Synthesis, spectral characterization and microbiological studies of Co(II), Ni(II) and Cu(II) complexes with some novel 20-membered macrocyclic hydrazino-1,2,4-triazole Schiff bases.

abstract：:Coumarin, a naturally occurring or synthesised phytochemical, displays a wide range of biological activities. However, chromen-2-ones fused with 1,3-benzoxazine rings is not well documented and there is a gap in the literature which required engaging. The substituted-2-thioxo-chromen-oxazine linear compounds 14a-i and...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Morrison R,Al-Rawi JM

更新日期：2016-01-01 00:00:00

abstract：:Alzheimer's disease is a progressive neurodegenerative illness accounting for approximately 50% of all types of dementia in elderly people. The only symptomatic treatment proven effective to date is the use of cholinesterase inhibitors to augment surviving cholinergic activity. The purpose of this study is to investig...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Suganthy N,Pandian SK,Devi KP

更新日期：2009-06-01 00:00:00

abstract：:This study was designed to investigate the mushroom tyrosinase inhibitory activity for the constituents isolated from Neolitsea aciculata. The stems of N. aciculata was extracted with aqueous ethanol and subjected to chromatographic separation, which led to the isolation of 11 compounds: methyl linoleate (1), catechin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kim SS,Hyun CG,Choi YH,Lee NH

更新日期：2013-08-01 00:00:00

abstract：:Poly(ADP-ribose) polymerase (PARP)-1 inhibitor has been suggested to attenuate the ischemia-reperfusion injury. We investigated the protective effect of the cardioplegia with a PARP-1 inhibitor, 4-hydoxyquinazoline (4-HQ), against myocardial ischemia-reperfusion injury. Isolated rat hearts were perfused on a Langendor...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Yamazaki K,Tanaka S,Sakata R,Miwa S,Oriyanhan W,Takaba K,Minakata K,Marui A,Ikeda T,Toyokuni S,Komeda M,Ueda K

更新日期：2013-02-01 00:00:00

abstract：:Carbonic anhydrases (CAs) are ubiquitous metallo-enzymes that catalyse the reversible hydration of carbon dioxide to bicarbonate and proton. In humans there are 15 isoforms among which only 12 are catalytically active. Since active human (h) CAs show different efficiency, the understanding of the molecular determinant...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： De Simone G,Di Fiore A,Truppo E,Langella E,Vullo D,Supuran CT,Monti SM

更新日期：2019-12-01 00:00:00

abstract：:Melatonin (MLT) is a well-known free-radical scavenger, involving in the prevention of cellular damage that can lead to cancer, ageing and a variety of neurodegenerative diseases. Research on MLT-related compounds has been required to optimise the maximum pharmaceutical activity with the lowest side effects. In our on...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Shirinzadeh H,Ince E,Westwell AD,Gurer-Orhan H,Suzen S

更新日期：2016-12-01 00:00:00

abstract：:The hypoxic tumour microenvironment of solid tumours represents an important starting point for modulating progression and metastatic spread. Carbonic anhydrase IX (CAIX) is a known HIF-1α-dependent key player in maintaining cell pH conditions under hypoxia. We show that CAIX is strongly expressed in esophageal carcin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Drenckhan A,Freytag M,Supuran CT,Sauter G,Izbicki JR,Gros SJ

更新日期：2018-12-01 00:00:00

abstract：:In the present study we have evaluated the antigenotoxic effects of Farnesol (FL) a 15-carbon isoprenoid alcohol against benzo (a) pyrene [B(a)P] (125 mg kg(- 1).b.wt oral) induced toxicity. B(a)P administration lead to significant induction in Cytochrome P450 (CYP) content and aryl hydrocarbon hydrolase (AHH) activit...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Jahangir T,Sultana S

更新日期：2008-12-01 00:00:00

abstract：:A small library of phosphorylated sulfamates (N-(O-alkylsulfamoyl)-phosphoramidic acids) incorporating long aliphatic chains (C8-C16) has been synthesized and investigated for their interaction with two physiologically relevant carbonic anhydrase (CA) isozymes. These compounds behaved as very potent inhibitors of both...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bonnac L,Innocenti A,Winum JY,Casini A,Montero JL,Scozzafava A,Barragan V,Supuran CT

更新日期：2004-06-01 00:00:00

abstract：:Enzyme inhibition by fullerene derivatives has attracted much attention. In this communication, effects of two water-solube fullerene derivatives, fullerol and trimalonic acid C60 (TMA C60) on polymerase chain reaction (PCR) were investigated by using PCR of beta-actin cDNA derived from HeLa cells as an experimental m...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Meng X,Li B,Chen Z,Yao L,Zhao D,Yang X,He M,Yu Q

