Výsledky vyhledávání - "Ehsan Khatamifar"

A divergent McMurry coupling of the bis-salisaldehyde with methylene linker: The characterization of a key by-product with the possible pathway formation

Autor: Ali Sharifi, Ehsan Khatamifar, Khosrow Jadidi, Kioumars Aghapoor, Hossein Reza Darabi

Publikováno v: Synthetic Communications. 47:428-434

The McMurry coupling of a bis-salisaldehyde 3a with methyl linker as the smallest member of its alkyl series is known to give the remarkably lower yield of the corresponding stilbenophanes. The half part of this molecule, unlike bigger analogues, is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a024b6057c1ac6f84ffb1f266d5a6de7
https://doi.org/10.1080/00397911.2016.1265984

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Heterogeneous SnCl2/SiO2versus Homogeneous SnCl2Acid Catalysis in the Benzo[N,N]-heterocyclic Condensation

Autor: Leila Ebadinia, Kioumars Aghapoor, Hossein Reza Darabi, Ali Aghaee, Shiva Talebian, Mohammad Reza Jalali, Ehsan Khatamifar, Farshid Mohsenzadeh

Publikováno v: Bulletin of the Korean Chemical Society. 32:213-218

Due to the detrimental effects of corrosive protic acids and toxic Lewis acids on the environment and stringent environ-mental laws and regulations set up by the governments, the use of eco-friendly and reusable heterogeneous solid acid catalysts has

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5b501337beffafef3e7680183abe06c
https://doi.org/10.5012/bkcs.2011.32.1.213

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Practical and theoretical aspects of Wacker oxidation of tolanophanes: Synthesis and characterization of novel diketonic cyclophanes

Autor: Saeed Rastgar, Ehsan Khatamifar, Rohoullah Firouzi, Hani Sayahi, Kioumars Aghapoor, Hossein Reza Darabi

Publikováno v: Applied Organometallic Chemistry. 31:e3812

Novel cyclophanes having 1,2-diketones 2a–c were synthesized by Wacker oxidation of the corresponding tolanophanes 1a–c having various alkyl chain lengths (n = 2–4). Among them, tolanophane 1a with the shortest alkyl chain length (n = 2) having

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff5658884809edb0fe80ad97fe15b863
https://doi.org/10.1002/aoc.3812

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ChemInform Abstract: Heterogeneous SnCl2/SiO2 versus Homogeneous SnCl2 Acid Catalysis in the Benzo[N,N]-heterocyclic Condensation

Autor: Ehsan Khatamifar, Leila Ebadinia, Ali Aghaee, Mohammad Reza Jalali, Farshid Mohsenzadeh, Kioumars Aghapoor, Hossein Reza Darabi, Shiva Talebian

Publikováno v: ChemInform. 42

Silica-supported stannous chloride shows high catalytic activity in the synthesis of fused pyrazine derivatives via condensation of o-diaminoarenes with appropriate 1,2-dicarbonyl compounds.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06557b8e3cc3b5fe80f0aa2fc9da4ca3
https://doi.org/10.1002/chin.201122178

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