Rhodopsin: a structural primer for G-protein coupled receptors.

abstract：:Based upon molecular modeling, the pharmacophore of potential inhibitors of p38 MAPK (mitogen-activated protein kinases) is discussed and the predictive binding affinities are calculated. Syntheses of original diarylimidazo[2,1-a]phthalazines obtained by Suzuki coupling are described. ...

journal_title：Archiv der Pharmazie

authors： Mavel S,Thery I,Gueiffier A

更新日期：2002-01-01 00:00:00

abstract：:Previously, we demonstrated that certain heterocyclic compounds derived from 3-substituted-1,2,4-triazole-5-thiones had promising analgesic/anti-inflammatory activities together with low ulcerogenic properties. Therefore, we sought to design and synthesize new derivatives of triazol-5-thiones-fused heterocycles. In th...

journal_title：Archiv der Pharmazie

authors： Sert-Ozgur S,Tel BC,Somuncuoglu EI,Kazkayasi I,Ertan M,Tozkoparan B

更新日期：2017-07-01 00:00:00

abstract：:A series of 5-(o-tolyl)-1H-tetrazole derivatives were synthesized and evaluated for their anticonvulsant activities. 1-(2-Methylbenzyl)-5-(o-tolyl)-1H-tetrazole (3h) showed important anticonvulsant activity against the MES-induced seizures, as well as lower neurotoxicity with an ED50 value of 12.7 mg/kg and a TD50 val...

journal_title：Archiv der Pharmazie

authors： Dong S,Wang T,Wang H,Qian K,Zhang Z,Zuo Y,Luo G,Jin Y,Wang Z

更新日期：2017-05-01 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：:Biphalin [(Tyr-D-Ala-Gly-Phe-NH-)2 ] is an octapeptide with mixed μ/δ opioid activity. Its structure is based on two identical enkephalin-like portions linked "tail-to-tail" by a hydrazine bridge. This study presents the synthesis and in vitro and in vivo bioassays of two biphalin analogs that do not present the toxic...

journal_title：Archiv der Pharmazie

authors： Costante R,Pinnen F,Stefanucci A,Mollica A

更新日期：2014-05-01 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：:A series of novel N(1)-[5-(4-substituted phenyl)-1,3,4-thiadiazol-2-yl]-N(4)-(4-substituted benzaldehyde)-semicarbazone 1-12, N(1)-[5-(4-substituted phenyl)-1,3,4-thiadiazol-2-yl]-N(4)-[1-(4-substituted phenyl)ethanone]-semicarbazone 13-16, and N(1)-[5-(4-substituted phenyl)-1,3,4-thiadiazol-2-yl]-N(4)-[1-(4-substitut...

journal_title：Archiv der Pharmazie

authors： Rajak H,Deshmukh R,Aggarwal N,Kashaw S,Kharya MD,Mishra P

更新日期：2009-08-01 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：:Synthesis and biological assays of a series of 2-phenylpteridine derivatives are described to compare their affinities to adenosine receptors with those of the corresponding adenines, purposely prepared, and 8-azaadenines previously described. This study demonstrates that the enlargement of the five-membered ring of t...

journal_title：Archiv der Pharmazie

authors： Giorgi I,Biagi G,Livi O,Leonardi M,Scartoni V,Pietra D

更新日期：2007-02-01 00:00:00

abstract：:Several 5-alkoxy-tetrazolo[1,5-a]quinazoline derivatives have been synthesized by reacting 2,4-dichloroquinazoline with various phenols or aliphatic alcohol and then with sodium azide. The structures of these compounds have been confirmed by IR, MS,( 1)H-NMR, and elementary analysis. Anticonvulsant activities were eva...

journal_title：Archiv der Pharmazie

authors： Wang HJ,Wei CX,Deng XQ,Li FL,Quan ZS

更新日期：2009-11-01 00:00:00

abstract：:The synthesis of two series of derivatives containing the quinazolinone-4 moiety is described. 3-Amino-2(1H)-thioxo-4(3H)-quinazolinone (1) was subjected to reactions with halogenoketones and halogenoaldehydes, leading to the production of the corresponding ketones, aldehydes, Schiff bases, and 6-oxo-1,4,5-thiadiazin[...