更新日期：2007-06-01 00:00:00

abstract：:Chemotypes comprising the d-annulated 1,3-dihydro-2H-1-benzazepin-2-one scaffold derived from the paullone structure were found to be potent vascular endothelial growth factor receptor 2 (VEGF-R2) kinase inhibitors. Three-dimensional quantitative structure-activity relationship (3D-QSAR) and docking studies were perfo...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lan P,Sun JR,Chen WN,Sun PH,Chen WM

更新日期：2011-06-01 00:00:00

abstract：:In this study, the synthesis and potential enzyme interactions of new Pyrrolo[2,3-d]pyrimidine derivatives along with their inhibitory activity against SFK enzymes such as Fyn, Lyn, Hck, and c-Src were reported. The results indicated that compounds were slightly active of tested SFK enzymes in comparison with PP2 for ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Dincer S,Cetin KT,Onay-Besikci A,Ölgen S

更新日期：2013-10-01 00:00:00

abstract：:In the present study, some thiazole derivatives were synthesized via the ring closure reaction of 1-[2-(2-oxobenzo[d]thiazol-3(2H)-yl)acetyl]thiosemicarbazide with various phenacyl bromides. The chemical structures of the compounds were elucidated by (1)H NMR, (13)C NMR and mass spectral data and elemental analyses. E...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Turan-Zitouni G,Ozdemir A,Kaplancikli ZA,Altintop MD,Temel HE,Çiftçi GA

更新日期：2013-06-01 00:00:00

abstract：:A quantitative structure-activity relationship analysis was conducted on two different series of pyridinylguanidines acting as inhibitors of urokinase-type plasminogen activator using QuaSAR descriptors of molecular modeling software MOE. Multiple linear regression analysis following a stepwise scheme was employed to ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Karthikeyan C,Moorthy NS,Trivedi P

更新日期：2009-02-01 00:00:00

abstract：:Telomeres length and telomerase activity are currently considered aging molecular stigmata. Water is a major requirement for our body and water should be alkaline. Recent reports have shown that aging is related to a reduced water intake. We wanted to investigate the effect of the daily intake of alkaline water on the...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Logozzi M,Mizzoni D,Di Raimo R,Andreotti M,Macchia D,Spada M,Fais S

更新日期：2020-12-01 00:00:00

abstract：:In this study, di(2,6-dimethylphenol) (Di-DMP), di(2,6-diisopropylphenol) (Di-DIP, dipropofol) and di(2,6-di-t-butylphenol) (Di-DTP) were synthesized by the reaction of monomeric phenol derivatives with catalytic CuCl(OH). TMEDA and Na2S2O4. Their antioxidant capacity and radical scavenging activity were examined usin...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Güllçin I,Daştan A

更新日期：2007-12-01 00:00:00

abstract：:The synthesis of new 4-[2-(alkylamino)ethylthio]pyrrolo[1,2-a]quinoxaline derivatives la-1 is described in five or six steps starting from various substituted nitroanilines 2a-e. The bioisostere 5-[2-(alkylamino)ethylthio]pyrrolo[1,2- a]thieno[3,2-e]pyrazine 1m was also prepared. The new derivatives were evaluated as ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Vidaillac C,Guillon J,Moreau S,Arpin C,Lagardère A,Larrouture S,Dallemagne P,Caignard DH,Quentin C,Jarry C

更新日期：2007-10-01 00:00:00

abstract：:A novel series of 5-(5-nitrofuran-2-yl)-and 5-(5-nitrothiophen-2-yl)-1,3,4-thiadiazole-2-amines bearing acyclic amine at C-2 position of thiadiazole ring were synthesized and evaluated in vitro against promastigote and amastigote forms of Leishmania major. The structure-activity of series was investigated by studying ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Tahghighi A,Emami S,Razmi S,Rezazade Marznaki F,Kabudanian Ardestani S,Dastmalchi S,Kobarfard F,Shafiee A,Foroumadi A

更新日期：2013-08-01 00:00:00

abstract：:Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous enzymes that catalyze the hydration of CO(2) to bicarbonate and protons. Inhibition of CAs has been clinically exploited for the treatment of various classes of diseases for decades, but investigating new classes of inhibitors continues to be important. We have synt...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ayvaz S,Çankaya M,Atasever A,Altuntas A

更新日期：2013-04-01 00:00:00

abstract：:Exposure of the N-methoxycarbonyl-bicyclic-keto-acid 5 (improved preparation) to the Barnick beta-keto-acid synthesis yielded an aqueous solution of the sodium salts of the beta-keto-acids 26 and 27 which on heating at 60-65 degrees C furnished the N-methoxycarbonyl-tricyclic-ketone 9 (55%) plus the hydroxy-ketone 28 ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Bowman MA,Bowman RE,Davies RV,Haran G,Harris PJ,Smith HJ,Steele RW,Walker N,Whiting K

