Synthesis of new 2-phenyladenines and 2-phenylpteridines and biological evaluation as adenosine receptor ligands.

abstract：:10 is a beta-carboline analogue of the neuroleptic flutroline2a,b) with significant lower affinity at the dopamine D2 binding site. Various synthetic routes to 10 and the solid state structure of 8 are described, structure activity relations, in particular the importance of the "S-shape" and the rigid dopamine conform...

journal_title：Archiv der Pharmazie

authors： Lehmann J,Knoch F,Jiang N

更新日期：1993-12-01 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：:Several derivatives of 1H-benzimidazole-2-carboxylic acid (BICA, 2a) were tested in vitro in comparison to 1H-indole-2-carboxylic acid (ICA, 1e) for their ability to displace [3H]glycine from rat hippocampal membranes. Compound 2a was 8 times more potent than 1e (Ki 5.3 microM, as compared to 42 microM). However, intr...

journal_title：Archiv der Pharmazie

authors： Berger ML,Schödl C,Noe CR

更新日期：1996-03-01 00:00:00

abstract：:Synthesis of 2-chloro-1,1-dimethylethyl and 2-chloro-2,2-dimethylethyl analogues of ifosfamide was performed via aziridine intermediate. In vitro metabolic activation showed that both compounds are metabolised at a rate similar to the parent drug. However, their anticancer activity against L1210 leukaemia in mice was ...

journal_title：Archiv der Pharmazie

authors： Misiura K,Kardacka K,Kusnierczyk H

更新日期：2001-09-01 00:00:00

abstract：:New 5-(2-arylethenyl)-1, 2, 4-triazine N-oxide and N, N'-dioxide derivatives were synthesized in order to obtain compounds as selective hypoxic cell cytotoxins. The desired products were obtained when the 5-methyl heterocycle reacted with the corresponding iminium electrophiles. The new compounds were tested for their...

journal_title：Archiv der Pharmazie

authors： Cerecetto H,González M,Risso M,Saenz P,Olea-Azar C,Bruno AM,Azqueta A,De Ceráin AL,Monge A

更新日期：2004-05-01 00:00:00

abstract：:The effect of triterpenes and flavonoids on the activity of several hyaluronic acid-splitting enzymes was investigated. Studies showed that the inhibitory effect of the triterpenes glycyrrhizin and glycyrrhetinic acid is dependent on the source of hyaluronate lyase. Hyaluronate lyase from Streptococcus agalactiae (Hya...

journal_title：Archiv der Pharmazie

authors： Hertel W,Peschel G,Ozegowski JH,Müller PJ

更新日期：2006-06-01 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

abstract：:Fifteen new indazole derivatives have been synthesized. In the Born test, compounds (4f) and (4g) were most active. They inhibited the blood platelet aggregation induced by collagen with an IC(50) = 85 or 90 microM, respectively. After oral administration to rats (60 mg/kg) three of the compounds significantly inhibit...

journal_title：Archiv der Pharmazie

authors： Yildiz AK,Rehse K,Stasch JP,Bischoff E

更新日期：2004-06-01 00:00:00

abstract：:The synthesis of some new analogs of quinolin-4-one and 1,7-naphthyridin-4-one is described. The prepared compounds were tested for their in vitro antitumor and cdc2 kinase or cdc25 phosphatase inhibitory activity. Compound ethyl 7-oxo-2,3-dihydro-7H-pyrido [1,2,3-de][2,3-b]pyrido-1,4-thiazine-6-carboxylate (6b) showe...

journal_title：Archiv der Pharmazie

authors： el-Subbagh HI,Abadi AH,al-Khawad IE,al-Rashood KA

更新日期：1999-01-01 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：: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：:The regio- and stereospecific synthesis of O-methyl-chiro-inositols and O-methyl-scyllo-inositol was achieved, starting from p-benzoquinone. After preparing dimethoxy conduritol-B as a key compound, regiospecific bromination of the alkene moiety of dimethoxy conduritol-B and acid-catalyzed ring opening of dimethoxydia...

journal_title：Archiv der Pharmazie

authors： Aksu K,Akincioglu H,Gulcin I,Kelebekli L

更新日期：2020-09-30 00:00:00

abstract：:Syntheses of a new series of biologically potent α-aminophosphonates were accomplished by one-pot Kabachnik-Fields reaction using TiO2-SiO2 as solid supported catalyst under microwave irradiation conditions. The chemical structures of all the newly synthesized compounds were confirmed by analytical and spectral (IR, 1...

