Search Results - "Küçük, Hatice Başpınar"

Asymmetric Brønsted Acid Catalyzed Cycloadditions-Efficient Enantioselective Synthesis of Pyrazolidines, Pyrazolines, and 1,3-Diamines from N-Acyl Hyrazones and Alkenes by Rueping, Magnus, Maji, Modhu Sudan, Küçük, Hatice Başpınar, Atodiresei, Iuliana

“…A general, metal‐free, highly enantioselective Brønsted acid catalyzed [3+2] cycloaddition between hydrazones and alkenes has been developed that affords…”
Get full text

Cytotoxic Activity and Docking Studies of 2-arenoxybenzaldehyde N-acyl Hydrazone and 1,3,4-Oxadiazole Derivatives against Various Cancer Cell Lines by Aydın, Esranur, Şentürk, Ahmet Mesut, Küçük, Hatice Başpınar, Güzel, Mustafa

“…To understand whether previously synthesized novel hydrazone and oxadiazole derivatives have promising anticancer effects, docking studies and in vitro…”
Get full text

Mechanism and Selectivity of N‑Triflylphosphoramide Catalyzed (3+ + 2) Cycloaddition between Hydrazones and Alkenes by Hong, Xin, Küçük, Hatice Başpınar, Maji, Modhu Sudan, Yang, Yun-Fang, Rueping, Magnus, Houk, K. N

“…Brønsted acid catalyzed (3+ + 2) cycloadditions between hydrazones and alkenes provide a general approach to pyrazolidines. The acidity of the Brønsted acid is…”
Get full text

Transition-metal-free intramolecular Friedel-Crafts reaction by alkene activation: A method for the synthesis of some novel xanthene derivatives by Yıldız, Tülay, Baştaş, İrem, Başpınar Küçük, Hatice

“…In this work, new derivatives (substituted 9-methyl-9-arylxanthenes) of xanthene compounds ( ) of possible biological significance were synthesized by…”
Get full text

Intramolecular Friedel–Crafts Reaction with Trifluoroacetic Acid: Synthesizing Some New Functionalized 9‑Aryl/Alkyl Thioxanthenes by Deniz, Hakan, Yıldız, Tülay, Başpınar Küçük, Hatice

“…In this study, a series of halogen-substituted thioxanthenes were synthesized because the most important and biologically active derivatives of xanthenes are…”
Get full text

New Strategy for the Synthesis of Some Valuable Chiral 1,3-Diols with High Enantiomeric Purity: New Organocatalyst, Asymmetric Aldol Reaction, and Reduction by Yıldız, Tülay, Hasdemir, Belma, Yaşa, Hasniye, Başpınar Küçük, Hatice

“…Chiral 1,3-diols are highly valuable molecules used in industries such as pharmaceuticals, cosmetics, and agriculture. Therefore, in this study, a new strategy…”
Get full text

Novel N‑Acyl Hydrazone Compounds as Promising Anticancer Agents: Synthesis and Molecular Docking Studies by Biliz, Yağmur, Hasdemir, Belma, Başpınar Küçük, Hatice, Zaim, Merve, Şentürk, Ahmet Mesut, Müdüroğlu Kırmızıbekmez, Aynur, Kara, İhsan

“…In this study, a new series of N-acyl hydrazones 7a-e, 8a-e, and 9a-e, starting from methyl δ-oxo pentanoate with different substituted groups 1a-e, were…”
Get full text

Synthesis and biological activity of new 1,3-dioxolanes as potential antibacterial and antifungal compounds by Küçük, Hatice Baspinar, Yusufoglu, Ayse, Mataraci, Emel, Dösler, Sibel

“…A series of new enantiomerically pure and racemic 1,3-dioxolanes 1-8 was synthesized in good yields and short reaction times by the reaction of salicylaldehyde…”
Get full text

Synthesis of New Chiral and Racemic 1,3-Dioxolanes by Küçük, Hatice Başpınar, Yusufoğlu, Ayşe

“…A series of chiral 1,3‐dioxolanes, 3–12, with >99% ee values, have been synthesized. This is the first study of chiral ketalization reaction starting from…”
Get full text

Practical synthesis of 2,5-disubstituted 1,3-dioxolane-4-ones and highly diastereoselective cis-2,5-disubstituted 1,3-dioxolane-4-ones from α-hydroxy acids catalyzed by N-triflylphosphoramide by Küçük, Hatice Başpınar

“…[Display omitted] N-triflylphosphoramide (NTPA) was found to be an efficient Brønsted acid catalyst for the practical synthesis of 2,5-disubstituted…”
Get full text