更新日期：2002-06-01 00:00:00

abstract：:Corticosteroids are anti-inflammatory drugs that are similar to the natural corticosteroid hormones produced by the cortex of the adrenal glands. The objective of this study was to scrutinize effects of some corticosteroids on glucose-6-phosphate dehydrogenase (G6PD) and some antioxidant enzymes. Initially, G6PD was p...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ozmen I

更新日期：2005-02-01 00:00:00

abstract：:A series of eighteen pyrrolo[3,2-c]pyridine derivatives were tested for inhibitory effect against FMS kinase. Compounds 1e and 1r were the most potent among all the other tested analogues (IC50 = 60 nM and 30 nM, respectively). They were 1.6 and 3.2 times, respectively, more potent than our lead compound, KIST101029 (...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： El-Gamal MI,Oh CH

更新日期：2018-12-01 00:00:00

abstract：:A trypsin inhibitor isolated from tamarind seed (TTI) has satietogenic effects in animals, increasing the cholecystokinin (CCK) in eutrophy and reducing leptin in obesity. We purified TTI (pTTI), characterised, and observed its effect upon CCK and leptin in obese Wistar rats. By HPLC, and after amplification of resolu...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Medeiros AF,Costa IS,Carvalho FMC,Kiyota S,Souza BBP,Sifuentes DN,Serquiz RP,Maciel BLL,Uchôa AF,Santos EAD,Morais AHA

更新日期：2018-12-01 00:00:00

abstract：:Quantitative structure-activity relationships (QSARs) within a series of cytochrome P450 2C9 (CYP2C9) and cytochrome P450 2C19 (CYP2C19) inhibitors are reported. In particular, it is noted that compound lipophilicity, in the form of log P values (where P is the octanol/water partition coefficient), is an important fac...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Lewis DF,Lake BG,Ito Y,Dickins M

更新日期：2006-08-01 00:00:00

abstract：:This study reports on a preliminary structure-activity relationship exploration of 4-aryliden-2-methyloxazol-5(4H)-one-based compounds as MAGL/FAAH inhibitors. Our results highlight that this scaffold may serve for the development of selective MAGL inhibitors. A 69-fold selectivity against MAGL over FAAH was achieved ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Granchi C,Rizzolio F,Bordoni V,Caligiuri I,Manera C,Macchia M,Minutolo F,Martinelli A,Giordano A,Tuccinardi T

更新日期：2016-01-01 00:00:00

abstract：:The synthesis of 1,2-dioxolane derivatives in two different acetophenone series, as simplified models of natural coumarins is described. 2-Acetyl-3-acetoxy-4-(3-hydroperoxy-3-methylbut-1-enyl)phenyl acetate and 2-acetyl-5-acetoxy4-(3-hydroperoxy-3-methylbut-1-enyl) phenyl acetate synthons are used as precursors to the...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Helesbeux JJ,Peyronnet D,Labaïed M,Grellier P,Frappier F,Seraphin D,Richomme P,Duval O

更新日期：2002-12-01 00:00:00

abstract：:The present study investigated the ability of the arginine analog L-NAME (N(omega)-Nitro-L-arginine methyl ester) to modulate the activity of arginase. L-NAME inhibited the activity of arginase in lysates from rat colon cancer cells and liver. It also inhibited the arginase activity of tumor cells in culture. Furtherm...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Reisser D,Onier-Cherix N,Jeannin JF

更新日期：2002-08-01 00:00:00

abstract：:The inhibition of two human carbonic anhydrase (HCA, EC 4.2.1.1) isozymes, the cytosolic HCA I and II, with heavy metal salts of Pb(II), Co(II) and Hg(II) has been investigated. Human erythrocyte CA-I isozyme was purified with a specific activity of 920 EUmg(-1) and a yield of 30% and CA-II isozyme was purified with a...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Ekinci D,Beydemir S,Küfrevioğlu OI

更新日期：2007-12-01 00:00:00

abstract：:The α-glucosidase inhibitory activities of bergenin derivatives were evaluated. Bergenin derivatives were synthesized from bergenin which is a characteristic compound of B. ligulata. A new bergenin derivative, 11-O-(3',4'-dimethoxybenzoyl)-bergenin showed the highest potent inhibitory activity among those of bergenin ...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Kashima Y,Yamaki H,Suzuki T,Miyazawa M

更新日期：2013-12-01 00:00:00

abstract：:Nerve agents such as sarin, cyclosarin and tabun are organophosphorus substances able to inhibit the enzyme acetylcholinesterase (AChE; EC 3.1.1.7). AChE reactivators and anticholinergics are generally used as antidotes in the case of intoxication with these agents. None of the known AChE reactivators is able to react...

journal_title：Journal of enzyme inhibition and medicinal chemistry

authors： Hrabinova M,Musilek K,Jun D,Kuca K

更新日期：2006-10-01 00:00:00