نتایج جستجو برای: 2,4,5-triaryl-1H-imidazole

تعداد نتایج: 42287  

2010
Santosh V. Nalage Mohan B. Kalyankar Vijay S. Patil Sidhanath V. Bhosale Satish U. Deshmukh Rajendra P. Pawar

An efficient and green procedure for the synthesis of 2, 4, 6-triaryl-1H-imidazole in polyethylene glycol under microwave irradiation in excellent yield has been developed. Polyethylene glycol is non toxic, reusable, inexpensive and easily available.

Abdelaziz Souizi Abdelkebir Zarguil Houda Serrar Said Boukhris, Zakaria Benzekribe

A convenient, simple and green process for the synthesis of 2,4,5-triaryl-1H-imidazole and 1,2,4,5-tetraaryl-1H-imidazole derivatives using snail shell, which is abundant in Morocco, as a catalyst in ethanol at 40 °C has been developed. Additionally, short reaction times, excellent yields, simple procedure and relative non-toxicity of the catalyst are other noteworthy advantages and make this m...

Abdelaziz Souizi Abdelkebir Zarguil Houda Serrar Said Boukhris, Zakaria Benzekribe

A convenient, simple and green process for the synthesis of 2,4,5-triaryl-1H-imidazole and 1,2,4,5-tetraaryl-1H-imidazole derivatives using snail shell, which is abundant in Morocco, as a catalyst in ethanol at 40 °C has been developed. Additionally, short reaction times, excellent yields, simple procedure and relative non-toxicity of the catalyst are other noteworthy advantages and make this m...

Journal: :International Journal of Chemical Studies 2020

2015
Krzysztof Komodziński Zofia Gdaniec Bohdan Skalski

To cite this article: Krzysztof Komodziński, Zofia Gdaniec & Bohdan Skalski (2015) Photochemical Behavior of 2-Azidopurine Tri-O-Acetylribonucleoside in Aqueous Solution: Unprecedented Transformation into 1-(5′-O-Acetyl-β-D-Ribofuranosyl)-5-[(2-Oxo-1,3,5Oxadiazocan-4-Ylidene)Amino]-1H-Imidazole-4-Carbaldehyde, Nucleosides, Nucleotides and Nucleic Acids, 34:4, 235-245, DOI: 10.1080/15257770.2014...

Journal: :iranian journal of chemistry and chemical engineering 0
hossein behmadi department of chemistry, mashhad branch, islamic azad university, mashhad, iran zahra amini moghaddam department of chemistry, mashhad branch, islamic azad university, p.o. box 91735-413 mashhad, i.r. iran narges poormorteza department of chemistry, mashhad branch, islamic azad university, p.o. box 91735-413 mashhad, i.r. iran seyed ali beyramabadi department of chemistry, mashhad branch, islamic azad university, p.o. box 91735-413 mashhad, i.r. iran maryam arian nezhad department of chemistry, mashhad branch, islamic azad university, p.o. box 91735-413 mashhad, i.r. iran

in the present study, some new bis-imidazole derivatives have been prepared through four-components condensation of 2,6-bis (4-aminophenyl)-4-p-tolylpyridine, benzaldehyde derivatives, benzil and ammonium acetate in presence of acetic acid. the present methodology offers several advantages such as good yields, simple procedure, milder conditions and the possibility of introducing a variety of s...

Journal: :iranian journal of pharmaceutical sciences 0
farzin hadizadeh biotechnology and pharmaceutical research center, faculty of pharmacy, mashhad university of medical sciences, mashhad, iran mohammad ramezani biotechnology and pharmaceutical research center, faculty of pharmacy, mashhad university of medical sciences, mashhad, iran zahra tayarani biotechnology and pharmaceutical research cente maryam eghbal faculty of pharmacy, mashhad university of medical sciences, mashhad, iran

in view of potential biological activities of small molecule polyamides, we synthesized some novel n-(2-aminoethyl)-1-benzyl-2- (alkylthio)-1h-imidazole-5-carboxamide (7a,b), and n-(2-(1-benzyl-2-(alkylthio) -1h-imidazole- 5-carboxamido) ethyl)-1-benzyl-2- (alkylthio)-1h-imidazole-5-carboxamides (8a,b) as antitumor agents. the antitumor activity of compounds 7a,b and 8a,b was studied at concent...

Farzin Hadizadeh, Maryam Eghbal Mohammad Ramezani Zahra Tayarani

      In view of potential biological activities of small molecule polyamides, we synthesized some novel N-(2-aminoethyl)-1-benzyl-2- (alkylthio)-1H-imidazole-5-carboxamide (7a,b), and N-(2-(1-benzyl-2-(alkylthio) -1H-imidazole- 5-carboxamido) ethyl)-1-benzyl-2- (alkylthio)-1H-imidazole-5-carboxamides (8a,b) as antitumor agents. The antitumor activity of compounds 7a,b and 8a,b was studied at c...

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