US 12,275,750 B2
1,2-bis(diphenylphosphinoalkylamido)-1,2-disubstituted ethane, and its synthesis and application
Shengming Ma, Zhejiang (CN); and Yuchen Zhang, Zhejiang (CN)
Assigned to ZHEJIANG UNIVERSITY, Zhejiang (CN)
Appl. No. 17/629,075
Filed by ZHEJIANG UNIVERSITY, Zhejiang (CN)
PCT Filed Jul. 8, 2020, PCT No. PCT/CN2020/100786
§ 371(c)(1), (2) Date Jan. 21, 2022,
PCT Pub. No. WO2021/012949, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 201910660633.8 (CN), filed on Jul. 22, 2019.
Prior Publication US 2022/0242892 A1, Aug. 4, 2022
Int. Cl. C07F 9/50 (2006.01); C07D 231/26 (2006.01)
CPC C07F 9/5027 (2013.01) [C07D 231/26 (2013.01)] 10 Claims
 
1. 1,2-bis(diphenylphosphinoalkylamido)-1,2-disubstituted ethane chiral phosphine ligands, wherein, the said 1,2-bis(diphenylphosphinoalkylamido)-1,2-disubstituted ethane has the following structure as formula(I):

OG Complex Work Unit Chemistry
wherein each instance of R1 is selected from the group consisting of a phenyl group, a phenyl group substituted by C1-C10 alkyl, a phenyl group substituted by halogen, or an α-naphthyl group;
or alternatively the group custom character represents a —(CH2)3— or —(CH2)4— group;
n=1-6.