NNN Pincer-functionalized Porous Organic Polymer Supported Ru(III) as a Heterogeneous Catalyst for Levulinic Acid Hydrogenation to gamma-Valerolactone
- Authors
- Park, Kwangho; Padmanaban, Sudakar; Kim, Seong-Hoon; Jung, Kwang-Deog; Yoon, Sungho
- Issue Date
- 20-Jan-2021
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- heterogeneous catalyst; biomass transformation; porous organic polymer; pincer complexes; levulinic acid hydrogenation
- Citation
- CHEMCATCHEM, v.13, no.2, pp 695 - 703
- Pages
- 9
- Journal Title
- CHEMCATCHEM
- Volume
- 13
- Number
- 2
- Start Page
- 695
- End Page
- 703
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/44130
- DOI
- 10.1002/cctc.202001376
- ISSN
- 1867-3880
1867-3899
- Abstract
- A novel porous organic polymer that incorporates NNN pincer type of ligand, i. e., 2,6-Bis(pyrazol-3-yl)pyridine, (3-bpp-POP) is prepared via solvent-knitting method. Through the characterizations, 3-bpp-POP is demonstrated to possess abundant porous structure, high surface area, and excellent thermal durability. A ruthenium molecular catalyst immobilized on the 3-bpp-POP support exhibits substantial catalytic performance for the hydrogenation of LA to GVL with an initial turnover frequency (TOF) of 1680 h(-1) and a maximum turnover number (TON) of 14762 over 24 h for LA conversion with selectivities of 91.1 % for GVL and 8.9 % for HPA. The catalyst demonstrated excellent durability during successive recycles without leaching Ru3+, which ascribe to the strong binding of pincer ligand to metal centers.
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Collections - College of Natural Sciences > Department of Chemistry > 1. Journal Articles
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