Synthesis and evaluation of pharmacological activities of 3, 5-dialkyl 1, 4-dihydro-2,6-dimethyl-4-nitroimidazole-3, 5-pyridine dicarboxylates.

abstract：:A number of C-3 spirocyclic 2-benzazepine analogs of α-phenyl-N-tert-butyl nitrone (PBN) were synthesized and tested for their activity in protecting rat brain mitochondria and dopaminergic (DA) neurons against 6-hydroxydopamine (6-OHDA), a toxin inducing destruction of the DA nigro-striatal pathway in rodent models o...

journal_title：Archiv der Pharmazie

authors： Soto-Otero R,Méndez-Álvarez E,Sánchez-Iglesias S,Labandeira-García JL,Rodríguez-Pallares J,Zubkov FI,Zaytsev VP,Voskressensky LG,Varlamov AV,de Candia M,Fiorella F,Altomare C

更新日期：2012-08-01 00:00:00

abstract：:A novel approach to the pyridoacridine ring system of the ascididemin-type marine alkaloids is presented. This approach allows for the introduction of the ring A of the alkaloids by using a simple aromatic aldehyde building block. The viability of this approach is demonstrated with the synthesis of AK37, a bioactive d...

journal_title：Archiv der Pharmazie

authors： Raeder S,Bracher F

更新日期：2012-10-01 00:00:00

abstract：:The histone deacetylase (HDAC) enzyme plays an important role in gene transcription. Inhibitors of histone deacetylases induce cell differentiation and suppress cell proliferation in tumor cells. Hydroxamates with rigid linker have displayed better inhibition profiles than those with linear and flexible aliphatic link...

journal_title：Archiv der Pharmazie

authors： Chakrabarty S,Jasmine,Bhadaliya C,Sinha BN,Mahesh A,Bai H,Blond SY,Jayaprakash V

更新日期：2010-03-01 00:00:00

abstract：:The shock-induced serine protease HtrA1 is a potential regulator of human placenta development during pregnancy. The protein contains a functional PDZ domain that has been solved in complex with a phage display-derived heptapeptide: Asp-6 Ser-5 Arg-4 Ile-3 Trp-2 Trp-1 Val0 . In this study, a rationally designed haloge...

journal_title：Archiv der Pharmazie

authors： Dou SF,Liu H,Cao TM,Wen QL,Li J,Shao QC

更新日期：2016-04-01 00:00:00

abstract：:A new series of 1,4-disubstituted phthalazinylpiperazine derivatives 7a-f, 12a-f and 20a-f were designed and synthesized in order to develop potent and selective antitumor agents. The target compounds were screened for their cytotoxic activities against A549, HT-29 and MDA-MB-231 cancer cell lines in vitro. Among them...

journal_title：Archiv der Pharmazie

authors： Liu Y,Zhang S,Li Y,Wang J,Song Y,Gong P

更新日期：2012-04-01 00:00:00

abstract：:We report in this work the synthesis, cytotoxicity, and antimicrobial activity of ([1,2,4]triazolo[1,5-c]quinazolin-2-ylthio)carboxylic acid amides 4-7 in connection with our previous research in the preparation of triazoloquinazoline derivatives. Due to simplicity, general availability of starting materials, and high...

journal_title：Archiv der Pharmazie

authors： Antipenko LN,Karpenko AV,Kovalenko SI,Katsev AM,Komarovska-Porokhnyavets EZ,Novikov VP

更新日期：2009-11-01 00:00:00

abstract：:Poly(vinyl alcohol) was crosslinked with ethylene glycol diglycidyl ether to obtain hydrogel-forming polymers. The polymers were also substituted with oleoyl chloride, providing hydrogels with weak solubility. These new polymeric materials were evaluated for the formulation of sustained drug delivery systems. Vancomyc...

