Synthesis of analogues of pepstatin. Effect of structure in subsites P1', P2', and P2 on inhibition of porcine pepsin.

abstract：:Two isomeric 6-endo- and 6-exo-(3',4'-dihydroxyphenyl) derivatives (1 and 2) of 2-azabicyclo[2.2.2]octane were synthesized as semirigid analogues of dopamine (DA) to help evaluate the preferred conformation of dopamine at the uptake site of the presynaptic nerve terminal and at the DA receptor. Against the uptake of 0...

journal_title：Journal of medicinal chemistry

authors： Law SJ,Morgan JM,Masten LW,Borne RF,Arana GW,Kula NS,Baldessarini RJ

更新日期：1982-03-01 00:00:00

abstract：:Three analogs of luteinizing hormone-releasing hormone (LH-RH) of the structure less than Glu-His-Trp-Ser-Tyr-Gly-Gly-Leu-Arg-Pro-Gly-NH2, involving substitutions inpositions 1, 3, and 8 with nonprotein amino acids, have been synthesized by the solid-phase method. They are [pyro-L-alpha-(1-aminoadipic)]-LH-RH, [3-(2-n...

journal_title：Journal of medicinal chemistry

authors： Prasad KU,Roeske RW,Weitl FL,Vilchez-Martinez JA,Schally AV

更新日期：1976-04-01 00:00:00

abstract：:A series of 2,3-diaminopropionanilides was synthesized by acylation of mono- and disubstituted aniline derivatives with 2,3-dibromopropionyl chloride and subsequent amination with the appropriate secondary amines. The target compounds were evaluated in mice for antiarrhythmic efficacy against chloroform-induced tachyc...

journal_title：Journal of medicinal chemistry

authors： Tenthorey PA,Adams HJ,Kronberg GH,Takman BH

更新日期：1981-09-01 00:00:00

abstract：:As part of a study on the antitumor activities of tropolone derivatives prepared from hinokitiol, which naturally occurs in the plants of Chamaecyparis species, effects of aromatic substituents of alpha,alpha-bis(7-hydroxy-5-isopropyltropon-2-yl)toluenes on the activity were examined. Several of the compounds showed h...

journal_title：Journal of medicinal chemistry

authors： Yamato M,Hashigaki K,Kokubu N,Tashiro T,Tsuruo T

更新日期：1986-07-01 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....

journal_title：Journal of medicinal chemistry

authors： Boatman PD,Lauring B,Schrader TO,Kasem M,Johnson BR,Skinner P,Jung JK,Xu J,Cherrier MC,Webb PJ,Semple G,Sage CR,Knudsen J,Chen R,Luo WL,Caro L,Cote J,Lai E,Wagner J,Taggart AK,Carballo-Jane E,Hammond M,Collett

更新日期：2012-04-26 00:00:00

abstract：:The cytotoxicity of oxysterols was systematically studied in tumor and normal cells. Synthetic strategies to prepare this library included oxidations at ring B and a new method to yield 6β-hemiphthalates directly from Δ(5)-steroids. Most oxysterols were cytotoxic and showed selectivity toward cancer cells, LAMA-84 cel...

journal_title：Journal of medicinal chemistry

authors： Carvalho JF,Silva MM,Moreira JN,Simões S,Sá e Melo ML

更新日期：2010-11-11 00:00:00

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

authors： Gilligan PJ,He L,Clarke T,Tivitmahaisoon P,Lelas S,Li YW,Heman K,Fitzgerald L,Miller K,Zhang G,Marshall A,Krause C,McElroy J,Ward K,Shen H,Wong H,Grossman S,Nemeth G,Zaczek R,Arneric SP,Hartig P,Robertson DW,T

更新日期：2009-05-14 00:00:00

abstract：:A unique, dual-function, photoactivatable anticancer prodrug, RuEuL, has been tailored that features a ruthenium(II) complex linked to a cyclen-europium chelate via a π-conjugated bridge. Under irradiation at 488 nm, the dark-inactive prodrug undergoes photodissociation, releasing the DNA-damaging ruthenium species. U...

journal_title：Journal of medicinal chemistry

authors： Li H,Xie C,Lan R,Zha S,Chan CF,Wong WY,Ho KL,Chan BD,Luo Y,Zhang JX,Law GL,Tai WCS,Bünzli JG,Wong KL

