The cytotoxicity of 2-formyl and 2-acetyl-(6-picolyl)-4N-substituted thiosemicarbazones and their copper(II) complexes.

abstract：:A series of new benzofuran/oxadiazole hybrids (8a-n) was synthesized from 2H-chromene-3-carbonitriles (3a-c) through the multistep synthetic methodology, and these hybrids are known to exhibit anticancer activities. All the compounds were evaluated for their in vitro cytotoxicity against the HCT116 and MIA PaCa2 cell ...

journal_title：Archiv der Pharmazie

authors： Mokenapelli S,Thalari G,Vadiyaala N,Yerrabelli JR,Irlapati VK,Gorityala N,Sagurthi SR,Chitneni PR

更新日期：2020-06-01 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：:Isatin and azole moieties, which have the ability to form various noncovalent interactions with different therapeutic targets, are common pharmacophores in drug development. Isatin and azole derivatives possess promising in vitro and in vivo anticancer activity, and many of them, such as semaxanib, sunitinib, and carb...

journal_title：Archiv der Pharmazie

authors： Hou Y,Shang C,Wang H,Yun J

更新日期：2020-01-01 00:00:00

abstract：:New analogues of nifedipine, in which the 2-nitrophenyl group at position 4 is replaced by a 1-methyl-5-nitro-2-imidazolyl substituent, were synthesized. The symmetrical dialkyl 1, 4-dihydro-2, 6-dimethyl-4-(1-methyl-5-nitro-2-imidazolyl)-3, 5-pyridinedicarboxylates were prepared by a classical Hantzsch condensation. ...

journal_title：Archiv der Pharmazie

authors： Miri R,Javidnia K,Kebriaie-Zadeh A,Niknahad H,Shaygani N,Semnanian S,Shafiee A

更新日期：2003-09-01 00:00:00

abstract：:Some 2-arylpyrazolo[1,5-c][1,3]benzoxazin-5-ones 1 and 5- oxopyrazolo[1,5-c][1,3]benzoxazin-2-carboxylates 2 were prepared and biologically evaluated for their binding at benzodiazepine receptor (BZR) in rat cortical membranes. Structure-activity relationship studies suggest that, although proton donor d and proton ac...

journal_title：Archiv der Pharmazie

authors： Varano F,Catarzi D,Colotta V,Cecchi L,Filacchioni G,Galli A,Costagli C

更新日期：1996-12-01 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 new series of N,N'-(benzene-1,3-diyldi-1,3,4-oxadiazole-5,2-diyl)bis{2-[(5-benzene-1,3-diyl-1,3,4-oxadiazol-2-yl)amino]acetamide}(macrocycle 1), N,N'-(benzene-1,3-diyldi-1,3,4-thiadiazole-5,2-diyl)bis{2-[(5-benzene-1,3-diyl-1,3,4-thiadiazol-2-yl)amino]acetamide} (macrocycle 2) and S,S'-[benzene-1,3-diylbis(4H-1,2,4-...

journal_title：Archiv der Pharmazie

authors： Vinay Kumar B,Naik HS,Girija D,Sharath N,Sudeep HV,Joy Hoskeri H

更新日期：2012-03-01 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：: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：:Marine organisms play an important role in natural product-based drug research due to accumulation of structurally unique and bioactive metabolites. The exploration of marine-derived compounds may significantly extend the scientific knowledge of potential scaffolds for antibiotic drug discovery. Development of novel a...

journal_title：Archiv der Pharmazie

authors： Daletos G,Ancheeva E,Chaidir C,Kalscheuer R,Proksch P

更新日期：2016-10-01 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：:Furfurylidenemalononitriles and thienylidenemalononitriles were treated with 1,3-cyclohexanediones to afford 2-amino-4-hetaryl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile derivatives. The molluscicidal activity of these compounds was investigated. ...

journal_title：Archiv der Pharmazie

authors： Abdelrazek FM,Metz P,Farrag EK

更新日期：2004-09-01 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：: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：:Styrylquinazoline derivatives were prepared by Perkin condensation and evaluated for inhibitory activity against HIV-1 integrase. Among them, compound 5c containing a free catechol ring was the most potent (IC(50)=0.8 +/- 1.9 microM)and showed 6-fold more potency than the corresponding styrylquinoline compound (IC(50)...

journal_title：Archiv der Pharmazie

authors： Lee JY,Park JH,Lee SJ,Park H,Lee YS

更新日期：2002-06-01 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：:A series of eperezolid analogs with glycinyl substitutions were prepared and their antibacterial activities were studied against a panel of susceptible and resistant Gram-positive bacteria. The compounds with N-arylacyl or N-heteroarylacyl glycinyl structural units showed good antibacterial activities. The compounds 1...

journal_title：Archiv der Pharmazie

authors： Wang XJ,Wu N,Du GJ,Zhao SQ,Yan M,Gu LQ

更新日期：2009-07-01 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 synthesis and the pharmacological properties of some new prazosin analogues are described. ...

journal_title：Archiv der Pharmazie

authors： Rampa A,Valenti P,Da Re P,Carrara M,Zampiron S,Cima L,Giusti P

更新日期：1989-06-01 00:00:00

abstract：:36 Novel heterocyclic chalcone derivatives were synthesized and tested for their anti-bacterial activity. Some compounds presented good anti-microbial activities against Gram-positive bacteria (including the multidrug-resistant clinical isolates). This class of compounds presented high potency against Streptococcus mu...

journal_title：Archiv der Pharmazie

authors： Zheng CJ,Jiang SM,Chen ZH,Ye BJ,Piao HR

更新日期：2011-10-01 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：:A new method for the synthesis of ODN-luciferase conjugate was investigated as a signal-amplifying sensor of the target nucleic acids. The conjugation of the luciferase was successfully achieved between the cysteine residue and the 2-amino-6-vinylpurine nucleoside of the ODN probe without significant inactivation of l...

journal_title：Archiv der Pharmazie

authors： Nagatsugi F,Nakahara R,Inoue K,Sasaki S

更新日期：2008-09-01 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：: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：: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：:The aim of our study was to investigate structure activity relationship following the replacement of the 6-phenyl substituent at the 6,7-diaryl-2,3-dihydropyrrolizine template by various heteroaromatic residues. In this context we developed a new, efficient, and highly sensitive test method for the screening of dual c...

journal_title：Archiv der Pharmazie

authors： Laufer S,Striegel HG,Neher K,Zechmeister P,Donat C,Stolingwa K,Baur S,Tries S,Kammermeier T,Dannhardt G,Kiefer W

更新日期：1997-10-01 00:00:00

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：: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 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：:New, non-imidazole histamine H3 receptor antagonists were prepared and in vitro tested as H3 receptor antagonists measured as the electrically evoked contraction of the guinea-pig jejunum. The 2-(1-piperidinyl)- and 2-(1-pyrrolidinyl)benzothiazoles show no or very poor activity; 2-[1-(4-amino)piperidinyl]- and 2-(1,2-...

journal_title：Archiv der Pharmazie

authors： Walczyński K,Guryn R,Zuiderveld OP,Timmerman H

更新日期：1999-11-01 00:00:00