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1,1'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)diethanone as a building block in heterocyclic synthesis. Novel synthesis of some pyrazole and pyrimidine derivatives

Mabkhot, Yahia Nasser ; Al-Majid, Abdullah Mohammed ; Barakat, Assem ; Alshahrani, Saeed ; Siddiqui, Yamin

Molecules (Basel, Switzerland), 2011-08, Vol.16 (8), p.6502-6511 [Periódico revisado por pares]

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1,1'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)diethanone as a building block in heterocyclic synthesis. Novel synthesis of some pyrazole and pyrimidine derivatives
Autor: Mabkhot, Yahia Nasser ; Al-Majid, Abdullah Mohammed ; Barakat, Assem ; Alshahrani, Saeed ; Siddiqui, Yamin
Assuntos: Biological Products - chemical synthesis ; bis-heterocycles ; Chemistry, Pharmaceutical - methods ; Combinatorial Chemistry Techniques ; Cyclization ; DMF-DMA ; enaminones ; intramolecular cyclization ; Magnetic Resonance Spectroscopy ; Nitrogen - chemistry ; Pyrazoles - chemical synthesis ; Pyrimidines - chemical synthesis ; Sulfur - chemistry ; thienothiophene ; Thiophenes - chemistry
É parte de: Molecules (Basel, Switzerland), 2011-08, Vol.16 (8), p.6502-6511
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: A series of new bis(heterocycles) featuring thieno[2,3-b]thiophene rings was synthesized in a combinatorial manner. Intramolecular cyclization of enaminone derivatives with appropriate N-nucleophiles afforded the target compounds. All compounds were characterized by ¹H-, ¹³C-NMR, GCMS, IR, and UV-Vis spectrometry. These compounds represent a new class of sulfur- and nitrogen-containing heterocycles that should also be of interest as new materials.
Editor: Switzerland: MDPI AG
Idioma: Inglês

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