Abstract:
:We investigated the pharmacological profile of a novel series of quinoxaline-based 5-HT(3) receptor ligands bearing an extra basic moiety on the piperazine N-4. High affinity and selectivity were dependent on the electronic properties of the substituents, and at cardiac level 3a and 3c modulated chronotropy but not inotropy. In von Bezold-Jarisch reflex test 3a-c were partial agonists while 3i was a full agonist. Preliminary pharmacokinetic studies indicated that 3a is a brain penetrating agent.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Butini S,Budriesi R,Hamon M,Morelli E,Gemma S,Brindisi M,Borrelli G,Novellino E,Fiorini I,Ioan P,Chiarini A,Cagnotto A,Mennini T,Fracasso C,Caccia S,Campiani Gdoi
10.1021/jm901126msubject
Has Abstractpub_date
2009-11-12 00:00:00pages
6946-50issue
21eissn
0022-2623issn
1520-4804journal_volume
52pub_type
杂志文章abstract::The levo and dextro isomers of 2,5-dimethyl-2'-hydroxy-9alpha- and -9beta-propyl-6,7-benzomorphans have been prepared. The analgesic potency and physical dependence capacity of the optical isomers and their racemic parents were determined. The 9alpha-propyl levo isomer was analgesically equipotent with morphine; the 9...
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abstract::Reaction of 3'-acetylthymidine with phosphorus oxychloride in trimethyl phosphate yielded the phosphorodichloridate 5, which was subsequently reacted with aziridine, or 2,2-dimethylaziridine to give compounds 6 and 7, respectively. The 2,2-dimethylaziridine derivative 7 was considerably more active than 6 against leuk...
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abstract::A structure-activity study was carried out to determine the importance of the N-terminal amino acids of hCGRP8-37 in binding and antagonistic activity to CGRP receptors. Therefore, fragments of hCGRP8-37 as well as analogs obtained by the replacement of residues 9-12 by L-alanine were synthesized by solid-phase peptid...
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pub_type: 杂志文章
doi:10.1021/jm00090a003
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abstract::Oxadiazoles, like the benzoyl group in a series of imidazo[1,2-a]pyrimidines, have been found to be metabolically stable alternatives to ester groups in benzodiazepine-receptor ligands. This change has lead to a number of compounds which bind to the receptors and which exhibit potent agonist activity in a food-motivat...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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abstract::Fosmidomycin inhibits IspC (Dxr, 1-deoxy-d-xylulose 5-phosphate reductoisomerase), a key enzyme in nonmevalonate isoprenoid biosynthesis that is essential in Plasmodium falciparum. The drug has been used successfully to treat malaria patients in clinical studies, thus validating IspC as an antimalarial target. However...
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abstract::Thymidine phosphorylase/platelet-derived endothelial cell growth factor (TP/PD-ECGF) is an enzyme involved in thymidine metabolism and homeostasis, and its catalytic activity appears to play an important role in angiogenesis. Here we describe the cloning and expression of a His-tagged human TP/PD-ECGF and its assay wi...
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abstract::Dihydropyrimidinones such as compound 12 exhibited high binding affinity and subtype selectivity for the cloned human alpha(1a) receptor. Systematic modifications of 12 led to identification of highly potent and subtype-selective compounds such as (+)-30 and (+)-103, with high binding affinity (K(i) = 0.2 nM) for alph...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:1999-11-18 00:00:00
abstract::The HIV-1 central nervous system infection leads to the onset of neurological impairments called AIDS dementia complex (ADC). PAF plays an important role in this pathology, as it is an HIV-1-induced neurotoxin produced by infected or activated macrophages and microglia, in the brain. We previously reported that PAF-an...
journal_title:Journal of medicinal chemistry
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abstract::A series of novel nitroheterocyclic phosphoramidates has been evaluated for antitumor activity in murine and xenograft tumor models and for toxicity in mice. Significant increases in lifespan and long-term survivors were noted in L1210 leukemia and B16 melanoma models, and both complete and partial tumor regressions w...
journal_title:Journal of medicinal chemistry
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abstract::This report describes the syntheses and structure-activity relationships of 8-(4-methoxyphenyl)pyrazolo[1,5-a]-1,3,5-triazine corticotropin releasing factor receptor-1 (CRF(1)) receptor antagonists. CRF(1) receptor antagonists may be potential anxiolytic or antidepressant drugs. This research culminated in the discove...
