Efficient recyclable Cu-catalysts for click reaction and Chan-Lam coupling based on copolymers of N-vinylimidazole with N-vinylcaprolactam

Mitrofanov, Alexander Yu.; Murashkina, A. V.; Barabanova, A. I.; Vorozheykina, Alesya V.; Zubavichus, Yan V.; Хохлов, А. Р.; Beletskaya, I. P.

doi:10.1016/j.mcat.2023.112915

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“…Mitrofanov and coworkers developed a polymer-supported Cu-catalyst with excellent activity in the Chan–Lam coupling of various azoles. 47 Poly( N -vinylimidazole-co- N -vinylcaprolactam) with various compositions was analysed, and PVI25 (25 mol% N -vinylimidazole and 75 mol% N -vinylcaprolactam) was found to be the best choice. Thus, the successful Chan–Lam coupling in the presence of this newly designed catalyst (5 mol% Cu/PVI25) was achieved by reacting different azoles with arylboronic acid in MeOH at 50 °C for 4–24 h (Scheme 41).…”

Section: Classificationmentioning

confidence: 99%