%0 Journal Article %T PCCP ligands with a semi-rigid backbone for chromium-catalyzed selective ethylene tri-/tetramerization %A Zhao, Xing %A Xie, Haojie %A Zuo, Jing %A Wang, Jihe %A Zhao, Mei-Xin %A Zhang, Jun %J Catalysis Science & Technology %V 15 %N 9 %P 2713-2721 %@ 2044-4753 %D 2025-03-06 %I The Royal Society of Chemistry %~ DeepDyve