Synthesis of new pyrazolidines by [3+2] cycloaddition: Anticancer, antioxidant activities, and molecular docking studies by Biliz, Yağmur, Hasdemir, Belma, Küçük, Hatice Başpınar, Yıldırım, Sümbül, Kocabaş, Fatih, Kartop, Remziye Azra

“…•A series of novel pyrazolidine derivatives were synthesized by [3 + 2] cycloaddition.•All synthesized pyrazolidine compounds were evaluated for their…”
Get full text

Design and synthesis of novel cylopentapyrazoles bearing 1,2,3-thiadiazole moiety as potent antifungal agents by Giray, Betül, Karadağ, Ayşe Esra, İpek, Özgecan Şavluğ, Pekel, Hanife, Güzel, Mustafa, Küçük, Hatice Başpınar

“…[Display omitted] •A new series of cylopentapyrazole bearing a 1,2,3-thiadiazole ring was designed and synthesized.•[3 + 2] cycloaddition with 4-methyl-[1,2,3]…”
Get full text

Asymmetric Synthesis of Chiral γ‐ and δ‐Amino Esters Using Trichlorosilane Activated with a Lewis Base Catalyst by Hasdemir, Belma, Yaşa, Hasniye, Yıldız, Tülay, Küçük, Hatice Başpınar, Onar, Hülya Çelik

“…Novel chiral γ‐ and δ‐ amino esters 2 a–k were synthesized by enantioselective reduction of N‐aryl γ‐ and δ‐imino esters with aryl, substituted aryl, and…”
Get full text

Detailed studies on the reduction of aliphatic 3-, 4-, 6-, and 13-oximino esters: Synthesis of novel isomeric amino esters, oximino alcohols, and amino alcohols by Başpınar Küçük, Hatice, Yaşa, Hasniye, Yıldız, Tülay, Yusufoğlu, Ayşe Sergüzel

“…The preparation of novel 3-, 4-, 6-, and 13-amino-tetradecanoic acid methyl esters (2a-d) obtained by the reduction of 3-, 4-, 6-, and 13-oximino-tetradecanoic…”
Get full text

Synthesis of novel 1,2,3-thiadizoles and 1,2,3-selenadiazoles as new antimicrobial agents by Başpınar Küçük, Hatice, Banu Salt, Zeynep, Mataracı Kara, Emel, Sayık Mehan, Aysema, Yusufoğlu, Ayşe Sergüzel

“…A series of novel 1,2,3-thiadiazoles and 1,2,3-selenadiazoles having a long alkyl chain were synthesized by reacting semicarbazones with SOCl 2 and SeO 2 ,…”
Get full text

Antibacterial and anti-biofilm activities of new chiral and racemic 1,3-Dioxolanes by Döşler,Sibel, Mataracı,Emel, Başpınar-Küçük,Hatice, Sergüzel Yusufoğlu,Ayşe

“…We investigated the potential anti-microbial and anti-biofilm activities of previously synthesized 1,3-dioxolane derivatives against several pathogen…”
Get full text

Asymmetrische Brønsted-Säure-katalysierte Cycloadditionen - effiziente enantioselektive Synthese von Pyrazolidinen, Pyrazolinen und 1,3-Diaminen aus N-Acylhydrazonen und Alkenen by Rueping, Magnus, Maji, Modhu Sudan, Küçük, Hatice Başpınar, Atodiresei, Iuliana

Get full text

Asymmetrische Brønsted‐Säure‐katalysierte Cycloadditionen – effiziente enantioselektive Synthese von Pyrazolidinen, Pyrazolinen und 1,3‐Diaminen aus N ‐Acylhydrazonen und Alkenen by Rueping, Magnus, Maji, Modhu Sudan, Küçük, Hatice Başpınar, Atodiresei, Iuliana

Get full text

Synthesis, ($E)$/($Z)$-isomerization, and DNA binding, antibacterial, and antifungal activities of novel oximes and $O$-substituted oxime ethers by BAŞPINAR KÜÇÜK, Hatice, YUSUFOĞLU, Ayşe Sergüzel, AÇIK, Leyla, AYDIN, Betül, ARSLAN, Leyla

Get full text

Enantioselective synthesis of 3-hydroxytetradecanoic acid and its methyl ester enantiomers as new antioxidants and enzyme inhibitors by Kücük, Hatice Baspinar, Yusufoğlu, Ayşe

“…Optically pure R and S enantiomers of 3-hydroxytetradecanoic acid and its methyl esters were synthesised by porcine pancreas lipase catalysed hydrolysis of…”
Get full text