journal_title：Archiv der Pharmazie

authors： Chinthaparthi RR,Bhatnagar I,Gangireddy CS,Syama SC,Cirandur SR

更新日期：2013-09-01 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：:A new class of acetamidomethylsulfonyl bis heterocycles-oxazolyl-1,3,4-oxadiazoles, -thiazolyl-1,3,4-oxadiazoles, and -imidazolyl-1,3,4-oxadiazoles were synthesized from the synthetic intermediates, methyl 2-((4-aryloxazol-2-ylcarbamoyl)methylsulfonyl)acetate, methyl 2-((4-arylthiazol-2-ylcarbamoyl)methylsulfonyl)acet...

journal_title：Archiv der Pharmazie

authors： Mahaboob Basha N,Lavanya G,Padmaja A,Padmavathi V

更新日期：2013-07-01 00:00:00

abstract：:The preparation and detailed composition of an oil newly extracted from pure soy germ (not less than 96 % hypocotyle) are presented. Experiments in vivo showed that soybean-germ oil (SGO) possesses a remarkable protective activity against UVB-induced skin inflammation, exceeding that of tocopherol acetate by a factor ...

journal_title：Archiv der Pharmazie

authors： Bonina F,Puglia C,Avogadro M,Baranelli E,Cravotto G

更新日期：2005-12-01 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：:Schiff base transition metal complexes are an important class of compounds with great potential for therapeutic interventions. However, data on antileukemic and antilymphoma effects of these complexes are limited. The activity of N,N'-bis(salicylidene)-1,2-phenylenediamine (salophene, 1), its iron(II/III) and manganes...

journal_title：Archiv der Pharmazie

authors： Hille A,Wolf T,Schumacher P,Ott I,Gust R,Kircher B

更新日期：2011-04-01 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：: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：:Michael-type reaction of compounds of type 9 were studied. Addition reactions with acrolein and methyl vinyl ketone, respectively, lead--depending on the conditions--to pyridoindoles of type 16 and 14 and/or to tetrahydrocarbazoles of type 17 and 15. With Triton B compounds 15 undergo retro-Michael-type elimination of...

journal_title：Archiv der Pharmazie

authors： Mahboobi S,Burgemeister T,Kastner F

更新日期：1995-01-01 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：:Novel betulin derivatives were prepared and tested for their antitumor activity. Starting from 3-O-acetyl- or 3-O-methyl-betulinic aldehyde, the synthesis of C-28 ethynyl derivatives was performed; their subsequent transformation with several 1,3-dipolarophiles afforded pyrazoles and 1,2,3-triazoles. Their screening f...

journal_title：Archiv der Pharmazie

authors： Csuk R,Barthel A,Sczepek R,Siewert B,Schwarz S

更新日期：2011-01-01 00:00:00

abstract：:A group of racemic 3-[2-nitrooxyethyl (1,3-dinitrooxy-2-propyl or 4-nitrophenylethyl)] 5-isopropyl 1,4-dihydro-2,6-dimethyl-4-[2- trifluoromethylphenyl (2-nitrophenyl or 3-nitrophenyl)]-3,5-pyridinedicarboxylates 13-15 were prepared using the Hantzsch reaction that involved the condensation of 2-nitrooxyethyl 9a, 1,3-...

journal_title：Archiv der Pharmazie

authors： Iqbal N,Knaus EE

更新日期：1996-01-01 00:00:00

abstract：:A series of hydantoin prostaglandin analogues, in which the hexamethylene moiety of the acid side chain was replaced by other spacing groups possessing either ether, sulphide and/or olefin functionality, were prepared and evaluated for platelet aggregation inhibiting activity. The 4-thia analogue 13*) proved to be the...

journal_title：Archiv der Pharmazie

authors： Barraclough P,Caldwell AG,Glen RC,Harris CJ,Stepney R,Whittaker N,Whittle BJ

更新日期：1993-02-01 00:00:00

abstract：:Reaction of K2PtCl4 with the substituted 2-aminomethylpyridines 9, 14, and 22 affords the corresponding dichloroplatinum(II) complexes 3-5. Compounds 3 and 22 show remarkable relative binding affinities for the estrogen receptor. Towards the hormone-independent P388-tumor of the CD2F1-mouse the platinum(II) complexes ...

journal_title：Archiv der Pharmazie

authors： Brunner H,Nerl G,von Angerer E,Knebel N

更新日期：1991-10-01 00:00:00

abstract：:JL 13 (5-(4-methylpiperazin-1-yl)-8-chloro-pyrido[2,3-b]- [1,5]benzoxazepine fumarate) and JL 3 (10-(4-methylpiperazin-1- yl)pyrido[4,3-b][1,4]benzothiazepine), two pyridobenzazepine derivatives structurally related to clozapine, were selected for further development. Due to their structural similarity to clozapine, t...

journal_title：Archiv der Pharmazie

authors： Liégeois JF,Zahid N,Bruhwyler J,Uetrecht J

更新日期：2000-03-01 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 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：: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