abstract：:A series of potent HIV-protease inhibitors has been prepared. Several of the newly synthesized compounds showed high plasma even after oral administration to animals. Based on the overall biological profile, CGP 61755 was chosen for further preclinical evaluation. For this compound, a 10 step synthesis potentially sui...

journal_title：Archiv der Pharmazie

authors： Capraro HG,Bold G,Fässler A,Cozens R,Klimkait T,Lazdins J,Mestan J,Poncioni B,Rösel JL,Stover D,Lang M

更新日期：1996-06-01 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：:Biphenyl nitriles 5a-c, terphenyl dinitriles 11a-d, and naphthalene-bis(benzonitrile) 11c were prepared by palladium-catalyzed cross coupling reactions and subsequently converted to biphenyl amidines 8a-c and bis(benzamidines) 4a-e. Among the biphenyl amidines 8 only the meta-derivative 8b inhibits factor Xa and tryps...

journal_title：Archiv der Pharmazie

authors： von der Saal W,Engh RA,Eichinger A,Gabriel B,Kucznierz R,Sauer J

更新日期：1996-02-01 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 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：:Several chloro- and iodo-lignanolides have been obtained by direct halogenation of aromatic rings from yatein and 4'-O-demethylyatein. They were assayed as antineoplastics, in order to check the influence in the activity of substitution in both aromatic rings. Although these compounds show a modest antineoplastic acti...

journal_title：Archiv der Pharmazie

authors： Medarde M,Peláez-Lamamié de Clairac R,López JL,Grávalos DG,San Feliciano S

更新日期：1995-09-01 00:00:00

abstract：:Starting from L-aspartic acid the preparation of 8-aminopyrido[1,2-a]indole derivatives as benzo-fused analogs of the dopamine autoreceptor agonist 1 is reported. The key step of the synthesis is the Tf2O induced cyclization of the 1,2-amino alcohol 6. Receptor binding studies indicated selective affinity for the D-2 ...

journal_title：Archiv der Pharmazie

authors： Gmeiner P,Kärtner A,Mierau J

更新日期：1995-07-01 00:00:00

abstract：:This paper reports the synthesis of the new compound 1-[2-acetoxy-3-(4-phenyl-1-piperazinyl)propyl]pyrrolidin-2-one (Ac-MG-1). Preliminary pharmacological assessment revealed that Ac-MG-1 possesses anti-arrhythmic activity and a local anesthetic effect. The crystal structure of Ac-MG-1 was determined by X-ray diffract...

journal_title：Archiv der Pharmazie

authors： Malawska B,Filipek B,Stadnicka K,Ciechanowicz-Rutkowska M

更新日期：1995-06-01 00:00:00

abstract：:In search of structure-activity relationships among histamine H3-receptor antagonists the imidazole ring of known H3-receptor antagonists was replaced by different heteroaromatic ring systems. Thus, azines and diazines with ether (6-13) and carbamate (15-24) moieties as functional groups were synthesized. The obtained...

journal_title：Archiv der Pharmazie

authors： Kieć-Kononowicz K,Ligneau X,Stark H,Schwartz JC,Schunack W

更新日期：1995-05-01 00:00:00

abstract：:The influence of RE 1492 on the storage of red blood cells (RBCs) was investigated. RE 1492 (c > or = 50 mumol/L) induces the formation of cup cells and hence delays the appearance of echinocytes and crenated spheres in the blood. A concentration of 50 mumol/L RE 1492 drops hemolysis by 50%. At this concentration afte...

journal_title：Archiv der Pharmazie

authors： Rehse K,Müller S

更新日期：1995-04-01 00:00:00

abstract：:Starting from the commercially available 6-methyl-2-pyridylamine (1) the pyrido[3,2-e][1,4]diazepine 14a was synthesized in 12 steps with 7% total yield. 14a, the N-methyl derivative 14b, the thiolactam 15a, the amidine 16, and the 1,2,4-triazole 17 were tested for anti-HIV-1-activity. None of the compounds tested pos...

journal_title：Archiv der Pharmazie

authors： Görlitzer K,Wilpert C,Rübsamen-Waigmann H,Suhartono H,Wang L,Immelmann A

