Project supported by the National Natural Science Foundation of China (No. 20172047) and the Education Commission of Henan Province.
A series of new optically active [2-(1-hydroxyalkyl)pyrrolidino]methylferrocenes were conveniently prepared from commercially available L-proline and ferrocenecarboxylic acid. The crystal structure of key intermedia...
Project supported by the National Natural Science Foundation of China (No. 60171008) and the Ministry of Education; China.
In the condensation of arylaldehydes with arylethylidenemalononitriles, it was found that, besides the normal product dienes a, the ring-closure product quinoline derivatives b can be also obtained in 26%—50% yields...