Search Results - "Taşdemir, Volkan"

Synthesis of N‐ureido Pyrrole Derivatives Through Gold‐Catalysed Reaction: Solvent and Catalyst Effect by Taşdemir, Volkan

“…Substituted pyrroles were obtained as a result of metal‐catalyzed cyclization of α propargyl acetophenone and α‐propargyl‐β‐ketoesters with semicarbazide…”
Get full text

Synthesis of imidazo-1,4-oxazinone derivatives and investigation of reaction mechanism by TAŞDEMİR, Volkan

“…In this study, nine different C-2 aroyl imidazole derivatives were synthesized in a one pot reaction with two steps, and the reduction reactions of these…”
Get full text

Gold-catalyzed cyclization of unconjugated ynone derivatives for 2H-1,2-oxazine and 1-hydroxypyrrole skeletons through one-pot and single-step strategy by Taşdemir, Volkan, Menges, Nurettin

“…Unconjugated ynone derivatives with the 1,3-dicarbonyl structure are synthesized, and they are directly subjected to gold-catalyzed reaction with hydroxylamine…”
Get full text

Crystal structure and Hirshfeld surface analysis of a Schiff base: ( Z )-6-[(5-chloro-2-methoxyanilino)methylidene]-2-hydroxycyclohexa-2,4-dien-1-one by Demir Kanmazalp, Sibel, Doĝan, Onur Erman, Taşdemir, Volkan, Dege, Necmi, Aĝar, Erbil, Fritsky, Igor O.

“…The title compound, C 14 H 12 ClNO 3 , is a Schiff base that exists in the keto–enamine tautomeric form and adopts a Z configuration. In the crystal, the…”
Get full text

Gold‐catalyzed Cyclization of Non‐conjugated Ynone‐oxime Derivatives: Incorporation of Solvent Molecule by Taşdemir, Volkan, Menges, Nurettin

“…Auııı‐promoted cyclization reaction of ynone‐oxime derivatives furnished 4H‐1,2‐oxazine ring under mild reaction conditions. When an alcohol is present in the…”
Get full text

Characterisation and functional roles of a highly branched dextran produced by a bee pollen isolate Leuconostoc mesenteroides BI-20 by Yilmaz, Mustafa Tahsin, İspirli, Hümeyra, Taylan, Osman, Taşdemir, Volkan, Sagdic, Osman, Dertli, Enes

“…Lactic Acid Bacteria (LAB) from different niches can be responsible for the production of distinct exopolysaccharides (EPS) that might possess important…”
Get full text

Cover Feature: Gold‐catalyzed Cyclization of Non‐conjugated Ynone‐oxime Derivatives: Incorporation of Solvent Molecule (Asian J. Org. Chem. 12/2020) by Taşdemir, Volkan, Menges, Nurettin

“…Cyclization of ynone‐oximes with a gold catalyst to obtain new 4H‐1,2‐oxazines was reported. During cyclization, alcohol derivatives are specifically and…”
Get full text

Clinical and Prognostic Evaluation of Myelin Oligodendrocyte Glycoprotein Autoimmunity in the Central Nervous System by Taşdemir, Volkan, Kürtüncü, Murat

“…In 10-50% of patients with neuromyelitis optica (NMO) spectrum disease, anti-aquaporin 4 (anti-AQP4) antibody is observed to be negative (1). Anti-myelin…”
Get full text

The Characteristics and Long-Term Course of Epilepsy in Lipoid Proteinosis: A Spectrum From Mild to Severe Seizures in Relation to ECM1 Mutations by Oguz Akarsu, Emel, Dinçsoy Bir, Firdevs, Baykal, Can, Taşdemir, Volkan, Kara, Bülent, Bebek, Nerses, Gürses, Candan, Uyguner, Oya, Baykan, Betül

“…Lipoid proteinosis (LP) is a rare autosomal recessive disease characterized by deposition of hyaline material in skin and mucosae. Epilepsy, as an…”
Get full text

Crystal structure and Hirshfeld surface analysis of a Schiff base: (Z)-6-(5-chloro-2-meth-oxy-anilino)methyl-idene-2-hy-droxy-cyclo-hexa-2,4-dien-1-one by Demir Kanmazalp, Sibel, Doĝan, Onur Erman, Taşdemir, Volkan, Dege, Necmi, Aĝar, Erbil, Fritsky, Igor O

“…The title compound, C14H12ClNO3, is a Schiff base that exists in the keto-enamine tautomeric form and adopts a Z configuration. In the crystal, the dihedral…”
Get full text