journal_title：Archiv der Pharmazie

authors： Nawrocka W,Zimecki M

更新日期：1997-12-01 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：:Despite cellular complexity, a limited number of small molecules act as intracellular second messengers. Protein kinase A (PKA) is the main transducer of the information carried by cyclic adenosine monophosphate (cAMP). Recently, cellular imaging has achieved major technical advancements, although the search for more ...

journal_title：Archiv der Pharmazie

authors： Ribaudo G,Zagotto G,Ongaro A,Ricci A,Caretta A,Mucignat-Caretta C

更新日期：2020-04-01 00:00:00

abstract：:The activity of 72 1,4-dihydropyridines as calcium channel antagonists was examined. The simplified molecular input-line entry system (SMILES) was used as representation of the molecular structure of the calcium channel antagonists. Quantitative structure-activity relationships (QSARs) were developed using CORAL softw...

journal_title：Archiv der Pharmazie

authors： Veselinović AM,Milosavljević JB,Toropov AA,Nikolić GM

更新日期：2013-02-01 00:00:00

abstract：:Derivatives of the recently described potent neuroprotective 7-O-cinnamoylsilibinin ester were prepared: its hemisuccinate to improve water solubility and the dehydrosilibinin ester that was shown to form in assay media to investigate its role in overall neuroprotective effects. 7-O-Cinnamoyl-2,3-dehydrosilibinin is l...

journal_title：Archiv der Pharmazie

authors： Schramm S,Gunesch S,Lang F,Saedtler M,Meinel L,Högger P,Decker M

更新日期：2018-11-01 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：:A series of new Mannich bases of N-[(4-arylpiperazin-1-yl)-methyl]-3-(chlorophenyl)-pyrrolidine-2,5-diones 10-23 have been synthesized and evaluated for their anticonvulsant activity in maximum electroshock (MES) and subcutaneous pentylenetetrazole (scPTZ) seizure threshold tests. Their neurotoxicity was determined us...

journal_title：Archiv der Pharmazie

authors： Obniska J,Kopytko M,Zagórska A,Chlebek I,Kamiński K

更新日期：2010-06-01 00:00:00

abstract：:A series of new positive inotropic agents was synthesized with the aim of combining the pharmacophores of the imidazolone-type phosphodiesterase (PDE) inhibitor enoximone and guanidine-type histamine H2 receptor agonists such as arpromidine. All compounds are para-substituted 4-benzoyl-5-alkyl-2-imidazolones. H2 agoni...

journal_title：Archiv der Pharmazie

authors： Glass D,Buschauer A,Tenor H,Bartel S,Will-Shahab L,Krause EG

更新日期：1995-10-01 00:00:00

abstract：:A novel series of N-(2-(piperazin-1-yl)phenyl)aryl carboxamide derivatives were simply synthesized by Ugi-multicomponent reaction as β-secretase (BACE1) inhibitors. The BACE1 inhibitory activity of the synthesized compounds was examined using a Forester resonance energy transfer (FRET)-based assay. Among the tested co...

journal_title：Archiv der Pharmazie

authors： Edraki N,Firuzi O,Fatahi Y,Mahdavi M,Asadi M,Emami S,Divsalar K,Miri R,Iraji A,Khoshneviszadeh M,Firoozpour L,Shafiee A,Foroumadi A

更新日期：2015-05-01 00:00:00

abstract：:A rapid and efficient one-pot condensation reaction of long-chain alkyl and alkenyl acid hydrazides and nitriles was carried out to afford 3,5-disubstituted-1H-1,2,4-triazoles. The compounds 5a-o were screened for in-vitro antibacterial activity against the representative panel of two Gram-positive and two Gram-negati...

journal_title：Archiv der Pharmazie

authors： Sharma S,Gangal S,Rauf A,Zahin M

更新日期：2008-11-01 00:00:00

abstract：:The 5-desoxy analogue of BW245C, imidazolidin-2-one 3, has been synthesized by reduction of the N-benzyl hydantoin derivative 6. Compound 3 was found to be approximately equipotent with BW245C as an inhibitor of platelet aggregation and this result indicates that the 5-keto group of BW245C is not essential for platele...

