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Recyclable and eco-friendly Pd-complexed graphene oxide/N-heterocyclic carbene catalyst for various coupling reactions in aqueous phase
- Kim, Seongsoo;
- Cho, Hong-Jun;
- Shin, Dong-Sik;
- Lee, Sang-Myung
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42초록
In this study, we report recyclable Pd-complexed graphene oxide (GO) catalysts with a bulky N-heterocyclic carbene (NHC) ligand (GO/NHC-Pd) for various cross-coupling reactions in the aqueous phase. To prepare GO/NHC-Pd, the NHC precursor and a trimethoxy-silane linker were combined on the GO surface via condensation, followed by the Pd chelation over GO/NHC. The GO-based catalysts were applied to three types of C-C cross-coupling reactions including Suzuki, Heck and Sonogashira reactions in the aqueous phase, to evaluate their catalytic performance. The reusability of the catalysts was tested by performing five consequent cross-coupling reactions. (C) 2017 Elsevier Ltd. All rights reserved.
키워드
Heterogeneous catalyst; Graphene oxide; N-Heterocyclic carbene; Palladium; C-C cross coupling; SUZUKI-MIYAURA; PALLADIUM COMPLEX; GRAPHITE OXIDE; MIZOROKI-HECK; SONOGASHIRA; NANOPARTICLES; CHLORIDES; EFFICIENT
- 제목
- Recyclable and eco-friendly Pd-complexed graphene oxide/N-heterocyclic carbene catalyst for various coupling reactions in aqueous phase
- 저자
- Kim, Seongsoo; Cho, Hong-Jun; Shin, Dong-Sik; Lee, Sang-Myung
- 발행일
- 2017-06
- 유형
- Article
- 권
- 58
- 호
- 25
- 페이지
- 2421 ~ 2425