resolution of (±)-1,4-benzodioxane-2-carboxylic acid: a crystallographic, theoretical and morphologic approach. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2005.05.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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67
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Bolchi C, Pallavicini M, Fumagalli L, Marchini N, Moroni B, Rusconi C, Valoti E. Highly efficient resolutions of 1,4-benzodioxane-2-carboxylic acid with para substituted 1-phenylethylamines. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2005.01.052] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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68
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Fumagalli L, Bolchi C, Colleoni S, Gobbi M, Moroni B, Pallavicini M, Pedretti A, Villa L, Vistoli G, Valoti E. QSAR study for a novel series of ortho monosubstituted phenoxy analogues of α1-adrenoceptor antagonist WB4101. Bioorg Med Chem 2005; 13:2547-59. [PMID: 15755656 DOI: 10.1016/j.bmc.2005.01.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2004] [Revised: 01/14/2005] [Accepted: 01/21/2005] [Indexed: 11/17/2022]
Abstract
A number of (S)- and (R)-2-[(2-phenoxyethyl)aminomethyl]-1,4-benzodioxanes unsubstituted or ortho monosubstituted at the phenoxy moiety were synthesized and tested in binding assays on the alpha(1a)-AR, alpha(1b)-AR, alpha(1d)-AR and the 5-HT(1A) receptor. The affinity values of the new compounds 1-16 were compared with those of the enantiomers of the 2,6-dimethoxyphenoxy analogue, the well-known alpha(1) antagonist WB4101, finding that the unsubstituted derivative (S)-1 and the o-methyl, the o-t-butyl, the o-fluoro and the o-methoxy derivatives, (S)-2, (S)-4, (S)-8 and (S)-16, respectively, display a significantly specific 5-HT(1A) affinity, very close, with the exception of (S)-4, to the almost nanomolar one of (S)-WB4101. Otherwise, sensible affinity decreases were recorded for the three alpha(1)-AR subtypes. A classical quantitative structure-activity relationship (Hansch) analysis was successfully applied to compounds (S)-1 to (S)-16 and (S)-WB4101 to rationalize such binding data.
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Pallavicini M, Moroni B, Bolchi C, Clementi F, Fumagalli L, Gotti C, Vailati S, Valoti E, Villa L. Synthesis and α4β2 nicotinic affinity of 2-pyrrolidinylmethoxyimines and prolinal oxime ethers. Bioorg Med Chem Lett 2004; 14:5827-30. [PMID: 15501049 DOI: 10.1016/j.bmcl.2004.09.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2004] [Revised: 09/03/2004] [Accepted: 09/17/2004] [Indexed: 11/23/2022]
Abstract
Homochiral E and Z isomers of N-methylprolinal O-isopropyloxime and (1-methyl-2-pyrrolidinyl)methoxyimines were synthesized as candidate bioisosteres of nicotine and its isoxazolic analogue ABT 418. Two of them, namely (S)-2-isopropylideneaminooxymethyl- and (Z)-(S)-2-ethylideneaminooxymethyl-1-methylpyrrolidine, proved to bind at alpha4beta2 nicotinic acetylcholine receptor with submicromolar affinity and remarkable selectivity over alpha7 and muscarinic receptors thus supporting the hypothesized bioisosteric relationship between their methyloxyimino group and the aromatic heterocycles of the reference ligands.
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Bolchi C, Catalano P, Fumagalli L, Gobbi M, Pallavicini M, Pedretti A, Villa L, Vistoli G, Valoti E. Structure–affinity studies for a novel series of homochiral naphtho and tetrahydronaphtho analogues of α1 antagonist WB-4101. Bioorg Med Chem 2004; 12:4937-51. [PMID: 15336273 DOI: 10.1016/j.bmc.2004.06.040] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2004] [Accepted: 06/28/2004] [Indexed: 11/25/2022]
Abstract
A number of enantiomeric pairs of naphthodioxane, tetrahydronaphthodioxane and naphthoxy analogues of WB-4101 (1) were designed and synthesized in order to improve the selectivity profile of the parent compound, hopefully in favour of the alpha(1a)-AR with respect to the other two alpha(1) subtypes and the 5-HT(1A) receptor. The new compounds 2-8 and, in addition, the two enantiomers of 1 were tested in binding assays on the alpha(1a)-AR, alpha(1b)-AR, alpha(1d)-AR, and the 5-HT(1A) receptor. Two of them, namely the naphtho- and tetrahydronaphthodioxane derivatives (S)-2 and (S)-3, showed lower, but significantly more specific alpha(1a) affinity than (S)-1, while the two enantiomers of the 2-methoxy-1-naphthoxy analogue 6 maintained most of the very high alpha(1a) affinity of (S)-1 and its alpha(1a) versus alpha(1b) selectivity slightly increasing the alpha(1a)/alpha(1d) and alpha(1a)/5HT(1A) affinity ratios. The SAR data were evaluated in the light of known alpha(1) subtype pharmacophores and of the alpha(1a)-AR binding mode of WB-4101 resultant from literature mutagenesis studies disclosing some interesting consonances with these models.
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Pallavicini M, Bolchi C, Di Pumpo R, Fumagalli L, Moroni B, Valoti E, Demartin F. Resolution of 5-hydroxymethyl-2-oxazolidinone by preferential crystallization and investigations on the nature of the racemates of some 2-oxazolidinone derivatives. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.tetasy.2004.03.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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72
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Bolchi C, Fumagalli L, Moroni B, Pallavicini M, Valoti E. A short entry to enantiopure 2-substituted 1,4-benzodioxanes by efficient resolution methods. ACTA ACUST UNITED AC 2003. [DOI: 10.1016/j.tetasy.2003.09.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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73
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Pallavicini M, Bolchi C, Fumagalli L, Valoti E, Villa L. Highly efficient resolutions with isopropylidene glycerol 3-carboxy-2-naphthoate. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s0957-4166(02)00608-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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