更新日期：1995-03-01 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：: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：: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：:3'-Azidonucleosides 4 have been synthesized by condensation of silylated (Z)-5-ethylidenehydantoin and (Z)-5-benzylidenehydantoin with methyl 3-azido-5-O-tert-butyldiphenylsilyl-2,3-dideoxy-D-erythro-pento furanoside (3). The nucleosides 4 were deblocked on treatment with tetrabutylammonium fluoride. The ethylidene gr...

journal_title：Archiv der Pharmazie

authors： el-Barbary AA,Khodair AI,Pedersen EB

更新日期：1994-10-01 00:00:00

abstract：:Salicylamide amino acid conjugates were prepared utilizing 5-formyl-, 5-dicyanoethenyl-, and 5-nitroethenylsalicylic acid. 5-Substituted salicylanilides were treated with glycine and formaldehyde in a Mannich type reaction affording the corresponding 3-(N-glycino)salicylanilides. The reactions of anilines with pyrans ...

journal_title：Archiv der Pharmazie

authors： Nawwar GA

更新日期：1994-04-01 00:00:00

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 4-amino-7,8-dimethoxy-5H-pyrimido[5,4-b]indole derivatives has been synthesized. These compounds resemble carbazeram and other pyridazino compounds with activity in the cardiovascular system. Some of these new compounds possess inotropic activity (Table 2), with a complementary effect on the inhibition of ...

journal_title：Archiv der Pharmazie

authors： Monge A,Martínez-Crespo FJ,Villanueva MA,Font M,Santiago E,Martínez de Irujo JJ,Alberdi E,López-Unzu MJ,Cenarruzabeitia E,Castiella E

更新日期：1993-11-01 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

abstract：:Numerous novel N,N-disubstituted 5-alkyliden- or 5-aralkyliden-3-aminorhodanines 2 have been prepared by condensation of carbonyl compounds with 1. The effectiveness of some derivatives in an "akanthose test" with hairless mice was shown. ...

journal_title：Archiv der Pharmazie

authors： Hanefeld W,Helfrich V,Jalili MA,Schlitzer M

更新日期：1993-06-01 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：: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：:The chemical reactivity of cytotoxic 5-indolone derivatives is examined in order to get ideas about their behaviour in biological systems. Dienone-phenol-rearrangement preserving the indole ring system could not be achieved, aromatization of 1b gives the phenol derivative 3 alpha. In diluted NaOH ester hydrolysis occu...

journal_title：Archiv der Pharmazie

authors： Eger K,Frey M

更新日期：1992-09-01 00:00:00

abstract：:(2S,3R)-3,7-Diamino-2-hydroxy-heptanoyl-Leu-Pro-OH [(2S,3R)-DAHHA-Leu-Pro-OH, 4], analogue of the N-terminal tripeptide of probestin, has been synthesized, and tested as inhibitor of AP-B, Leu-AP, AP-M, and enkephalin-degrading APs, and as analgesic. In order to establish structure-activity relationships the dipeptide...

journal_title：Archiv der Pharmazie

authors： Herranz R,Vinuesa S,Pérez C,García-López MT,De Ceballos ML,Murillo FM,del Río J

更新日期：1992-08-01 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：:Three ketomethylene pseudodideptide analogues [(S)Lys psi(COCH2)(R and S)Phe (14 or 15 and 15 or 14) and (S)Lys psi(COCH2)(xi Trp (19)] of natural arphamenine A [(S)Arg psi(COCH2(R,S)Phe (1)] were easily prepared by a route involving two successive main reactions: a malonic ester alkylation with Z-protected lysine iod...

journal_title：Archiv der Pharmazie

authors： García-López MT,González-Muñiz R,Hartoa JR,Gómez-Monterrey I,Pérez C,De Ceballos ML,López E,Del Río J

更新日期：1992-01-01 00:00:00

abstract：:We describe a method to determine the affinity constant values between Ketoprofen and beta-cyclodextrin and hydroxypropyl-beta-cyclodextrin in semisolid vehicles. The method is based on the diffusion of the drug, released from semisolid vehicles, through a lipidic non porous membrane. The affinity constants of Ketopro...

