公开(公告)号：US20200369640A1

公开(公告)日：2020-11-26

申请号：US16634255

申请日：2018-08-14

Applicant: BASF SE

Inventor： Bilguun BAYARMAGNAI ,  Thomas SCHAUB ,  Verena MORMUL ,  Peter RUDOLF

IPC: C07D317/40 ,  B01J31/22 ,  C08F124/00 ,  H01M10/0567

Abstract: The present invention relates to a process for preparing cyclic carbonates of formula Ia or Ib or mixtures thereof (Ia) (Ib) comprising the process step: a) reacting a propargylic alcohol of formula II (II) with carbon dioxide in the presence of at least one transition metal catalyst TMC1, which comprises a transition metal selected from metals of groups 10, 11 and 12 of the periodic table of the elements according to IUPAC and at least one bulky ligand.