Zobrazeno 1 - 10 of 87 pro vyhledávání: '"Hassan Tajik"'
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Akademický článek
The enantioselective b-keto ester reductions by Saccharomyces cerevisiae
Autor: HASSAN TAJIK, KHALIL TABATABAEIAN, MAHMOOD SHAHBAZI
Publikováno v: Journal of the Serbian Chemical Society, Vol 71, Iss 8-9, Pp 889-894 (2006)
The enantioselective yeast reduction of aromatic b-keto esters, by use of potassium dihydrogen phosphate, calcium phosphate (monobasic), magnesium sulfate and ammonium tartrate (diammonium salt) (10:1:1:50) in water at pH 7 as a buffer for 72–120 h
Externí odkaz: https://doaj.org/article/1d35a2f9933e4d9d922b8c07e9c03579
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5
Morpholine Stabilized on Nano Silica Sulfuric Acid: A Reusable Catalyst for the Synthesis of Two Important Derivatives (Thio) Barbituric Acid
Autor: Rodabeh Kakavand, Seyyedeh Cobra Azimi, Omid Gholi Jolodar, Farhad Shirini, Hassan Tajik
Publikováno v: Polycyclic Aromatic Compounds. :1-15
In this work, morpholine was stabilized on nano silica sulfuric acid. The stabilization process was confirmed using Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and thermogravimetric techniques. The obtain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebb176ccff666b10fb29ea4af4c872a2
https://doi.org/10.1080/10406638.2022.2092879
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6
Synthesis of 1,8-Dioxo-octahydro-xanthene and Tetrahydrobenzo[b]pyran Derivatives Promoted by two Bis-imidazolium-based Ionic Liquids
Autor: Mitra Nasiri, Maryam Shirzad, Farhad Shirini, Hassan Tajik, Nader Daneshvar
Publikováno v: Current Organocatalysis. 9:102-116
Aim and objective: In this work, we have prepared two bis-dicationic ionic liquids with the same cationic core (Bis-imidazole) and different counter-anions using sulfuric acid and perchloric acids. After that, the efficiency and ability of these comp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ffd1306f27e7a0b375ab33792d764a6
https://doi.org/10.2174/2213337208666210726141934
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7
Succinimidium perchlorate as a novel and efficient Brönsted acidic ionic liquid promoter for the synthesis of 5-arylidene barbituric acid and pyrano[2,3-d] pyrimidinone derivatives
Autor: Farhad Shirini, Sara Haghpanah-Kouchesfehani, Zahra Azizi, Nader Daneshvar, Hassan Tajik
Publikováno v: Current Organocatalysis. 10
INTRODUCTION: In this article, succinimidinium perchlorate as a new acidic ionic liquid catalyst was prepared and used to synthesize 5-arylidene barbituric acid and pyrano[2,3-d]pyrimidinone derivatives. METHOD: These two derivatives of barbituric ac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e44c3959fb1f90d18ee69198698ee9f
https://doi.org/10.2174/2213337210666230420100001
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