journal_title：Archiv der Pharmazie

authors： Barraclough P,Jackson WP,Harris CJ

更新日期：1991-08-01 00:00:00

abstract：:Albumin binding for the enantiomers of four closely related N-methyl-5-phenyl-5-alkyl-barbiturates 1-4 was investigated for three different mammalian species by means of equilibrium dialysis. Lipid solubility (n-heptane/phosphate buffer distribution coefficient) increased stepwise by a factor of 56 from 1 to 4. Bovine...

journal_title：Archiv der Pharmazie

authors： Büch HP,Krug R,Knabe J

更新日期：1996-08-01 00:00:00

abstract：:In continuation of our effort aimed towards the development of novel aldose reductase inhibitors, several phenylacetic acids bearing an alkoxy substituent in position 3 or 4, respectively, were prepared and screened. The latter represent formal ring opening products of the cyclohexylmethyloxyphenylacetic acids IIa and...

journal_title：Archiv der Pharmazie

authors： Rakowitz D,Gmeiner A,Matuszczak B

更新日期：2006-10-01 00:00:00

abstract：:The synthesis of 4-Methoxyphenyl-[5-methyl-6-(2-(4-morpholinyl)-ethyl)-6H-thieno[2,3- b]pyrrol-4-yl)phenylmethanone (1), a thiophene analogue of the analgesic Pravadoline B, is described. Starting with the acetylprotected thienylhydrazine 2b compound 7 was obtained in a Fischer-analogue cyclication in two steps. Use o...

journal_title：Archiv der Pharmazie

authors： Binder D,Schnait H,Rovenszky F,Enzenhofer R,Stroissnig H

更新日期：1991-04-01 00:00:00

abstract：:A series of 1H,3H-thiazolo[3,4-a]benzimidazoles were synthesized and tested for their in vitro antitumour activity against 60 human tumour cell lines. Some derivatives exhibited both tumour growth inhibition activity and cellular selectivity. In particular, compound 8c, the most active of the series, was very active t...

journal_title：Archiv der Pharmazie

authors： Chimirri A,Monforte P,Musumeci L,Rao A,Zappalà M,Monforte AM

更新日期：2001-06-01 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：:New phosphoramide mustards (6-8) have been prepared from the antibiotics 2 and 3, and from 5. The mixture of cyclophosphamides could be separated by preparative layer and column chromatography. The assignments of configuration to the isomeric phosphoramidates was based on the magnetic anisotropy of the P = O bond. The...

journal_title：Archiv der Pharmazie

authors： Csorvási A,Kövér KE,Menyhárt MM,Sztaricskai F,Dobrynin YV,Nikolaeva TG

更新日期：1998-09-01 00:00:00

abstract：:A series of 1-¿omega-(4-aryl-1-piperazinyl)alkyl]indolin-2(1H)-one derivatives 2-14 was synthesized in order to obtain ligands with a dual 5-HT1A/5-HT2A activity. The majority of those compounds (2-5, 7, 10-13) exhibited a high 5-HT1A (Ki = 2-44 nM) and/or 5-HT2A affinity (Ki = 51 and 39 for 5 and 7, respectively). In...

journal_title：Archiv der Pharmazie

authors： Mokrosz MJ,Duszyńska B,Misztal S,Kłodzińska A,Tatarczyńska E,Chojnacka-Wójcik E,Dziedzicka-Wasylewska M

更新日期：1998-10-01 00:00:00

abstract：:Pyrrolo[3,4-c]-beta-carbolinedione dimers 5-14 were synthesized from furo[3,4-c]-beta-carbolinediones and diamines by solvent-free TaCl5/silica catalyzed reaction under microwave irradiation. The inhibitory property of these target compounds, the starting materials 2, 31, 32, and the N-alkylated pyrrolo[3,4-c]-beta-ca...

journal_title：Archiv der Pharmazie

authors： Mahboobi S,Eluwa S,Kumar S,Koller M,Störl K

更新日期：1999-07-01 00:00:00

abstract：:The synthesis and the pharmacological activity of a series of 1-aroyl derivatives of kynurenic acid methyl ester (4-oxo-quinolin-2-carboxy methyl (KYNA) esters), structurally related to NSAID indomethacin are described. The derivatives were screened in vivo for anti-inflammatory and analgesic activities. Most of the c...

journal_title：Archiv der Pharmazie

authors： Mazzoni O,Esposito G,Diurno MV,Brancaccio D,Carotenuto A,Grieco P,Novellino E,Filippelli W

更新日期：2010-10-01 00:00:00