Heptane-soluble ring-closing metathesis catalysts.
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Terminally vinyl-functionalized polyisobutylene (PIB) oligomers can be easily transformed into end-functionalized PIB-bound Ru metathesis catalysts. The nonpolar catalysts so prepared can be used as solutions in heptane and recycled by a gravity-based extraction after addition of a heptane-immiscible polar solvent. This paper describes the synthesis and the recycling of a PIB-supported second-generation Hoveyda-Grubbs catalyst for Ru-catalyzed ring-closing metathesis and ring-opening metathesis polymerizations.
author list (cited authors)
Hongfa, C., Tian, J., Bazzi, H. S., & Bergbreiter, D. E.
complete list of authors
Hongfa, Chayanant||Tian, Jianhua||Bazzi, Hassan S||Bergbreiter, David E