journal_title：Archiv der Pharmazie

authors： Orienti I,Zecchi V,Bertasi V,Fini A

更新日期：1991-12-01 00:00:00

abstract：:Inhibition of 5-lipoxygenase by anthralin (1) and 41 derivatives is determined: the acids 38 and 39, the lactones 40-42 and 9-anthrone (8) are the most potent inhibitors, the lactone 41 reaching the efficacy of nordihydroguaiaretic acid (NDGA). The results were correlated with the hydrophilic/lipophilic balance of the...

journal_title：Archiv der Pharmazie

authors： Tanzer H,Braun C,Seidel M,Wiegrebe W

更新日期：1991-11-01 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：:The synthesis and preliminary assays as hypocholesterolemic agents of five N-diphenylmethylpiperazines are described. The evaluations were carried out in hypercholesterolemic mice and two of these compounds were more effective than bezafibrate in the test employed. The di-p-chlorosubstituted compounds showed higher ac...

journal_title：Archiv der Pharmazie

authors： Alivert A,Canals F,Bonet JJ,Gómez-Parra V,Sánchez-Alonso F

更新日期：1991-09-01 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：:Diverse biological activities have been found in compounds having a quinazolinone ring system. A large number of 4(3H)-quinazolinones, in particular those possessing 2-alkyl-3-aryl, 2,3-dialkyl, and 2-alkyl-3-amino substitution, have been evaluated for pharmacological activity. On the other hand, thiazolidone derivati...

journal_title：Archiv der Pharmazie

authors： el-Feky SA,Abd el-Samii ZK

更新日期：1991-06-01 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：: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：: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：:The 2-(2-Bromophenyl)-acetaldehyde acetals 8 are treated with n-BuLi and the aldehydes 7 and 11 to form the hydroxyacetales 9 and 12, respectively. 9 is cyclized under acidic conditions to the epoxybenzoxocine 2; analogously 12 yields the epoxydibenzoxocine 14. ...

journal_title：Archiv der Pharmazie

authors： Wünsch B

更新日期：1990-11-01 00:00:00

abstract：:A series of 5-alkyl-5-phenylbarbituric acid analogues were shown to be potent hypolipidemic agents in rats and mice at 20 mg/kg/day. This dose is lower than that required for hypolipidemic activity for clofibrate and nicotinic acid derivatives in rodents and man. These new derivatives reduced both serum cholesterol an...

journal_title：Archiv der Pharmazie

authors： Hall IH,Patrick MA,Maguire JH

更新日期：1990-09-01 00:00:00

abstract：:Structural studies of hydroxy-aluminum phosphates with antacid application are performed. The antacid properties of the products depend on their chemical composition and way of preparation. Scanning electron microscope, X-ray- and IR-spectroscopy have evidenced the formation of a one-phase product. The IR-spectra indi...

journal_title：Archiv der Pharmazie

authors： Misheva E

更新日期：1990-08-01 00:00:00

abstract：:The biotransformation of the positively inotropically active compound N-methyl-N-(2-hydroxy-3-phenoxy-propyl)-11-(2-aminoethyl)-6,11- dihydrodibenz[b,e]-oxepine, neutral fumarate, (Doxaminol, racemic mixture of diastereomeres) in dogs is examined. The metabolits M1-M7 were isolated and their chemical structures identi...

journal_title：Archiv der Pharmazie

authors： Neidlein R,Volland C,Kramer W

更新日期：1990-05-01 00:00:00

abstract：:Three novel series of quinoline derivatives have been prepared by cyclization of the intermediate 3-(1,3-dioxolan-2-yl)-2-substituted thiocarbamoyl-hydrazinoquinolines with different alpha-halocarbonyl compounds. These series are: 3-(1,3-dioxolan-2-yl)-2-(3-substituted-4-phenylthiazolin-2-y lidene) hydrazinoquinolines...

journal_title：Archiv der Pharmazie

authors： Farghaly AM,Habib NS,Khalil MA,el-Sayed OA,Bistawroos AE

更新日期：1990-04-01 00:00:00