Citation: Jian Chao YUAN, Yu Hua ZHANG, Shi Jie LU. Enantioselective Alternating Copolymerization of Propylene with Carbon Monoxide Using Cationic Palladium-Chiral Diphosphine Catalyst[J]. Chinese Chemical Letters, ;2001, 12(6): 519-522. shu

Enantioselective Alternating Copolymerization of Propylene with Carbon Monoxide Using Cationic Palladium-Chiral Diphosphine Catalyst

State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000

Received Date: 30 September 2000

Fund Project: The authors would like to thank the National Natural Science Foundation of China for financial support (No. 29933050).

Enantioselective alternating copolymerization of carbon monoxide with propylene was carried out using palladium catalyst modified by 1,4-3,6-dianhydro-2,5-dideoxy-2,5-bis (diphenylphosphino)-L-iditol (DDPPI). The chiral diphosphine was proved to be effective at enantioselective copolymerization. Optical rotation, elemental analysis, ¹H, ¹³C-NMR and IR spectra showed that the copolymer was optically active, isotactic, alternating poly(1,4-ketone) structure.
- Palladium catalyst,
- chiral ligand,
- enantioselective alternating copolymerization,
- isotactic copolymer,
- optical activity.
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