更新日期：2017-11-09 00:00:00

abstract：:We present and thoroughly characterize a large collection of 3,4-dihydropyrimidin-2(1H)-ones as A2BAR antagonists, an emerging strategy in cancer (immuno) therapy. Most compounds selectively bind A2BAR, with a number of potent and selective antagonists further confirmed by functional cyclic adenosine monophosphate exp...

journal_title：Journal of medicinal chemistry

authors： Majellaro M,Jespers W,Crespo A,Núñez MJ,Novio S,Azuaje J,Prieto-Díaz R,Gioé C,Alispahic B,Brea J,Loza MI,Freire-Garabal M,Garcia-Santiago C,Rodríguez-García C,García-Mera X,Caamaño O,Fernandez-Masaguer C,Sardina JF,St

更新日期：2021-01-14 00:00:00

abstract：:Two prototype N-methyl-4-thio-substituted cyclophosphamide (CP) derivatives (5 and 6), prodrugs of 4-hydroxycyclophosphamide (4-HO-CP), were designed to undergo oxidative N-demethylation to release the active alkylating agent. These prodrugs were chemically stable until oxidatively N-demethylated in the presence of he...

journal_title：Journal of medicinal chemistry

authors： Moon KY,Shirota FN,Baturay N,Kwon CH

更新日期：1995-03-03 00:00:00

abstract：:N,N'-Diarylureas were prepared, and the structure-activity relationship relative to the CXCR2 receptor was examined. This led to the identification of a potent and highly selective CXCR2 antagonist, which in addition was shown to be functionally active both in vitro against human neutrophils and in vivo in rabbit mode...

journal_title：Journal of medicinal chemistry

authors： Widdowson KL,Elliott JD,Veber DF,Nie H,Rutledge MC,McCleland BW,Xiang JN,Jurewicz AJ,Hertzberg RP,Foley JJ,Griswold DE,Martin L,Lee JM,White JR,Sarau HM

更新日期：2004-03-11 00:00:00

abstract：:In this work, we describe the synthesis and in vitro evaluation of a novel series of multitarget-directed ligands (MTDL) displaying both nanomolar dual-binding site (DBS) acetylcholinesterase inhibitory effects and partial 5-HT4R agonist activity, among which donecopride was selected for further in vivo evaluations in...

journal_title：Journal of medicinal chemistry

authors： Rochais C,Lecoutey C,Gaven F,Giannoni P,Hamidouche K,Hedou D,Dubost E,Genest D,Yahiaoui S,Freret T,Bouet V,Dauphin F,Sopkova de Oliveira Santos J,Ballandonne C,Corvaisier S,Malzert-Fréon A,Legay R,Boulouard M,Claeysen

更新日期：2015-04-09 00:00:00

abstract：:4,6,6a,7,8,12b-Hexahydroindolo[4,3-ab]phenanthridines ("benzergolines") was the first structural class of potent and selective dopamine D1 agonists lacking a catechol group. In order to determine the enantioselectivity of the 7-methyl derivative in the adenylate cyclase assay, its 5,5a-dihydro precursor was resolved a...

journal_title：Journal of medicinal chemistry

authors： Seiler MP,Floersheim P,Markstein R,Widmer A

更新日期：1993-04-16 00:00:00

abstract：:In order to define the role of the cholestane moiety in the anti-HIV agent cosalane, a series of cosalane analogs was synthesized in which the cholestane ring system was replaced by normal alkenyl and phosphodiester substituents having varied chain lengths and lipophilicities. The compounds containing simple alkenyl s...

journal_title：Journal of medicinal chemistry

authors： Keyes RF,Golebiewski WM,Cushman M

更新日期：1996-01-19 00:00:00

abstract：:Ruthenium(III) complexes are promising candidates for anticancer drugs, especially the clinically studied indazolium trans-[tetrachlorobis(1H-indazole)ruthenate(III)] (KP1019) and its analogue sodium trans-[tetrachlorobis(1H-indazole)ruthenate(III)] (NKP-1339). Several studies have emphasized the likely role of human ...

