Abstract:
:Generally, antipsychotic agents are dopamine receptor blocking agents that also block conditioned avoidance responding (CAR) in the rat. Recently, however, both (Q-methoxyphenyl)piperazine (OMPP, 1h) and (m-chlorophenyl)piperazine (MCPP, 1o) have been reported to block conditioned avoidance responding in the rat although neither has dopamine receptor blocking properties. The present paper examines the behavioral and biochemical profile of a number of additional substituted phenylpiperazines. None of the phenylpiperazines tested demonstrated high affinity for either dopamine D-1 or D-2 receptor sites, yet many were effective in blocking CAR. The results suggest that the phenylpiperazines may be effective antipsychotic agents without blocking dopamine receptors. Moreover, the active compounds did demonstrate activity in displacing ligand binding to serotonin receptors. Receptor binding profiles were determined for 5-HT-1A and 5-HT-1B binding sites as well as for 5-HT-2 sites. The data from this preclinical test suggest these phenylpiperazines might be effective antipsychotic agents acting via a nondopaminergic mechanism of action.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Martin GE,Elgin RJ Jr,Mathiasen JR,Davis CB,Kesslick JM,Baldy WJ,Shank RP,DiStefano DL,Fedde CL,Scott MKdoi
10.1021/jm00125a020subject
Has Abstractpub_date
1989-05-01 00:00:00pages
1052-6issue
5eissn
0022-2623issn
1520-4804journal_volume
32pub_type
杂志文章abstract::The bioavailability of aromatic azaheterocyclic drugs can be affected by the activity of aldehyde oxidase (AO). Susceptibility to AO metabolism is difficult to predict computationally and can be complicated in vivo by differences between species. Here we report the use of bis(((difluoromethyl)sulfinyl)oxy)zinc (DFMS) ...
journal_title:Journal of medicinal chemistry
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更新日期:2014-02-27 00:00:00
abstract::Conjugation of pleuromutilin is an attractive strategy for the development of novel antibiotics and the fight against multiresistant bacteria as the class is associated with low rates of resistance and cross-resistance development. Herein, the preparation of 35 novel (+)-pleuromutilin conjugates is reported. Their des...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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journal_title:Journal of medicinal chemistry
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更新日期:1996-09-27 00:00:00
abstract::If no structural information about a particular target protein is available, methods of rational drug design try to superimpose putative ligands with a given reference, e.g., an endogenous ligand. The goal of such structural alignments is, on the one hand, to approximate the binding geometry and, on the other hand, to...
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更新日期:1998-11-05 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
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更新日期:1989-08-01 00:00:00
abstract::G-protein-coupled receptor 52 (GPR52) is an orphan Gs-coupled G-protein-coupled receptor. GPR52 inhibits dopamine D2 receptor signaling and activates dopamine D1/N-methyl-d-aspartate receptors via intracellular cAMP accumulation, and therefore, GPR52 agonists may have potential as a novel class of antipsychotics. A se...
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pub_type: 杂志文章
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更新日期:2014-06-26 00:00:00
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pub_type: 杂志文章
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更新日期:1981-01-01 00:00:00
abstract::Twenty-three acrylonitriles, substituted at position 2 with either triazoles or benzimidazoles and at position 3 with various substituted furan, thiophene, or phenyl rings, were prepared by Knoevenagel condensation and tested for in vitro cytotoxic potency on 11 human cancer cell lines. X-ray crystal analysis of two r...
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更新日期:2004-06-17 00:00:00
abstract::We have derivatized Momordica saponins (MS) I and II through their coupling at C3 glucuronic acid site with dodecylamine. The derivatives show significantly different immunostimulant activity profiles from their respective natural parent saponins. In particular, adjuvant VSA-1 (5), the derivative of MS I, potentiates ...
