oxidative aromatization
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Molecules ◽  
2021 ◽  
Vol 26 (16) ◽  
pp. 4719
Daniil N. Lyapustin ◽  
Evgeny N. Ulomsky ◽  
Ilya A. Balyakin ◽  
Alexander V. Shchepochkin ◽  
Vladimir L. Rusinov ◽  

The reaction tolerance of the multicomponent process between 3-aminoazoles, 1-morpholino-2-nitroalkenes, and aldehydes was studied. The main patterns of this reaction have been established. Conditions for the oxidation of 4,7-dihydro-6-nitroazolo[1,5-a]pyrimidines were selected. Previous claims that the 4,7-dihydro-6-nitroazolo[1,5-a]pyrimidines could not be aromatised have now been refuted. Compounds with an electron-donor substituent at position seven undergo decomposition during oxidation. The phenomenon was explained based on experimental data, electro-chemical experiment, and quantum-chemical calculation. The mechanism of oxidative degradation has been proposed.

Tetrahedron ◽  
2021 ◽  
pp. 132219
Dahong Jiang ◽  
Xicheng Jia ◽  
Shuhua Zhang ◽  
Zhihua Zhang ◽  
Lei Li ◽  

SynOpen ◽  
2021 ◽  
David Hurem ◽  
Ben Macphail ◽  
Rina Carlini ◽  
Jason N Lewis ◽  
Dr. James McNulty

Olivetol, methyl olivetolate and a series of orthogonally protected methyl ether derivatives were synthesized from commonly available precursors using an atom-economical, catalytic oxidative aromatization process.

Molbank ◽  
10.3390/m1197 ◽  
2021 ◽  
Vol 2021 (1) ◽  
pp. M1197
Jasril Jasril ◽  
Neni Frimayanti ◽  
Yuana Nurulita ◽  
Adel Zamri ◽  
Ihsan Ikhtiarudin ◽  

A new fluorinated pyrazole, 5-(4-fluorophenyl)-3-(naphthalen-1-yl)-1-phenyl-1H-pyrazole was successfully synthesized via a two-step reaction. Firstly, the synthesis of pyrazoline was performed via one-pot three-component reaction under microwave irradiation. Secondly, the synthesis of pyrazole was performed via oxidative aromatization of pyrazoline under conventional heating. The structure of the synthesized compound was confirmed by spectroscopic analysis, including FT-IR, HR-MS, 1D and 2D NMR analysis. Then, molecular docking study showed that the binding affinity of the synthesized compound to human estrogen alpha receptor (ERα) was close to 4-OHT as a native ligand.

2020 ◽  
Vol 93 (12) ◽  
pp. 1419-1423
Yuta Yamamoto ◽  
Yutaro Yamada ◽  
Hironao Sajiki ◽  
Yoshinari Sawama

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