journal_title：Archiv der Pharmazie

authors： Orienti I,Treré R,Luppi B,Bigucci F,Cerchiara T,Zuccari G,Zecchi V

更新日期：2002-03-01 00:00:00

abstract：:Enantiomerically pure 1, 2-diamino-1-(4-fluorophenyl)propanes were synthesized by stereospecific and stereoselective procedures by use of the (1R, 2S)- and (1S, 2R)-2-amino-1-(4-fluorophenyl)propanols (12a) as intermediates. The enantiomeric purity was determined by (1)H NMR spectroscopy after conversion of the propan...

journal_title：Archiv der Pharmazie

authors： Dufrasne F,Gelbcke M,Schnurr B,Gust R

更新日期：2002-05-01 00:00:00

abstract：:The butadiene derivatives 10a-c react with the oxa-bicyclooctanone 9 to give the cyclohexene annulated oxatropanes 11a-c. The acetoxyderivatives 11b and 11c can be transformed into the cyclohexadiene or benzene derivatives 13 and 12, respectively. 11a reacts with HN3 to afford the tricyclic oxazepanone 14 which can be...

journal_title：Archiv der Pharmazie

authors： Eiden F,Kainz A,Gebhard R

更新日期：1992-02-01 00:00:00

abstract：:A series of cis-restricted 4,5-diaryl-3-aminopyrazole derivatives were synthesized and tested for their cytotoxic activity in vitro against five human cancer cell lines (K562, ECA-109, A549, SMMC-7721, and PC-3). Compounds 5a, 5b, 5d, and 6b showed potent cytotoxicity against all tested cell lines. Primary mechanism r...

journal_title：Archiv der Pharmazie

authors： Liu T,Cui R,Chen J,Zhang J,He Q,Yang B,Hu Y

更新日期：2011-05-01 00:00:00

abstract：:In this study, the synthesis of a new series of 3,6-disubstituted-7H-1,2,4-triazolo[3,4-b][1,3,4]thiadiazine 1a-4c compounds derived from 4-amino-3-substituted-1,2,4-triazole-5-thiones 1-4 is described. All of the synthesized compounds were screened for their possible analgesic / anti-inflammatory, antioxidant activit...

journal_title：Archiv der Pharmazie

authors： Tozkoparan B,Aytaç SP,Aktay G

更新日期：2009-05-01 00:00:00

abstract：:The new chemical entities febuxostat and topiroxostat have been approved by the US Food and Drug Administration, opening new avenues for exploiting different heterocycles other than purines as xanthine oxidase (XO) inhibitors. A different series of substituted 2-benzamido-4-methylthiazole-5-carboxylic acid derivatives...

journal_title：Archiv der Pharmazie

authors： Ali MR,Kumar S,Afzal O,Shalmali N,Ali W,Sharma M,Bawa S

更新日期：2017-02-01 00:00:00

abstract：:A series of 5-amino-3-methylisoxazole-4-carboxylic acid amides has been prepared by condensation of 5-amino-3-methylisoxazole-4-carboxylic acid with ethyl chloroformate. The resulting mixed anhydride undergoes condensation with appropriate phenylamides to form the corresponding amides 6-16. The compounds obtained were...

journal_title：Archiv der Pharmazie

authors： Ryng S,Zimecki M,Sonnenberg Z,Mokrosz MJ

更新日期：1999-05-01 00:00:00

abstract：:The aim of this study was to develop a novel nanosize drug candidate for cancer therapy. For this purpose, (S)-methyl 2-[(7-hydroxy-2-oxo-4-phenyl-2H-chromen-8-yl)methyleneamino]-3-(1H-indol-3-yl)propanoate (ND3) was synthesized by the condensation reaction of 8-formyl-7-hydroxy-4-phenylcoumarin with l-tryptophan meth...

journal_title：Archiv der Pharmazie

authors： Budama-Kilinc Y,Kecel-Gunduz S,Ozdemir B,Bicak B,Akman G,Arvas B,Aydogan F,Yolacan C

更新日期：2020-11-01 00:00:00

abstract：:A range of novel pyridine-2,4,6-tricarbohydrazide thiourea compounds (4a-i) were synthesized in good to excellent yields (63-92%). The enzyme inhibitory potentials of these compounds were investigated against α- and β-glucosidases because these enzymes play a crucial role in treating type-2 diabetes mellitus (T2DM). A...

