发明名称 Ruthenium catalysts and their use for asymmetric reduction of ketones
摘要 Disclosed are novel ruthenium compounds of formula (Ia) and (Ib):; wherein R1 and the moiety are defined herein. Also disclosed is a process for using these novel ruthenium compounds as catalysts for asymmetric hydrogenation and transfer hydrogenation of ketones with high reactivities and excellent selectivities.
申请公布号 US9029540(B2) 申请公布日期 2015.05.12
申请号 US201414313085 申请日期 2014.06.24
申请人 Boehringer Ingelheim International GmbH 发明人 Haddad Nizar;Lee Heewon;Qu Bo;Rodriguez Sonia;Senanayake Chris Hugh
分类号 C07F15/00;C07D405/04;B01J31/22;C07D215/20;C07D209/04;C07D333/54;C07D307/79;C07C29/145;C07D231/56;B01J23/46;B01J31/24;C07C29/156;C07B53/00 主分类号 C07F15/00
代理机构 代理人 Morris Michael P.;Patel Usha R.
主权项 1. A compound of formulae (Ia) and (Ib):wherein R1 are both the same and selected from —H, —CH3 and —OCH3; and the moiety represents a diamine ligand selected from the group consisting of compounds 4, 5, 6, 7, 8, 9, and 12:
地址 Ingelheim am Rhein DE