New NO donors with antithrombotic and vasodilating activities, part 25. Hydroxylamine derivatives.

abstract：:A series of dialkyl, dicycloalkyl, and diaryl ester analogues of nifedipine, in which the ortho-nitro phenyl group at position 4 is replaced by the 4-(5)-chloro-2-ethyl-5-(4)-imidazolyl substituent, were synthesized and evaluated as calcium channel antagonists using the high K+ contraction of guinea pig ileal longitud...

journal_title：Archiv der Pharmazie

authors： Davood A,Mansouri N,Rerza Dehpour A,Shafaroudi H,Alipour E,Shafiee A

更新日期：2006-06-01 00:00:00

abstract：:New series of perimidine derivatives and fused perimidines were derived from the reaction of ketene aminals 1 and 2 with diazotized anilines or hydrazonoyl chlorides. In addition, 8,10-disubstituted-[1,2,4]triazolo[4,3-a]perimidines (20a-m) were prepared through the reaction of perimidine-2-thione (15) with hydrazonoy...

journal_title：Archiv der Pharmazie

authors： Farghaly TA,Mahmoud HK

更新日期：2013-05-01 00:00:00

abstract：:A series of 7, 7'-alkylene-bridged dimers(7a-e) of the benz [d]indolo[3, 2-f]azecine derivative LE300 was synthesized. Affinity and functional activity at dopamine D(1) and D(2) receptors were estimated by radioligand binding and a functional Ca(2+) assay. All the new bivalent ligands showed significant binding affini...

journal_title：Archiv der Pharmazie

authors： Abadi AH,Lankow S,Hoefgen B,Decker M,Kassack MU,Lehmann J

更新日期：2002-08-01 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 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：: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 combined effects of amino acid antagonists with proven or potential inhibitory activities on aminoacyl-tRNA synthetases were investigated on the murine leukemic cell line P388 D1. As the best result a summation of the antiproliferative effects was observed. Combinations with established cytostatic agents like plat...

journal_title：Archiv der Pharmazie

authors： Laske R,Schönenberger H,Holler E

更新日期：1991-03-01 00:00:00

abstract：:A novel series of hybrid molecules 4a-i and 5a-i were prepared by condensation of 4-(trimethylsilylethynyl)benzaldehyde 1 with substituted o-phenylenediamines. These in turn were reacted with 2-(azidomethoxy)ethyl acetate in a Cu alkyne-azide cycloaddition (CuAAC) to generate the 1,2,3-triazole pharmacophore under mic...

journal_title：Archiv der Pharmazie

authors： Ouahrouch A,Ighachane H,Taourirte M,Engels JW,Sedra MH,Lazrek HB

更新日期：2014-10-01 00:00:00

abstract：:The 5-HT1A and 5-HT2 receptor affinity of a set of 44 N-alkylated 1-aryl-piperazines and their analogs has been analyzed: the n-hexyl derivatives were the most potent and the most selective 5-HT1A ligands of all the investigated N-alkyl homologues. The alkyl chain may stabilize the 5-HT1A receptor-ligand complex by hy...

journal_title：Archiv der Pharmazie

authors： Mokrosz JL,Mokrosz MJ,Charakchieva-Minol S,Paluchowska MH,Bojarski AJ,Duszyńska B

更新日期：1995-02-01 00:00:00

abstract：:We describe the synthesis and positive inotropic evaluation of a series of 2-(4-substitutedbenzyl-1,4-diazepan-1-yl)-N-(4,5-dihydro-1-phenyl-[1,2,4]triazolo[4,3-a]quinolin-7-yl)acetamides by measuring left atrial stroke volume in preparations of isolated rabbit-heart. Several compounds were developed from, and showed ...

journal_title：Archiv der Pharmazie

authors： Jiang SM,Ye BJ,Liu XK,Zhang TY,Cui X,Piao HR

更新日期：2010-11-01 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：:Two series of amino-1,4-benzoquinones (AQ1-18) based on the structural analogs of plastoquinones were synthesized and the structure-activity relationship against chronic myelogenous leukemia activity was examined. All of the synthesized compounds were tested for their cytotoxic effects on different leukemic cell lines...

journal_title：Archiv der Pharmazie

authors： Ciftci HI,Bayrak N,Yıldırım H,Yıldız M,Radwan MO,Otsuka M,Fujita M,Tuyun AF

更新日期：2019-12-01 00:00:00

abstract：:Herein, we report the synthesis of novel tetrahydro-β-carbolines that induce cell death via the autophagic pathway. Five of the new compounds induced cell death in a panel of patient-derived human metastatic melanoma cells. The autophagic pathway was confirmed using LC3 autophagosome markers; the involvement of ATG7 a...

journal_title：Archiv der Pharmazie

authors： Ahmed NS,Elgendy M,Laufer S,Abadi AH

更新日期：2014-06-01 00:00:00

abstract：:The precise definition of the structural requirements for effective topoisomerase II poisoning by drug molecules is still an elusive issue. In the attempt to better define a pharmacophoric pattern, we prepared several conjugates combining the chemical features of two well-known topoisomerase II poisons, amsacrine and ...

journal_title：Archiv der Pharmazie

authors： Zagotto G,Gianoncelli A,Sissi C,Marzano C,Gandin V,Pasquale R,Capranico G,Ribaudo G,Palumbo M

