Yayıncı "Georg Thieme Verlag Kg" Scopus İndeksli Yayınlar Koleksiyonu için listeleme
Toplam kayıt 15, listelenen: 1-15
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Antimicrobial compounds from Pimpinella species growing in Turkey
(Georg Thieme Verlag Kg, 2003)A new, 4-(2-propenyl)-phenyl angelate (1) and four known phenylpropanoids (2-5), were isolated from Pimpinella isaurica, a species endemic in Turkey. One new sesquiterpene, 1-methyl-4-(5-methyl-1-methylenehex-4-enyl)-7-o ... -
Antiprotozoal Effect of Artemisia indica Extracts and Essential Oil
(Georg Thieme Verlag Kg, 2015)Diverse solvent extracts of Artemisia indica leaves originating from the West Bengal region (India) were assessed for the content of artemisinin and characteristic Artemisia polymethoxyflavonoids, namely eupatin (1), ... -
Composition and antimicrobial activity of the essential oil of Achillea multifida
(Georg Thieme Verlag Kg, 2002)The composition of the water-distilled essential oil of Achillea multifida (DC.) Boiss. (Compositae) was analysed by GC and GC/ MS. Fifty-eight compounds were identified representing 93.9% of the total oil. a-Thujone ... -
Design and Synthesis of New 1,3,4-Oxadiazole - Benzothiazole and Hydrazone Derivatives as Promising Chemotherapeutic Agents
(Georg Thieme Verlag Kg, 2017)Looking for new cytotoxic and antimicrobial agents with improved antitumor activity, a series of hydrazide and oxadiazole derivatives were designed and synthesized using 3-methoxyphenol as starting substance. Novel ... -
Effects of gentiopicroside, sweroside and swertiamarine, secoiridoids from gentian (Gentiana lutea ssp symphyandra), on cultured chicken embryonic fibroblasts
(Georg Thieme Verlag Kg, 2006)Wound healing properties of Gentian (Gentiana lutea ssp. symphyandra) extract and its main constituents, gentiopicroside, sweroside and swertiamarine (compounds 1-3, respectively) were evaluated by comparison with dexpanthenol ... -
Effects of Insulin and St. John's Wort Treatments on Anxiety, Locomotory Activity, Depression, and Active Learning Parameters of Streptozotocin-Diabetic Rats
(Georg Thieme Verlag Kg, 2011)The aim of this work was to investigate the effects of St. John's Wort (SJW) extract treatment on behavioral changes arising in streptozotocin (STZ)-diabetic rats. Plus-maze, activity cage, modified forced swimming, and ... -
Estrogenic activity of isolated compounds and essential oils of Pimpinella species from turkey, evaluated using a recombinant yeast screen
(Georg Thieme Verlag Kg, 2004)Several plants and plant-derived pure compounds, designated as phytoestrogens, have been reported to cause estrogenic effects. They have been used for alleviation of menopausal symptoms, prevention of osteoporosis, heart ... -
Ferulagone: A new monoterpene ester from Ferulago thirkeana essential oil
(Georg Thieme Verlag Kg, 2002)Essential oil obtained by micro-distillation and hydrodistillation of the endemic Ferulago thirkeana (Boiss.) Boiss. (Apiaceae) was analysed by GC/MS. An unknown component isolated from the essential oil was characterized ... -
Hypotensive effects of carvacrol on the blood pressure of normotensive rats
(Georg Thieme Verlag Kg, 2007)Carvacrol is the major compound of essential oils of many plants, ethnomedically used for centuries but there were no detailed investigations on its action on the cardiovascular system. The aim of our study was to investigate ... -
Microwave-Assisted Synthesis of 2,2 '-Azopyridine-Labeled Amines, Amino Acids, and Peptides
(Georg Thieme Verlag Kg, 2016)A microwave-assisted procedure for labeling amines, amino acids, and peptides with 2,2'-azopyridines (2,2'-AzPy) is described using the corresponding 2,2'-azopyridine-diacylbenzotriazoles. The efficiency of the procedure ... -
A new bisabolene derivative from the essential oil of Prangos uechtritzii fruits
(Georg Thieme Verlag Kg, 2000)The fruits of endemic Prangos uechtritzii Boiss. & Hausskn. (Umbelliferae) were subjected to hydrodistillation and microdistillation. The resulting volatiles were investigated by CC-MS to determine the composition of the ... -
A Simple, Mild, and Practical Method for the Esterification and Thioesterification of Anthranilic Acid Utilizing N-(2-Aminobenzoyl)benzotriazole
(Georg Thieme Verlag Kg, 2013)A convenient and efficient method for the preparation of anthranilic esters and anthranilic thioesters has been developed by the treatment of N-(2-aminobenzoyl)benzotriazoles with alcohols and thiols in the presence of ... -
Synthesis and Biological Evaluation of Some New Amide Moiety Bearing Quinoxaline Derivatives as Antimicrobial Agents
(Georg Thieme Verlag Kg, 2015)In this study, we aimed to synthesize some new quinoxaline derivatives bearing amide moiety and to evaluate their antimicrobial activity. A set of 16 novel compounds of N-[2,3-bis(4-methoxy/methylphenyl)quinoxalin-6-yl]- ... -
Synthesis and Evaluation of Anti-acetylcholinesterase Activity of Some Benzothiazole Based New Piperazine-dithiocarbamate Derivatives
(Georg Thieme Verlag Kg, 2015)In this present study some benzothiazole derivatives bearing piperazine and thiocarbamate moieties were synthesized and their potential anticholinesterase properties were investigated. A set of 30 new compounds of ... -
Thioamidoalkylation of 1,3-dicarbonyl compounds, enol silyl ethers, and enamines
(Georg Thieme Verlag Kg, 2007)Novel syntheses of beta-thioamido ketones via thioamidoalkylations of malonates, beta-keto esters, beta-diketones, enol silyl ethers, and enamines with N-(alpha-thioamidoalkyl)benzotriazoles are described.