journal_title：Journal of medicinal chemistry

authors： Bijelic A,Theiner S,Keppler BK,Rompel A

更新日期：2016-06-23 00:00:00

abstract：:Dimeric DNA cross-linking compounds have emerged as important new antitumor agents. We report the synthesis and biochemical evaluation of a select set of dimeric mitomycins in which the two mitomycin units are tethered at either the mitomycin C(7) amino or the aziridine N(1a) positions. Significantly, mitomycin C (1) ...

journal_title：Journal of medicinal chemistry

authors： Na Y,Li VS,Nakanishi Y,Bastow KF,Kohn H

更新日期：2001-10-11 00:00:00

abstract：:Cationic amphiphiles derived from aminoglycosides (AGs) have been shown to exhibit enhanced antimicrobial activity. Through the attachment of hydrophobic residues such as linear alkyl chains on the AG backbone, interesting antibacterial and antifungal agents with a novel mechanism of action have been developed. Herein...

journal_title：Journal of medicinal chemistry

authors： Fosso MY,Shrestha SK,Green KD,Garneau-Tsodikova S

更新日期：2015-12-10 00:00:00

abstract：:Metoclopramide (1) is a gastric motility stimulant and a weak dopamine and 5-HT3 receptor antagonist. Conformational restriction of the (diethylamino)ethyl side chain of 1 in the form of the azabicyclic tropane gave 3, a very potent gastric motility stimulant and 5-HT3 receptor antagonist but devoid of significant dop...

journal_title：Journal of medicinal chemistry

authors： Bermudez J,Fake CS,Joiner GF,Joiner KA,King FD,Miner WD,Sanger GJ

更新日期：1990-07-01 00:00:00

abstract：:A series of 3-hydroxy-substituted analogues (3-7) of the mu selective opioid antagonist cyprodime has been synthesized in order to evaluate the role of a hydroxy group at C-3 concerning mu opioid antagonist selectivity. Compounds 3-7 were tested in bioassays (electrical stimulated mouse vas deferens preparation and my...

journal_title：Journal of medicinal chemistry

authors： Schmidhammer H,Jennewein HK,Krassnig R,Traynor JR,Patel D,Bell K,Froschauer G,Mattersberger K,Jachs-Ewinger C,Jura P

更新日期：1995-08-04 00:00:00

abstract：:The first nonpeptidic, noncovalent inhibitors of the cysteine protease cathepsin S (CatS) are described. Electronic database searching using the program DOCK generated a screening set of potential CatS inhibitors from which two lead structures were identified as promising starting points for a drug discovery effort. L...

journal_title：Journal of medicinal chemistry

authors： Thurmond RL,Beavers MP,Cai H,Meduna SP,Gustin DJ,Sun S,Almond HJ,Karlsson L,Edwards JP

更新日期：2004-09-23 00:00:00

abstract：:A novel series of diaminoanthraquinones was discovered initially as protein kinase C inhibitors with IC50s in the 50-100 microM range. They exhibited potent tumor cell growth inhibitory activity in vitro without cross resistance to adriamycin. Further evaluation of two of the most active compounds NSC 639365 (3) and N...

journal_title：Journal of medicinal chemistry

authors： Jiang JB,Johnson MG,Defauw JM,Beine TM,Ballas LM,Janzen WP,Loomis CR,Seldin J,Cofield D,Adams L

更新日期：1992-11-13 00:00:00

abstract：:New analogues of flavone-8-acetic acid were synthesized, bearing an alkoxy group in position 3 and different substituents on the benzene ring in position 2 of the flavone nucleus. The compounds were tested for direct cytotoxicity against four human tumor cell lines and for indirect antitumor effects by measuring their...

journal_title：Journal of medicinal chemistry

authors： Gobbi S,Rampa A,Bisi A,Belluti F,Piazzi L,Valenti P,Caputo A,Zampiron A,Carrara M

更新日期：2003-08-14 00:00:00

abstract：:The development of novel non-nucleoside inhibitors (NNRTIs) with activity against variants of HIV reverse transcriptase (RT) is crucial for overcoming treatment failure. The NNRTIs bind in an allosteric pocket in RT ∼10 Å away from the active site. Earlier analogues of the catechol diether compound series have picomol...

