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. 2016 Jun 21;5(6):777-780.
doi: 10.1021/acsmacrolett.6b00321. Epub 2016 Jun 9.

Stereoselective Copolymerization of Butadiene and Functionalized 1,3-Dienes

Hannes Leicht  1 , Inigo Göttker-Schnetmann  1 , Stefan Mecking  1
Affiliations

Stereoselective Copolymerization of Butadiene and Functionalized 1,3-Dienes

Hannes Leicht et al. ACS Macro Lett. .

Abstract

[(Mesitylene)nickel(allyl)+][BArF4-] (Ni-1) catalyzes the 1,4-cis selective copolymerization of isoprene and 1,3-butadiene with 15 (RO)3Si-, R2N-, RSO2-, RSO2NH-, and (RO)2B-functionalized 1,3-dienes. Incorporation of the functionalized 1,3-diene occurs very efficiently with high comonomer conversions, as observed, for example, for copolymerizations of 1,3-butadiene with (EtO)3Si(CH2)3C(═CH2)CH═CH2 (1), PhS(O)2(CH2)3C(═CH2)-CH═CH2 (7), or (pinB)C(═CH2)C(CH3)═CH2 (15), while copolymerization rates vary from strongly to slightly decreased when compared to butadiene homopolymerizations.

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