journal_title:Journal of medicinal chemistry
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更新日期:2019-11-14 00:00:00
abstract::The recent discovery that the formaldehyde conjugates of doxorubicin and daunorubicin, Doxoform and Daunoform, are cytotoxic to resistant human breast cancer cells prompted the search for hydrolytically more stable anthracycline-formaldehyde conjugates. Doxoform and Daunoform consist of two molecules of the parent dru...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:1998-04-09 00:00:00
abstract::N5-Acetyl-N5-hydroxy-L-ornithyl-N5-acetyl-N5-hydroxy-L-ornithyl-N5-acety l- N5-hydroxy-L-ornithine, the functionally instrumental component of the albomycins and ferrichromes, has been incorporated as a "carrier" substructure into both carbacephalosporin and oxamazin type beta-lactam antibiotics. The previously synthe...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:1991-03-01 00:00:00
abstract::Agouti-related protein (AGRP) is a potent orexigenic peptide that antagonizes the melanocortin-3 and -4 receptors (MC3R and MC4R). While the C-terminal domain of AGRP, AGRP(87-132), is equipotent to the full-length peptide, further truncation decreases potency at the MC3R and MC4R. Herein, we report AGRP-derived pepti...
journal_title:Journal of medicinal chemistry
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更新日期:2015-06-11 00:00:00
abstract::New imidazo[1,2-a]pyridines substituted at the 3-position have been synthesized as potential antisecretory and cytoprotective antiulcer agents. The synthetic routes began with cyclization of aminopyridines 5a,b and chloro ketones 6a,b to give imidazo[1,2-a]pyridines 7-9. The side chain at the 3-position was elaborated...
journal_title:Journal of medicinal chemistry
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更新日期:1989-09-01 00:00:00
abstract::The human brain is a uniquely complex organ, which has evolved a sophisticated protection system to prevent injury from external insults and toxins. Designing molecules that can overcome this protection system and achieve optimal concentration at the desired therapeutic target in the brain is a specific and major chal...
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更新日期:2015-03-26 00:00:00
abstract::A series of (fluorobenzyl)triazolo[4,5-c]pyridines was synthesized and tested for activity against maximal electroshock-induced seizures in rodents. The most promising compound, 14 (BW 534U87), which is a carbon-nitrogen isoster of a purine anticonvulsant, has a profile in rodents that suggests 14 will be free of emes...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00020a030
更新日期:1995-09-29 00:00:00
abstract::Using easily accessible keto-trioxanes 7a-g as the starting materials, a series of new variously functionalized 1,2,4-trioxanes 10-36 have been prepared and evaluated for antimalarial activity against multi-drug-resistant Plasmodium yoelii nigeriensis in mice in the dose range of 24 mg/kg x 4 days to 96 mg/kg x 4 days...
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更新日期:2006-05-04 00:00:00
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journal_title:Journal of medicinal chemistry
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更新日期:2013-06-27 00:00:00
abstract::A series of derivatives of the antimycobacterial natural product pyridomycin have been prepared with the C2 side chain attached to the macrocyclic core structure by a C-C single bond, in place of the synthetically more demanding enol ester double bond found in the natural product. Hydrophobic C2 substituents of suffic...
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journal_title:Journal of medicinal chemistry
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更新日期:1996-01-19 00:00:00
abstract::A series of 3-(1,2-disubstituted-1H-benzimidazol-5-yl)-N-hydroxyacrylamides (1) were designed and synthesized as HDAC inhibitors. Extensive SARs have been established for in vitro potency (HDAC1 enzyme and COLO 205 cellular IC(50)), liver microsomal stability (t(1/2)), cytochrome P450 inhibitory (3A4 IC(50)), and clog...
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更新日期:2011-07-14 00:00:00
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更新日期:2000-11-30 00:00:00
abstract::PRMT3 catalyzes the asymmetric dimethylation of arginine residues of various proteins. It is crucial for maturation of ribosomes and has been implicated in several diseases. We recently disclosed a highly potent, selective, and cell-active allosteric inhibitor of PRMT3, compound 4. Here, we report comprehensive struct...
journal_title:Journal of medicinal chemistry
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更新日期:2018-02-08 00:00:00
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journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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更新日期:2010-01-28 00:00:00
abstract::A series of N7-substituted 7-aminoactinomycin D analogues with alkyl, aralkyl, and heteroaralkyl substituents was synthesized and their biological properties were studied. All of these analogues proved to be 22- to 28-fold less toxic than actinomycin D when tested against human lymphoblastic leukemia cells (CCRF-CEM) ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
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abstract::Reaction of nitric oxide (NO) with L-proline in methanolic sodium methoxide yields a diazeniumdiolate product, C5H7N3O4Na2.CH3OH (PROLI/NO), that can be stabilized in basic solution but that dissociates to proline (1 mol) and NO (2 mol) with a half-life of only 1.8 s at pH 7.4 and 37 degrees C. This kinetic behavior h...
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