supported by the National Natural Science Foundation of China(No.20572131,20842007);Natural Science Basic Research Plan in Shaanxi Province of China(No.SJ08-ZT02) for financial support.
A new free recoverable and reusable mono-alkaloid-type ligand has been synthesized by a simple method. With highly polar groups, the ligand can be recycled and reused eight times to prepare ethyl (2R,3S)-2,3-dihydro...