C. Pellecchia et al., ISOLATION OF A SINGLE-INSERTION INTERMEDIATE IN THE CATALYTIC POLYMERIZATION OF PROPENE BY A CATIONIC TRIS(HYDROCARBYL) ZIRCONIUM COMPLEX, Journal of the Chemical Society, Chemical Communications, (11), 1993, pp. 947-949
Propene reacts smoothly with the alkene polymerization catalyst [Zr(CH
2Ph)3{(eta6-PhCH2)B(C6F5)3)] 1 to give initially the single-insertion
adduct r(eta(n)-CH2Ph)2(CH2CHMeCH2Ph)]+[B(CH2Ph)(C6F5)3]- 2, which has
been isolated and characterized.