Bölüm "Fakülteler, Fen Edebiyat Fakültesi, Kimya Bölümü" Meslek Yüksekokulları için listeleme
Toplam kayıt 15, listelenen: 1-15
-
Antioxidant Activity of Extracts of Soursop (Annona muricata L.) Leaves, Fruit Pulps, Peels, and Seeds
(Inst Animal Reproduction & Food Research Polish Acad Sciences Olsztyn, 2019)The total phenolic content (TPC), total flavonoid content (TFC), and the antioxidant activity of soursop (Annona muricata L.) leaf, fruit pulp, seed, and peel extracts obtained using successive extraction with hexane (Hxn), ... -
Antioxidant activity of five new phenolic compounds from Cirsium creticum subsp. creticum
(Elsevier Science Bv, 2019)In this study, five new alkyl catechol derivatives, 1, 2, 3, 4 and 5 were isolated for the first time from Cirsium creticum subsp. creticum L. and their structures were determined by using spectroscopic techniques, including ... -
Antioxidant and antidiabetic activities of hexane extract of Genista januensis var. lydia
(Bulgarska Akademiya na Naukite, 2022)The genus Genista L. (Fabaceae) has been of interest for human beings since ancient times with its cosmopolitan distribution. Since ?-amylase and ?-glucosidase are the chief enzymes of diabetes mellitus, this study aims ... -
BIOACTIVE COMPOUNDS, ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES OF TWO Cirsium SPECIES
(Wydawnictwo Akad Rolniczej W Lublinie, 2019)In the GC-MS analysis, 81 bioactive phytochemical compounds were identified in hexane extracts of Cirsium creticum and Cirsium italicum. Terpenoids constituted the main fractions of C. italicum (70.95%), while hydrocarbons ... -
Biological activity of new flavonoids and phenolic compounds from Cirsium italicum (Savi) DC.
(Taylor & Francis Ltd, 2021)Cirsium italicum (Savi) DC. was researched for its phytochemicals for the first time. Two new biflavonoids, 5,5'',7''-trihydroxy-3,7-dimethoxy-4'-4'''-O-biflavone (3), (8,3',4',5'-tetrahydroxy-7-O-alpha-glucosyl ... -
Cycloaddition of Enamines with 1,4-Dimethoxy-2-butyne and 2-Butyne-1,4-diol Mediated by Titanium Tetrachloride
(Taylor & Francis Inc, 2018)[No Abstract Available] -
Facile synthesis of the azocino[4,3-b]indole framework of strychnopivotine and other Strychnos alkaloids
(Springer, 2016)A new synthetic route to the 1,5-methanoazocino[4,3-b]indole is described. The aim of the present study is to provide a tetracyclic skeleton for the synthesis of pentacyclic Strychnos alkaloids (tubifolidine and ... -
Free Radical Scavenging Capacity and Antibacterial Activity of Wild Cirsium creticum from Turkey
(Assoc Pharmaceutical Teachers India, 2017)Background: In recent years, there is increasing interest the using of herbal extracts derived from plants in medicine and as a dietary supplements. Objective: We aimed the determination of the antioxidant and antibacterial ... -
Investigation of Antioxidant Activity and Fatty Acid Contents of Solanum dulcamara
(Springer, 2017)The fatty acid compositions of the leaves and fruit of Solanum dulcamara were determined by gas chromatography. The leaf oil of S. dulcamara is remarkably rich in linolenic acid. Among the S. dulcamara extracts, according ... -
Investigation of Some Antibacterial and Antioxidant Properties of Wild Cirsium vulgare from Turkey
(Assoc Pharmaceutical Teachers India, 2017)Background: Cirsium vulgare (Savi) Ten; belongs the Asteraceae family and has common uses in some countries folk medicine. Objective: In this study, the determination of some antioxidant and antimicrobial properties of C. ... -
A new pyran derivative analog from the whole plant of Cirsium italicum
(Taylor & Francis Ltd, 2021)The aim of the present article was to analyze the phytochemical composition of EtOAc extract ofCirsium italicum(Savi) DC. and to determine the antioxidant activity of a new compound1. The EtOAc extract ofC. italicumwas ... -
New Route to 20-Deethyldasycarpidone by Ring-Closure with DDQ
(Taylor & Francis Inc, 2014)[No Abstract Available] -
A novel synthesis of octahydropyrido[3,2-c]carbazole framework of aspidospermidine alkaloids and a combined computational, FT-IR, NMR, NBO, NLO, FMO, MEP study of the cis-4a-Ethyl-1(2hydroxyethyl)-2,3,4,4a,5,6,7,11c-octahydro-1H-pyrido[3,2-c] carbazole
(Elsevier, 2018)In this study, we performed a novel synthesis of the octahydropyrido[3,2-c]carbazole derivative 6 from 1 in five steps with a 34% overall yield. We also developed a unique compound 2 by a cyclization reaction from the ... -
Reactions of Methyl Acetylenecarboxylate with Heterocyclic Enamines: [2+2] Cycloadditions in Polar and Non-Polar Solvents
(Asian Journal Of Chemistry, 2014)In this study, enamines of cyclic ketones reacting with methyl acetylenecarboxylate to produce intermadiate cyclobutene adducts have been isolated. Reactions of methyl acetylenecarboxylate with enamines derived from ... -
Selective oxidative deoximation with anhydrous Ce(IV) sulfate
(Pergamon-Elsevier Science Ltd, 2015)Anhydrous Ce(SO4)(2) in chloroform selectively converts oximes into the parent carbonyl compounds in good yields. Hammett correlations helped to indicate a plausible mechanism for the above reaction. The formation of ...