Crystal structure and Hirshfeld surface analysis of a Schiff base: ( Z )-6-[(5-chloro-2-meth-oxy-anilino)methyl-idene]-2-hy-droxy-cyclo-hexa-2,4-dien-1-one by Demir Kanmazalp, Sibel, Doĝan, Onur Erman, Taşdemir, Volkan, Dege, Necmi, Aĝar, Erbil, Fritsky, Igor O

“…The title compound, C H ClNO , is a Schiff base that exists in the keto-enamine tautomeric form and adopts a configuration. In the crystal, the dihedral angle…”
Get full text

Cortical Laminar Necrosis Following the Rapid Correction of Hyponatremia-A Case Report (2545) by TASDEMIR, VOLKAN, Gunduz, Tuncay, Kurtuncu, Murat

“…Abstract only…”
Get full text

TH-152. Phrenic nerve examination in healthy individuals and patients with Guillain-Barré Syndrome by Tasdemir, Volkan, Sirin, Görkem, Kocasoy Orhan, Elif, Emre Oge, Ali

Get full text

Clinical and Prognostic Evaluation of Myelin Oligodendrocyte Glycoprotein Autoimmunity in the Central Nervous System/Merkezi Sinir Sisteminde Miyelin Oligodendrosit Glikoprotein Otoimmunitesinin Klinik ve Prognostik Acidan Degerlendirilmesi by Tasdemir, Volkan, Kurtuncu, Murat

“…Keywords: Anti-MOG, neuromyelitis optica, autoimmunity, demyelinating diseasesAnahtar Kelimeler: Anti-MOG, noromiyelitis optika, otoimmunite, demiyelinizan…”
Get full text

TH-153. Clinical and electrophysiological characteristics of Guillain-Barré Syndrome before and during the pandemic: The multicenter Istanbul study by Görkem Sirin, Nermin, Tasdemir, Volkan, Cakar, Arman, Culha, Ayla, Soysal, Aysun, Deniz Elmali, Ayse, Gündüz, Aysegül, Yalcin, Destina, Atakli, Dilek, Kocasoy Orhan, Elif, Tüzün, Erdem, Gözke, Eren, Gürsoy, Esra, Karaali Savrun, Feray, Ilgen Uslu, Ferda, Aysal, Fikret, Durmus, Hacer, Bülbül, Hafsa, Ertas, F.Inci, Uluc, Kayıhan, Tutkavul, Kemal, Baysal, Leyla, Baris Baslo, Mehmet, Kiziltan, Meral, Mercan, Metin, Pazarci, Nevin, Uzun, Nurten, Akan, Onur, Cokar, Ozlem, Kahraman Koytak, Pinar, Sürmeli, Reyhan, Günaydin, Sefer, Ayas, Selahattin, Alpaydın Baslo, Sezin, Yayla, Vildan, Yilmaz, Vuslat, Parman, Yesim, Matur, Zeliha, Unlüsoy Acar, Zeynep, Emre Oge, Ali

Get full text

Electrodiagnostic methods to verify Guillain‐Barré syndrome subtypes in Istanbul: A prospective multicenter study by Tasdemir, Volkan, Sirin, Nermin Gorkem, Cakar, Arman, Culha, Ayla, Soysal, Aysun, Elmali, Ayse Deniz, Gunduz, Aysegul, Arslan, Beyza, Yalcin, Destina, Atakli, Dilek, Orhan, Elif Kocasoy, Sanli, Elif, Tuzun, Erdem, Gozke, Eren, Gursoy, Esra, Savrun, Feray Karaali, Uslu, Ferda Ilgen, Aysal, Fikret, Durmus, Hacer, Bulbul, Hafsa, Ertas, F. Inci, Uluc, Kayihan, Tutkavul, Kemal, Baysal, Leyla, Baslo, Mehmet Baris, Kiziltan, Meral, Mercan, Metin, Pazarci, Nevin, Uzun, Nurten, Akan, Onur, Cokar, Ozlem, Koytak, Pinar Kahraman, Sürmeli, Reyhan, Gunaydin, Sefer, Ayas, Selahattin, Baslo, Sezin Alpaydin, Yayla, Vildan, Yilmaz, Vuslat, Parman, Yesim, Matur, Zeliha, Acar, Zeynep Unlusoy, Oge, Ali Emre

“…Background and Aims This study aimed to identify the clinical characteristics and electrodiagnostic subtypes of Guillain‐Barré syndrome (GBS) in Istanbul…”
Get full text