Ziyanak, Fırat

Profile URL
https://hdl.handle.net/11147/16229
Name Variants
Ziyanak, F
Ziyanak, F.
Ziyanak, Firat
Job Title
Email Address
Main Affiliation
04.01. Department of Chemistry
Status
Former Staff
Website
ORCID ID
Scopus Author ID
25638002300
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID

Sustainable Development Goals

SDG data is not available
Documents

4

Citations

25

h-index

3

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Scholarly Output

6

Articles

4

Views / Downloads

5769/3408

Supervised MSc Theses

1

Supervised PhD Theses

1

WoS Citation Count

33

Scopus Citation Count

25

Patents

0

Projects

0

WoS Citations per Publication

5.50

Scopus Citations per Publication

4.17

Open Access Source

6

Supervised Theses

2

JournalCount
Advanced Synthesis and Catalysis1
Asian Journal of Organic Chemistry1
Synlett1
Tetrahedron1
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Author of Publication: search.filters.isAuthorOfPublication.bc684629-1a86-4ac8-923b-3217fe31b341

Scholarly Output Search Results

Now showing 1 - 6 of 6
  • Article
    Citation - WoS: 11
    Citation - Scopus: 2
    Synthesis of Α,β-Unsaturated Ketones by Rhodium-Catalyzed Carbonylative Arylation of Internal Alkynes With Arylboronic Acids
    (Georg Thieme Verlag, 2008) Ziyanak, Fırat; Aksın Artok, Özge; Ziyanak, Fırat; Artok, Levent; Artok, Levent; Kuş, Melih; 04.01. Department of Chemistry; 04. Faculty of Science; 01. Izmir Institute of Technology
    The Rh-catalyzed reaction of arylboronic acids with internal alkynes under a CO atmosphere in the presence of an acid additive afforded α,β-unsaturated ketones as the major products. Hydroacylation of internal alkynes, except in the case of diaryl acetylenes, proceeded in syn fashion, yielding the E-configured isomer. A mixture of E- and Z-isomers was obtained with diphenyl acetylene. Reactions were also highly regioselective for various nonsymmetric alkynes.
  • Article
    Citation - WoS: 6
    Citation - Scopus: 6
    Palladium-Catalysed Reactions of Conjugated Enyne Oxiranes With Organoborons: a Diastereoselective Method of the Synthesis of 2,4,5-Trienol Derivatives
    (Elsevier, 2017) Ziyanak, Fırat; Kuş, Melih; Ziyanak, Fırat; Artok, Levent; Artok, Levent; Kuş, Melih; 04.01. Department of Chemistry; 04. Faculty of Science; 01. Izmir Institute of Technology
    A palladium-catalysed reaction of conjugated enyne oxiranes with organoboron reagents is described. This method allows aryl-substituted vinylallenes containing a hydroxyl group on the allylic position to be synthesized, with good diastereomeric ratios, under mild conditions.
  • Article
    Citation - WoS: 9
    Citation - Scopus: 10
    Iron-Promoted 1,5-Substitution (sn2' Reactions of Enyne Acetates and Oxiranes With Grignard Reagents
    (Wiley, 2017) Taç, Doğan; Aytaç, İsmet Arınç; Artok, Levent; Kuş, Melih; Ziyanak, Fırat; Kuş, Melih; Ziyanak, Fırat; 04.01. Department of Chemistry; 04. Faculty of Science; 01. Izmir Institute of Technology
    Acetate derivatives of 2-en-4-yne alcohols 1 and enyne oxiranes 4 regioselectively underwent 1,5-substitution (SN2′′) reactions with Grignard reagents in the presence of an iron compound to provide vinylallenes exclusively with the (E)-configuration. An alkali salt was needed to avoid the hydride-promoted reductive 1,5-substitution pathway for 1, whereas no such additive was needed for the effective conversion of 4 into the desired alkylated or arylated vinylallene structure.
  • Doctoral Thesis
    Synthesis of Vinylallenols Via Palladium-Caralyzed Arylation Reactions of (z)-2,4 Oxiranes With Organoborons
    (Izmir Institute of Technology, 2016) Ziyanak, Fırat; Artok, Levent; Ziyanak, Fırat; Artok, Levent; 04.01. Department of Chemistry; 04. Faculty of Science; 01. Izmir Institute of Technology
    Allenes are important functional groups especially in synthetic organic chemistry. Due to their unique reactivity and high level of chirality transfer, allenes can be used as building blocks in the synthesis of complex molecules. In recent decades transition-metal catalyzed synthesis of allenes with organometallic reagents has become attractive method. For the synthesis of functionalized allenes, addition of different nucleophiles with the help of various transition metals to propargylic compounds bearing a leaving group has been mostly used. Transition metals are crucial for these reactions for shifting them from SN2 to SN2’ for the formation of allenes. Within the context of this research, a novel palladium-catalyzed arylation reactions of (Z)-2,4-enyne oxiranes with organoborons have been investigated. As a result of the 1,5-substitution reaction, aryl-substituted vinylallenes bearing a hydroxyl group on the allylic position (7-aryl-3,5,6-trien-2-ol) were obtained in high yields and diastereoselectivities. We were able to also disclose that Diels-Alder adducts could be obtained with excellent endo and facial selectivities when the vinylallen types of this study were reacted with dienophiles.
  • Master Thesis
    Rhodium-Catalysed Alkoxycarbonylative Cyclisation Reactions of 1,6-Enynes
    (Izmir Institute of Technology, 2010) Ziyanak, Fırat; Artok, Levent; Ziyanak, Fırat; Artok, Levent; 04.01. Department of Chemistry; 04. Faculty of Science; 01. Izmir Institute of Technology
    Transition metal-catalyzed carbonylation reactions of unsaturated systems that contain alkynyl moiety became usually used methodology for the synthesis of biologically active .,. unsaturated carbonyl compounds (Mise et. al., 1983, Yoneda et. al., 1999, Artok et. al., 2009). One type of these reactions is the alkoxycarbonylation reaction of unsaturated systems for the C-C bond formation with transition metals in the presence of alcohol and CO (Scrivanti et. al., 1998). In literature beside alkynes enyne molecules that contain more than one unsaturated moiety could also undergo transition metal-catalyzed carbonylation reactions (Rivero et. al., 2003, Shibata, 2006). Pauson-Khand reactions are well known and used reactions in literature for enyne molecules These type of reactions are transition metal-catalyzed carbonylative cyclization reactions of enyne molecules. However in literature there is no such an example for the alkoxycarbonylative reactions of 1,6-enynes. In this study rhodium-catalyzed alkoxycarbonylative cyclization reactions of 1,6 enyne molecules in the presence of alcohol and CO was performed.
  • Article
    Citation - WoS: 7
    Citation - Scopus: 7
    Rhodium-Catalysed Alkoxycarbonylative Cyclisation Reactions of 1,6-Enynes
    (John Wiley and Sons Inc., 2011) Ziyanak, Fırat; Kuş, Melih; Kuş, Melih; Artok, Levent; Ziyanak, Fırat; 04.01. Department of Chemistry; 04. Faculty of Science; 01. Izmir Institute of Technology
    The rhodium-catalysed carbonylation of 1,6-enynes possessing an electron-deficient alkenyl moiety in an alcohol reagent in the presence of a rhodium complex proceeded stereo- and chemoselectively to afford exocyclic α,β-enoates.