journal_title:Journal of medicinal chemistry
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更新日期:2009-05-14 00:00:00
abstract::Singlet oxygen can severely damage biological tissue, which is exploited in photodynamic therapy (PDT). In PDT, the effective range is limited by the distribution of the photosensitizer (PS) and the illuminated area. However, no distinction is made between healthy and pathological tissue, which can cause undesired dam...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.9b01873
更新日期:2020-02-27 00:00:00
abstract::In order to increase the retention of drug activity, regiospecific coupling has been used to synthesize conjugates of methotrexate (MTX, 1) with normal rabbit IgG (NRG) and a mouse anti-human renal cancer monoclonal IgG (Dal K-20). MTX gamma-methyl ester (4) was produced either by selective esterification of MTX or by...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00131a003
更新日期:1989-11-01 00:00:00
abstract::A variety of nitroheterocyclic carbamate prodrugs of phenylenediamine mustard and 5-amino-1-(chloromethyl)-3-[(5,6,7-trimethoxyindol-2-yl)carbonyl]-1,2-dihydro-3H-benz[e]indoline (amino-seco-CBI-TMI), covering a wide range of reduction potential, were prepared and evaluated for use in gene-directed enzyme prodrug ther...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm030308b
更新日期:2003-12-04 00:00:00
abstract::Quadruplex-forming sequences are widely prevalent in human and other genomes, including bacterial ones. These sequences are over-represented in eukaryotic telomeres, promoters, and 5' untranslated regions. They can form quadruplex structures, which may be transient in many situations in normal cells since they can be ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:2016-07-14 00:00:00
abstract::A series of 5-alkyl-2-(alkylthio)-6-(1-(2,6-difluorophenyl)propyl)-3,4-dihydropyrimidin-4(3H)-one derivatives (3a-h) belonging to the F(2)-DABOs class of non-nucleoside HIV-1 reverse transcriptase inhibitors (NNRTIs) are endowed with a strong antiproliferative effect and induce cytodifferentiation in A375 melanoma cel...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:2011-08-25 00:00:00
abstract::The 5-HT(6) receptor (5-HT(6)R) has been in the spotlight for several years regarding CNS-related diseases. We set out to discover novel, neutral 5-HT(6)R antagonists to improve off-target selectivity compared to basic amine-containing scaffolds dominating the field. High-throughput screening identified the N'-(sulfon...
journal_title:Journal of medicinal chemistry
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更新日期:2011-10-27 00:00:00
abstract::Compounds that simultaneously activate the three peroxisome proliferator-activated receptor (PPAR) subtypes alpha, gamma, and delta hold potential to address the adverse metabolic and cardiovascular conditions associated with diabetes and the metabolic syndrome. We recently identified the indanylacetic acid moiety as ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm061299k
更新日期:2007-03-08 00:00:00
abstract::Dicarba analogues of the cyclic opioid peptides H-Tyr-c[d-Cys-Gly-Phe-d(or l)-Cys]NH2 were synthesized on solid phase by substituting allylglycines for the cysteines and cyclization by ring-closing metathesis between the side chains of the allylglycine residues. Mixtures of cis and trans isomers of the resulting olefi...
journal_title:Journal of medicinal chemistry
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更新日期:2007-03-22 00:00:00
abstract::A novel method for quantitative structure-activity relationship (QSAR) analysis is presented. The method, which does not assume any particular functional form for the QSAR, develops nonlinear relationships between parameters describing a set of molecules and the activity of the molecules. For the QSAR of the inhibitio...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:1996-08-30 00:00:00
abstract::G-protein coupled receptor (GPCR) GPR109a is a molecular target for nicotinic acid and is expressed in adipocytes, spleen, and immune cells. Nicotinic acid has long been used for the treatment of dyslipidemia due to its capacity to positively affect serum lipids to a greater extent than other currently marketed drugs....
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journal_title:Journal of medicinal chemistry
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doi:10.1021/jm00393a010
更新日期:1987-10-01 00:00:00
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journal_title:Journal of medicinal chemistry
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abstract::The endogenous peptides somatostatin (SRIF) and substance P comprise very different structures. Although both bind G-protein-coupled receptors, the SRIF receptors (SSTR 1-5) recognize SRIF and related peptides which retain its beta-turn such as the potent cyclic hexapeptide SRIF agonist L-363,301 (6a), but not substan...
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abstract::Three series of 4-anilino-1H-pyrazolo[3,4-b]pyridine-5-carboxylic esters were synthesized as part of a program to study potential anti-Leishmania drugs. These compounds were obtained by a condensation reaction of 4-chloro-1H-pyrazolo[3,4-b]pyridine with several aniline derivatives. Some of them were also obtained by a...
journal_title:Journal of medicinal chemistry
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更新日期:2004-10-21 00:00:00
abstract::Focal adhesion kinase (FAK) is a nonreceptor intracellular tyrosine kinase that plays an essential role in cancer cell adhesion, survival, proliferation, and migration through both its enzymatic activities and scaffolding functions. Overexpression of FAK has been found in many human cancer cells from different origins...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章,评审
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更新日期:2020-12-10 00:00:00
abstract::S1P5 is one of 5 receptors for sphingosine-1-phosphate and is highly expressed on endothelial cells within the blood-brain barrier, where it maintains barrier integrity in in vitro models (J. Neuroinflamm. 2012, 9, 133). Little more is known about the effects of S1P5 modulation due to the absence of tool molecules wit...
journal_title:Journal of medicinal chemistry
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journal_title:Journal of medicinal chemistry
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abstract::The chemical synthesis and structure-activity relationships of a novel series of 17beta-glucocorticoid butyrolactones possessing either a 16alpha,17alpha-isopropylidene or -butylidene group are described. The sulfur-linked gamma-lactone group was incorporated onto the 17beta-position of the androstane nucleus via Bart...
journal_title:Journal of medicinal chemistry
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