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Copper-free Sonogashira cross-coupling reaction catalyzed by polymer-supported N-heterocyclic carbene palladium complex by Jong-Ho Kim; Dong-Ho Lee; Bong-Hyun Jun; Yoon-Sik Lee is a Chemistry article available to read on EtoBox.
What is Copper-free Sonogashira cross-coupling reaction catalyzed by polymer-supported N-heterocyclic carbene palladium complex about?
A core-shell type of polymer-supported N-heterocyclic carbene (NHC) palladium catalyst was applied to Sonogashira cross-coupling reactions without copper cocatalyst under ambient atmosphere. This supported NHC-palladium complex efficiently catalyzed the copper-free Sonogashira reaction of various aryl iodides and bromides with terminal alkynes; the reaction exhibited high dependency on the temperature and the amount of base as well as its nature. In addition, this heterogeneous catalyst exhibited good reusability for the copper-free Sonogashira reaction.
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It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Jong-Ho Kim; Dong-Ho Lee; Bong-Hyun Jun; Yoon-Sik Lee
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0040-4039)
- Published
- 2007
- Language
- EN
- Field
- Chemistry (Physical Sciences)