Ionic Grubbs-Hoveyda Complexes for Biphasic Ring-Opening Metathesis Polymerization in Ionic Liquids: Access to Low Metal Content Polymers
作者:Camila P. Ferraz、Benjamin Autenrieth、Wolfgang Frey、Michael R. Buchmeiser
DOI:10.1002/cctc.201300751
日期:2014.1
novel ionic metathesis catalyst, [Ru(1‐CH3‐4‐CO2Py+)2(IMesH2)(CH‐2‐2‐PrO}‐5‐NO2C6H3)][OTf−]2 (3 b; IMesH2=1,3‐dimesitylimidazolin‐2‐ylidene, Py=pyridine), has been prepared. 3 b and the Grubbs–Hoveyda catalysts [Ru(1‐CH3‐4‐CO2Py+)2(IMesH2)(CH‐2‐2‐PrO}C6H4)][OTf−]2 (3 a) and [RuCl(1‐CH3‐4‐CO2Py+)(IMesH2)(CH‐2‐2‐PrO}C6H4)][OTf−] (5 a) were used for ring‐opening metathesis polymerization (ROMP)
新型离子复分解催化剂[Ru(1-CH 3‐4 -CO 2 Py +)2(IMesH 2)(CH-2-2-PrO}-5‐NO 2 C 6 H 3)] [OTf − ] 2(3 b ; IMesH 2 = 1,3- dimesitylimidazolin -2- ylnene ,Py =吡啶)。3 b和Grubbs-Hoveyda催化剂[Ru(1-CH 3-4 -CO 2 Py +)2(IMesH 2)(CH-2-2-PrO} C 6 H 4)] [OTf − ] 2(3 a)和[RuCl(1-CH 3 -4-CO 2 Py +)(IMesH 2)(CH-2-2-PrO} C 6 H 4)] [OTf - ](5 a)被使用对于开环复分解聚合(ROMP)均相和双相液体-液体的条件下,通过使用离子液体1-丁基-2,3-二甲基咪唑四氟硼酸盐([BDMIM反应+ ] [BF 4 -和甲苯