The project supported by the National Natural Science Foundation of China(No.2017203 1);the Chinese Research Fund for the Doctoral Pr ogram of High Education.
A series of novel fluorine-containing acrylates 6a-6g were synthesized via the condensation of ethyl cyanoacetate and trifluoroacetic anhydride, followed by chloridization and the coupling reaction with amines. These ...
Project supported by the National Natural Science Foundation of China (No. 20172031) and the Natural Science Foundation of Shandong Province (No. Y2003B01).
The condensation reactions of 5-amino-4-cyano-3-substituted-1H-pyrazole 2 or 3 with enaminones 1 in the presence of glacial acetic acid gave twelve new 7-aryl-3-cyano-2-substituted pyrazolo[1,5-a]pyrimidines 4 and 5 a...
The project was supported by the Natural Science Foundation of Shandong Province (No. Y2003B01) ;NNSFC (No. 20172031)
The crystal structure of ethyl 2-methylthio-7-phenylpyrazolo[1,5-a]pyrimidine-3- carboxylate (C16H15N3O2S, Mr = 313.37) has been determined by single-crystal X-ray diffraction analysis. The crystal belongs to monocl...