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Synthesis, characterization and cyclization reactions of some new bisthiosemicarbazones 

Er, Mustafa; Ünver, Yasemin; Sancak, Kemal; Değirmencioğlu, İsmail; Karaoğlu, Şengül Alpay (Arkat, 2009)
The reaction of trans-1, 4-dichloro-2-butene 1 with selected phenols affords (E)-1, 4-bis(aryloxy)-2-butenes 2a-d which are converted into bis-thiosemicarbazones 3a-h via the reactions with thiosemicarbazide and 4-methyl ...
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Chemical constituents and antimicrobial activities of the essential oils from Sedum pallidum var. bithynicum and S. spurium grown in Turkey 

Yaylı, Nuretin; Yaşar, Ahmet; İskender, Nagihan Yılmaz; Yaylı, Nuran; Cansu, Tayyibe Beyza; Coşkunçelebi, Kamil; Karaoğlu, Şengül Alpay (Taylor&Francis LTD., 2010)
Chemical compositions of the essential oil of Sedum pallidum Bieb. var. bithynicum (Boiss.) and S. spurium Bieb. (Crassulaceae) from Turkey were investigated by GC-MS, and antimicrobial activity of the oil samples were ...
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Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives 

Bektaş, Hakan; Karaali, Nesrin; Şahin, Deniz; Demirbaş, Ahmet; Karaoğlu, Şengül Alpay; Demirbaş, Neslihan (MDPI, 2010)
Some novel 4,5-disubstituted-2,4-dihydro-3H-1,2,4-triazol-3-one (3, 6, 8, 9) derivatives and or 3-(4-methylphenyl)[1,2,4]triazolo[3,4-b][1,3]benzoxazole (5) were synthesized from the reaction of various ester ethoxycarbo ...
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Chemical composition and antimicrobial activity of the essential oils of five Scrophularia L. Species from Turkey 

Renda, Gülin; Kalaycı, Yalçın; Korkmaz, Büşra; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2017)
The essential oils of the five Scrophularia species; Scrophularia chrysantha Jaub. et Spach, Scrophularia kotschyana Benth., Scrophularia olympica Boiss., Scrophularia cinerascens Boiss. and Scrophularia zuvandica Grossh. ...
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Synthesis and biological evaluation of a new series of 4-alkoxy-2-arylquinoline derivatives as potential antituberculosis agents 

Tosun, Gonca; Arslan, Tayfun; İskefiyeli, Zeynep; Küçük, Murat; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2015)
Three new series of 33 quinolone compounds, 2-(2-, 3-, and 4-fluorophenyl)-4-O-alkyl(C5−15) quinolines (7a– k, 8a–k, and 9a–k), were synthesized from 2-(2-, 3-, and 4-fluorophenyl)-2,3-dihydroquinolin-4(1H )-one (4, ...
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Antibacterial activity of bryophyte species against Paenibacillus larvae isolates 

Sevim, Elif; Baş, Yıldız; Çelik, Gonca; Pınarbaş, Müberra; Bozdeveci, Arif; Özdemir, Turan; Karaoğlu, Şengül Alpay; Akpınar, Rahşan (2017)
This study was performed to determine the antibacterial activity of methanol extracts of 23 bryophyte species against Paenibacillus larvae isolates that cause American foulbrood diseases in honeybee larvae. The honey and ...
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In vitro evaluation of antimicrobial features of vasopressors 

Bostan, Habib; Tomak, Yakup; Karaoğlu, Şengül Alpay; Erdivanlı, Başar; Hancı, Volkan (Elsevier Editora Ltda, 2014)
Background: Drugs administered as intravenous infusion may be contaminated during several stages of production or preparation. However studies focusing on antibacterial effects of vasopressor drugs are very rare. This study ...
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Chemical composition and antimicrobial activity of essential oils from tortella inclinata var. Densa, T. Tortusa and pleurochaete squarrosa 

Tosun, Gonca; Yaylı, Büşra; Özdemir, Turan; Batan, Nevzat; Yaylı, Nurettin; Karaoğlu, Şengül Alpay (Chemical Publishing Co., 2014)
Although some chemical compositional data are available about the extracts of Tortella tortusa and Pleurochaete squarrosa, there is no investigation about the compositions and antimicrobial activities of the volatiles from ...
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Essential oil analysis and antimicrobial activity of neckera complanata (Hedw.) huebener and neckera crispa Hedw. (Neckeraceae) grown in Turkey 

Cansu, Tayyibe Beyza; Özdemir, Turan; Batan, Nevzat; Yaylı, Büşra; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2014)
In this work, the essential oils obtained by hydrodistillation from Neckera complanata (Hedw.) Huebener and Neckera crispa Hedw (Neckeraceae) were analyzed by GC-FID and GC-MS. Twenty-one compounds in the oil of N. complanata, ...
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Synthesis of novel symmetrical 1,4-disubstituted 1,2,3-bistriazole derivatives via 'click chemistry' and their biological evaluation 

Düğdü, Esra; Unluer, Dilek; Çelik, Fatih; Sancak, Kemal; Karaoğlu, Şengül Alpay; Özel, Arzu (Mdpi, 2016)
A series of symmetric bis-1,2,3-triazole compounds 2-5(a-f) were synthesized as potential antioxidant agents via click chemistry. Their structures were confirmed by H-1-NMR and C-13-NMR. All of the synthesized compounds ...
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Karaoğlu, Şengül Alpay (149)
Yaylı, Nurettin (41)Bozdeveci, Arif (38)Demirbaş, Neslihan (19)Akpınar, Rahşan (15)Aliyazıcıoğlu, Rezzan (15)Demirbaş, Ahmet (15)Bayrak, Hacer (14)Kahriman, Nuran (13)Cebeci, Yıldız Uygun (12)... View MoreSubjectAntimicrobial activity (54)Essential oil (15)GC-MS (15)1,2,4-Triazole (12)Antimicrobial (12)Antioxidant (9)Mannich base (7)Paenibacillus larvae (6)Schiff base (6)1,2,4-triazole (5)... View MorePublication Typearticle (145)bookPart (1)conferenceObject (1)letter (1)other (1)Languageeng (145)tur (3)por (1)Publication CategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı (140)Makale - Ulusal Hakemli Dergi - Kurum Öğretim Eleman (5)Diğer (1)Kitap Bölümü - Uluslararası (1)Konferans Öğesi - Uluslararası - Kurum Öğretim Elemanı (1)... View MoreAccess Typeinfo:eu-repo/semantics/closedAccess (83)info:eu-repo/semantics/openAccess (64)info:eu-repo/semantics/copenAccess (1)info:eu-repo/semantics/OPENAccess (1)Date Issued2020 - 2025 (59)2010 - 2019 (78)2007 - 2009 (12)Has File(s)Yes (134)No (15)

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