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- W4385433152 abstract "Polyisocyanide has attracted continuous attention because of its stable helical rod structure and its wide application, it has a unique π-conjugated system in which the carbon-nitrogen double bond in each unit is twisted along the polymeric backbone to form a helical configuration. In this paper, a series of aryl isocyanides polymers are prepared using N-heterocyclic carbene-ligated scandium trialkyl complex 1 (IPr)Sc(CH 2 SiMe 3 ) 3 as the catalyst and 2 equiv. [Ph 3 C][B(C 6 F 5 ) 4 ] as the co-catalyst. The catalyst can convert 96% of 100 equiv. monomer in 5 minutes and the activity of the polymerization can reach 329 kg of polymer molSc -1 h -1 . Two optically active polymers are obtained by using chiral monomers, they show strong CD signal at 364 nm and the two signals are opposite." @default.
- W4385433152 created "2023-08-01" @default.
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- W4385433152 date "2023-01-01" @default.
- W4385433152 modified "2023-10-16" @default.
- W4385433152 title "Polymerization of Aryl Polyisocyanides Catalyzed by N-Heterocyclic Carbene-Ligated Scandium Trialkyl Complex" @default.
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- W4385433152 doi "https://doi.org/10.1051/e3sconf/202340602018" @default.
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