journal_title：Archiv der Pharmazie

authors： Rehman TU,Riaz S,Khan IU,Ashraf M,Bajda M,Gawalska A,Yar M

更新日期：2018-01-01 00:00:00

abstract：:N-Methoxyquinolinium salts 3 are prepared as potential cardiotonic agents by alkylation of the corresponding N-oxides 2 synthesized by two different methods. 1. Oxidation of some quinoline derivatives 1 using 30% H2O2 or 3-chloroperbenzoic acid. 2. Nitration of the quinoline-N-oxides 2a, 2c, and 2m. Preparation of 2h ...

journal_title：Archiv der Pharmazie

authors： Bünz C,Heber D,Ravens U

更新日期：1993-04-01 00:00:00

abstract：:Both 2-nitrooxymethyl-4-phenyl- (2) and 4-nitrooxymethylphenyl-1,4-dihydropyridines (3) represent new combinations of two different vasodilating structures. 2 could not be isolated due to its spontaneous lactonization. Derivatives of 3 were obtained via Hantzsch synthesis using nitrooxymethylated benzaldehydes. The in...

journal_title：Archiv der Pharmazie

authors： Lehmann J,Kahlich R,Meyer zum Gottesberge C,Fricke U

更新日期：1997-08-01 00:00:00

abstract：:Alzheimer's disease (AD) is a neurodegenerative disorder characterized by dementia, memory impairment, cognitive dysfunction, and speech impairment. The utility of cholinergic replacement by acetylcholinesterase (AChE) inhibitors in AD treatment has been well documented so far. Recently, studies have also evidenced th...

journal_title：Archiv der Pharmazie

authors： Kalaycı M,Türkeş C,Arslan M,Demir Y,Beydemir Ş

更新日期：2020-11-06 00:00:00

abstract：:A series of hydroxy-substituted chalcone oxime derivatives were synthesized. These compounds were then evaluated for their inhibitory activities on tyrosinase and melanogenesis in murine B16F10 melanoma cells. The structures of the synthesized compounds were confirmed by (1) H NMR, (13) C NMR, FTIR, and HRMS. Two of t...

journal_title：Archiv der Pharmazie

authors： Radhakrishnan SK,Shimmon RG,Conn C,Baker AT

更新日期：2016-01-01 00:00:00

abstract：:Cycloaddition reactions of the nitrilimines 4-6 with N-arylmaleimides 7 and acrylamide (11) yield the pyrrolopyrazole derivatives 8-10 and 2-pyrazolines 12, respectively, in excellent yield. The regioselectivity and biological activities of some of the new compounds were investigated. ...

journal_title：Archiv der Pharmazie

authors： Ead HA,Hassaneen HM,Abdallah MA,Mousa HA

更新日期：1991-01-01 00:00:00

abstract：:In this study, we have explored the prevention of gastric side effects such as gastric lesions and bleeding while maintaining the high analgesic and anti-inflammatory activities by the derivatization of the carboxylate moiety into amides in [5-chloro-6-(2-chloro/fluorobenzoyl)-2-benzoxazolinone-3-yl]acetic acids. We h...

journal_title：Archiv der Pharmazie

authors： Banoglu E,Okçelik B,Kupeli E,Unlü S,Yeşilada E,Amat M,Caturla JF,Sahin MF

更新日期：2003-07-01 00:00:00

abstract：:A series of novel N-(4,5-dihydroimidazol-2-yl)-1,3-dihydrobenzimidazole derivatives 2a-d, 3a-d and 4a-p were prepared and their structure was determined by IR and NMR spectroscopic data as well as X-ray analysis of carbonitrile 2a. The compounds were studied as potential inhibitors of the human blood platelet aggregat...

journal_title：Archiv der Pharmazie

authors： Saczewski F,Debowski T,Petrusewicz J,Trzeciak H,Krzystanek E,Krzystanek M,Gdaniec M,Nowakowska E