journal_title：Journal of medicinal chemistry

authors： Frey KM,Puleo DE,Spasov KA,Bollini M,Jorgensen WL,Anderson KS

更新日期：2015-03-26 00:00:00

abstract：:In an analogy to the potent catechol dopamine D1 agonists dihydrexidine (1) and dinapsoline (2), benzo rings were fused onto the structures of the dopamine D2-selective agonists quinelorane (3) and quinpirole (4). Each of the phenyl ring-substituted derivatives had significant affinity for D2 receptors, albeit somewha...

journal_title：Journal of medicinal chemistry

authors： Doll MK,Nichols DE,Kilts JD,Prioleau C,Lawler CP,Lewis MM,Mailman RB

更新日期：1999-03-11 00:00:00

abstract：:A three-dimensional structure of the complex of human renin and the scissile site P4 Pro to P1' Val of angiotensinogen was deduced in order to design potent human renin inhibitors rationally. On the basis of this structure, an orally potent human renin inhibitor (1a) was designed from the angiotensinogen transition st...

journal_title：Journal of medicinal chemistry

authors： Iizuka K,Kamijo T,Harada H,Akahane K,Kubota T,Umeyama H,Ishida T,Kiso Y

更新日期：1990-10-01 00:00:00

abstract：:The intense intrinsic fluorescence emissions from several clinically relevant camptothecin drugs have been exploited in order to study the structural basis of drug binding to human serum albumin. Both HPLC and time-resolved fluorescence spectroscopic methodologies were employed to characterize the associations of camp...

journal_title：Journal of medicinal chemistry

authors： Burke TG,Mi Z

更新日期：1994-01-07 00:00:00

abstract：:The discovery of inhibitors of bromodomain and extra terminal domain (BET) has achieved great progress, and at least seven inhibitors have progressed into clinical trials for the treatment of cancer or inflammatory diseases. Here, we describe the identification, optimization, and evaluation of benzo[cd]indol-2(1H)-one...

journal_title：Journal of medicinal chemistry

authors： Xue X,Zhang Y,Liu Z,Song M,Xing Y,Xiang Q,Wang Z,Tu Z,Zhou Y,Ding K,Xu Y

更新日期：2016-02-25 00:00:00

abstract：:Lipophilicity/bioavailibility of Mn(III) N-alkylpyridylporphyrin-based superoxide dismutase (SOD) mimics has a major impact on their in vivo ability to suppress oxidative stress. Meta isomers are less potent SOD mimics than ortho analogues but are 10-fold more lipophilic and more planar. Enhanced lipophilicity contrib...

journal_title：Journal of medicinal chemistry

authors： Kos I,Benov L,Spasojević I,Rebouças JS,Batinić-Haberle I

更新日期：2009-12-10 00:00:00

abstract：:In our effort to discover DPP-4 inhibitors with added benefits over currently commercially available DPP-4 inhibitors, MK-3102 (omarigliptin), was identified as a potent and selective dipeptidyl peptidase 4 (DPP-4) inhibitor with an excellent pharmacokinetic profile amenable for once-weekly human dosing and selected a...

journal_title：Journal of medicinal chemistry

authors： Biftu T,Sinha-Roy R,Chen P,Qian X,Feng D,Kuethe JT,Scapin G,Gao YD,Yan Y,Krueger D,Bak A,Eiermann G,He J,Cox J,Hicks J,Lyons K,He H,Salituro G,Tong S,Patel S,Doss G,Petrov A,Wu J,Xu SS,Sewall C,Zhang X,

更新日期：2014-04-24 00:00:00

abstract：:Synthetic routes were developed to access a variety of novel 1-aryl-2H,4H-tetrahydro-1,2,4-triazin-3-one analogs which were evaluated as 5-lipoxygenase (5-LO) inhibitors. The parent structure, 1-phenylperhydro-1,2,4-triazin-3-one (4), was found to be a selective inhibitor of 5-LO in broken cell, intact cell, and human...

journal_title：Journal of medicinal chemistry

authors： Bhatia PA,Brooks CD,Basha A,Ratajczyk JD,Gunn BP,Bouska JB,Lanni C,Young PR,Bell RL,Carter GW

更新日期：1996-09-27 00:00:00