更新日期：2014-10-01 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：:Various aryl 1-pyrryl sulfones were synthesized and tested as inhibitors of HIV-1. 2-Nitrophenyl-2-ethoxycarbonyl-1-pyrryl sulfone, the most active among test derivatives, was selected as lead compound of the aryl pyrryl sulfone series. The in vitro anti-HIV-1 activity and cytotoxicity of 41 compounds is reported. Som...

journal_title：Archiv der Pharmazie

authors： Artico M,Silvestri R,Stefancich G,Massa S,Pagnozzi E,Musu D,Scintu F,Pinna E,Tinti E,La Colla P

更新日期：1995-03-01 00:00:00

abstract：:A general procedure for the preparation of 1,2,3-triazole analogs of nucleosides from diethyl 2-azidoethoxymethyl- and 2-azidoethoxyethylphosphonates was elaborated. The application of microwave irradiation shortened the reaction time to 10 min in comparison to ca. 48 h when 1,3-dipolar cycloadditions were performed u...

journal_title：Archiv der Pharmazie

authors： Głowacka IE,Balzarini J,Wróblewski AE

更新日期：2013-04-01 00:00:00

abstract：:Series of N-(4-substitutedphenyl)-4-(1-methyl (or 1,2-dimethyl)-4-oxo-1,2-dihydroquinazolin-3(4H)-yl)-alkanamides (5a-j) and 4-chloro-N'-((1-methyl (or 1,2-dimethyl)-4-oxo-1,2-dihydroquinazolin-3(4H)-yl)-alkaloyl)benzohydrazides (6a-f) were designed based on the previously reported essential structural features for an...

journal_title：Archiv der Pharmazie

authors： Noureldin NA,Kothayer H,Lashine EM,Baraka MM,El-Eraky W,Awdan SA

更新日期：2017-02-01 00:00:00

abstract：:Increases in the intracellular levels of glutathione (GSH) in cancer cells have been implicated in the development of acquired resistance to platinum antitumor agents. On the other hand, little information is available on the relationships between intracellular GSH levels in non-treated cancer cells and their response...

journal_title：Archiv der Pharmazie

authors： Boubakari,Bracht K,Neumann C,Grünert R,Bednarski PJ

更新日期：2004-12-01 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：:Rapamycin is an mTOR allosteric inhibitor with multiple functions such as immunosuppressive, anticancer, and lifespan prolonging activities. Its C-43 semi-synthetic derivatives temsirolimus and everolimus have been used as mTOR targeting anticancer drugs in the clinic. Following our previous research on antitumor rapa...

journal_title：Archiv der Pharmazie

authors： Huang Q,Xie L,Chen X,Yu H,Lv Y,Huang X,Ying J,Zheng C,Cheng Y,Huang J

更新日期：2018-11-01 00:00:00

abstract：:The objective of this work was to develop a liver-specific antihepato carcinoma agent. A series of 5-fluorouracil / cholic acid conjugates (5-FU-cholic acid conjugates) were prepared and tested for their chemical characteristics and bio-distribution properties. The in-vitro stability trial showed 5-FU-cholic acid conj...

journal_title：Archiv der Pharmazie

authors： Qian S,Wu JB,Wu XC,Li J,Wu Y

更新日期：2009-09-01 00:00:00

abstract：:Structural feature analysis of chlorogenic acid derivatives made up of varying lengths of alkyl groups as α-glucosidases inhibitors were performed by QSAR techniques. The statistically significant models derived from the study were validated by leave one out, Y-randomization and test set methods. The predictive capaci...

journal_title：Archiv der Pharmazie

authors： Narayana Moorthy NS,Ramos MJ,Fernandes PA

更新日期：2012-04-01 00:00:00

abstract：:3-Ethyl 5-methyl 1,4-dihydro-2-[(2-hydroxyethoxy) methyl]-6-methyl-4-(2,3-dichlorophenyl)-3,5-pyridinedicarboxylate (13), a bioisostere of amlodipine, was prepared by the reaction of ethyl 4-(2-hydroxyethoxy)acetoacetate (11) with methyl 2-(2,3-dichlorobenzylidene)acetoacetate (12) and NH4OAc. Compound 13 was elaborat...

journal_title：Archiv der Pharmazie

authors： Yiu SH,Knaus EE

更新日期：1999-10-01 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 complex of lanthanum (III) was synthesized reacting the respective inorganic salt with 5-aminoorotic acid in amounts equal to the metal:ligand molar ratio of 1:3. The complex was prepared by adding an aqueous solution of lanthanum (III) nitrate to an aqueous solution of the ligand, subsequently raising the pH of t...

journal_title：Archiv der Pharmazie

authors： Kostova I,Rastogi VK,Kiefer W,Kostovski A

更新日期：2006-11-01 00:00:00

abstract：:The diffusion of a series of non steroidal antiinflammatory drugs through a silicone rubber membrane has been studied from suspensions both of the free and beta-cyclodextrin complexes forms at different pH values of the medium. Higher diffusion rates of the complexed forms as compared with the free ones and a rate-lim...

journal_title：Archiv der Pharmazie

authors： Orienti I,Cavallari C,Zecchi V,Fini A

更新日期：1989-04-01 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：: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：: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