Isotactic and Atactic Copolymerization of Styrene and Carbon Monoxide Using Cationic Palladium‐Phosphino(dihydrooxazole) Complexes. Preliminary Communication | Zendy

Sperrle Martin | Zendy; Aeby Anton | Zendy; Consiglio Giambattista | Zendy; Pfaltz Andreas | Zendy

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Isotactic and Atactic Copolymerization of Styrene and Carbon Monoxide Using Cationic Palladium‐Phosphino(dihydrooxazole) Complexes. Preliminary Communication

Author(s) -

Sperrle Martin,

Aeby Anton,

Consiglio Giambattista,

Pfaltz Andreas

Publication year - 1996

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19960790512

Subject(s) - chemistry , copolymer , cationic polymerization , carbon monoxide , styrene , palladium , tacticity , polymer chemistry , photochemistry , catalysis , organic chemistry , polymerization , polymer

Cationic palladium complexes 2 containing coordinated phosphino(dihydrooxazole) ligands 1 give catalytic systems which allow the production of alternating styrene‐carbon monoxide copolymers. Depending on the symmetry of the ligand, the copolymers are produced either with a highly isotactic or with an essentially completely atactic microstructure. Termination of the polymeric chain is mainly due to a β‐H‐elimination reaction. Both linear (( E )‐PhCHCHCO) and branched (CH 2 C(Ph)CO) unsaturated end groups were identified.

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