Chromium ethylene polymerization catalysts bearing sterically enhanced α,α′-bis(imino)-2,3:5,6-bis(pentamethylene)pyridines: Tuning activity and molecular weight

The ortho-benzhydryl-substituted α,α′-bis(arylimino)-2,3:5,6-bis(pentamethylene)pyridine-chromium(III) chlorides, [2,3:5,6-{C4H8C(N(2-R1-4-R2-6-(CHPh2)C6H2)}2C5HN]CrCl3 [R1 = R2 = Me Cr1, R1 = Me, R2 = CHPh2Cr2, R1 = Et, R2 = CHPh2Cr3, R1 = i-Pr, R2 = CHPh2Cr4, R1 = Cl, R2 = CHPh2Cr5, R1 = F, R2 = C...

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