更新日期：1998-07-01 00:00:00

abstract：:The pyrrolidino enaminones, with the carboxylic acid chain fixed at the nitrogen, inhibit cyclooxygenase more potently or selectively than 5-lipoxygenase. According to the structure-activity relationships discussed the potency depends significantly on the chain length of the carboxylic acid, the substitution pattern o...

journal_title：Archiv der Pharmazie

authors： Dannhardt G,Bauer A,Nowe U

更新日期：1997-03-01 00:00:00

abstract：:A facile synthesis of a group of novel thiazole-pyrazolone hybrids and their investigation for angiotensin-converting enzyme (ACE) inhibition are reported in this study. These compounds were synthesized using a well-known approach, based on the condensation of ethyl acetoacetate with thiazolylhydrazines, and character...

journal_title：Archiv der Pharmazie

authors： You H,Su X,Su G

更新日期：2020-12-01 00:00:00

abstract：:Gypsogenin (1) was obtained by acidic hydrolysis from its saponin. While the parent compound 1 acted as a selective inhibitor for butyrylcholinesterase (from equus) possessing a moderate mixed-type inhibition of the enzyme, Ki values as low as 2.67 ± 0.59 μM were determined for (3β,4α) 3-O-acetyl-olean-12-ene-23,28-di...

journal_title：Archiv der Pharmazie

authors： Heller L,Schwarz S,Weber BA,Csuk R

更新日期：2014-10-01 00:00:00

abstract：:A series of 6-chloro-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 7-chloro-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 6-bromo-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 6,8-dibromo-3-(4-alkylphenyl)-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones, 6-chloro-3-(4-alkylphenyl)-2H-1,3-ben...

journal_title：Archiv der Pharmazie

authors： Waisser K,Matyk J,Kunes J,Dolezal R,Kaustová J,Dahse HM

更新日期：2008-12-01 00:00:00

abstract：:The reaction of ethyl 4-(benzofuran-2-yl)-2,4-dioxobutanoate 2 with two moles of hydrazine hydrate afforded 5-(benzofuran-2-yl)-1H-pyrazole-3-carbohydrazide 4a, while its reaction with equimolar amount of phenylhydrazine gave ester 3b which then converted to 5-(benzofuran-2-yl)-1-phenyl-1H-pyrazole-3-carbohydrazide 4b...

journal_title：Archiv der Pharmazie

authors： Abdel-Wahab BF,Abdel-Aziz HA,Ahmed EM

更新日期：2008-11-01 00:00:00

abstract：:The synthesis and biological evaluation of oximes of 2-aryl-6-methoxy-3,4-dihydronaphthalene (7a, 7b, 14a, 14b) as nonsteroidal inhibitors of 17 alpha-hydroxylase-C17,20-lyase (P450 17, CYP 17) is described. The target compounds were synthesized and identified by 1H NMR and MS. The preparation of the key intermediates...

journal_title：Archiv der Pharmazie

authors： Zhuang Y,Hartmann RW

更新日期：1998-01-01 00:00:00

abstract：:New condensed derivatives of anpirtoline, in which the pyridine ring is replaced with quinoline, quinazoline, 7-chloroquinoline, and 7-chloroquinazoline nuclei, have been synthesized. Their receptor binding profiles (5-HT1A, 5-HT1B) and analgesic activity (hot plate, acetic acid induced writhing) have been studied. Th...

journal_title：Archiv der Pharmazie

authors： Rádl S,Hezky P,Proska J,Krejcí I

更新日期：2000-11-01 00:00:00

abstract：:Novel sulfur-containing glutethimide derivatives, substituted with either thiol or methylsulfide groups in the ortho/para positions of the aromatic ring, were synthesized and tested for both human placental aromatase and bovine adrenocortical desmolase inhibitory activities. The synthesis was achieved by the chlorosul...

journal_title：Archiv der Pharmazie

authors： Bednarski PJ,Hartmann RW

更新日期：1993-07-01 00:00:00