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support from the National Key Research and Development Program of China(No.2017YFD0200505)。
A novel and practical method for the synthesis of 3,5-bis(trifluoromethyl)-4,5-dihydro-1H-pyrazoles by [3+2] cycloaddition reactions of α-(trifluoromethyl)styrenes with 2,2,2-trifluorodiazoethane (CF3CHN2) has been d...
We reported the environmental benign synthesis of chalcones,2-pyrazolines and cyclohexanones under microwave irradiation.Chalcones were obtained by the condensation of each of 2-hydroxyacetophenone derivatives with a-...
Project No.20572040 was supported by National Natural Science Foundation of China.
1,3,5-Trisubstituted pyrazolines were oxidized to the corresponding pyrazoles in high yield with tris(4-bromophenyl)aminium (TBPA**) hexachloroantimonate in chloroform at room temperature.