General

Prof. Yanshan Gao


Shanghai Institute of Organic Chemistry (SIOC), the Chinese Academy of Sciences

Email: gaoyanshan@sioc.ac.cn

Mail address: Lingling Road 345, Xuhui, Shanghai, 200032

Research Areas

Polyolefin synthesis, sustainable polyolefins, homogeneous catalysis, heterogeneous catalysis

Education

            Ph.D., Organic Chemistry (09/2007 - 06/2012): Shanghai Institute of Organic Chemistry, CAS, China, with Prof. Yong Tang (SIOC, Shanghai) and Prof. Zuowei Xie (CUHK, HK)

            B.S., Applied Chemistry, (09/2003 - 06/2007): Shandong University, China

Experience

            04/2021- Now: Professor, Shanghai Institute of Organic Chemistry, CAS, China

            04/2019 to 02/2021: Research Assistant Professor, Northwestern University, USA

            01/2013 to 03/2019: Postdoctoral Fellow (Supervisor: Prof. Tobin J. Marks), Northwestern University, USA

            07/2012 - 01/2013: Assistant researcher in SIOC, Shanghai, China

Publications


Papers

1.         Beyond the Active Site. Cp*ZrMe3/Sulfated Alumina-Catalyzed Olefin Polymerization Tacticity via Catalyst···Surface Ion-Pairing. Jialong Zhang, Alexander H. Mason, Yang Wang, Alessandro Motta, Takeshi Kobayashi, Marek Pruski, Yanshan Gao* and Tobin J. Marks.* ChemCatChem202113, 2564–2569 (*Corresponding Author)
2.         Surface vs Homogeneous Organo-Hafnium Catalyst Ion-Pairing and Ligand Effects on Ethylene Homo- and Copolymerizations. Jialong Zhang, Alexander H. Mason, Alessandro Motta,* Laryssa G. Cesar, Yosi Kratish, Tracy L. Lohr, Jeffery T. Miller,* Yanshan Gao* and Tobin J. Marks.* ACS Catal. 202111, 3239–3250(*Corresponding Author)
3.         Bis-Ferrocenyl-Pyridinediimine Trinuclear Mixed-Valent Complexes with Metal-Binding Dependent Electronic Coupling: Synthesis, Structures, and Redox-Spectroscopic Characterization. Cole Carter, Yosi Kratish, Titel Jurca, Yanshan Gao* and Tobin J. Marks.* J. Am. Chem. Soc2020142, 18715–18729. (*Corresponding Author)
4.         Polyethylene Terephthalate Deconstruction Catalyzed by a Carbon-Supported Single-Site Molybdenum-Dioxo Complex. Yosi Kratish, Jiaqi Li, Shanfu Liu, Yanshan Gao* and Tobin J. Marks.* Angew. Chem. Int. Ed202059, 19857-19861. (*Corresponding Author)
5.         Polar Isotactic and Syndiotactic Polypropylenes via Organo-zirconium-Catalyzed Masking-Reagent-Free Propylene + Amino-Olefin Copolymerizations. Minglu Huang, Jiazhen Chen, Binghao Wang, Wei Huang, Haibo Chen, Yanshan Gao* and Tobin J. Marks.* Angew. Chem. Int. Ed202059, 20522 – 20528 (*Corresponding Author).
6.         Early Transition Metal Catalysis for Olefin-Polar Monomer Copolymerization. Jiazhen Chen, Yanshan Gao* and Tobin J. Marks.* Angew. Chem. Int. Ed202059, 14726-14735 (*Corresponding Author).
7.         Versatile catalytic strategy for polar-functionalized, cross-linkable, self-healing, and photo-responsive polyolefins. Yanshan Gao* and Tobin J. Marks.* Science Bulletin 202065, 605–606 (First Author and *Corresponding Author).
8.         Mechanism of Organoscandium-Catalyzed Ethylene Copolymerization with Amino-Olefins: A Quantum Chemical Analysis. Jiazhen Chen, Alessandro Motta,* Jialong Zhang, Yanshan Gao,* and Tobin J. Marks.* ACS Catal. 20199, 8810-8818 (*Corresponding Author).
9.         Unexpected Precatalyst σ-Ligand Effects in Phenoxyimine Zr-Catalyzed Ethylene/1-Octene Copolymerizations. Yanshan Gao, Matthew Christianson, Yang Wang, Jiazhen Chen, Steve Marshall, Jerzy Klosin, Tracy L. Lohr, and Tobin J. Marks. J. Am. Chem. Soc2019141, 7822-7830 (First Author).
10.      Significant Polar Comonomer Enchainment in Zr-Catalyzed, Masking Reagent-Free, Ethylene Copolymerizations. Jiazhen Chen, Alessandro Motta, Binghao Wang, Yanshan Gao,* and Tobin J. Marks.* Angew. Chem. Int. Ed2019131, 7104-7108 (*Corresponding Author).
11.      Highly Branched Polyethylene Oligomers via Single-Site Polymerization in Very Nonpolar Media. Yanshan Gao, Jiazhen Chen, Yang Wang, David Pickens, Alessandro Motta, Q. Jane Wang, Yip-Wah Chung, Tracy Lohr and Tobin J. Marks. Nature Catalysis2019, 2, 236-242 (First Author). Front Cover, March 2019; “News &Views” report.
12.      Catalyst Nuclearity Effects on Stereo- and Regio-induction in Pyridylamidohafnium-Catalyzed Propylene and 1-Octene Polymerizations. Yanshan Gao, Xia Chen, Jialong Zhang, Jiazhen Chen, Tracy L. Lohr, and Tobin J. Marks. Macromolecules201851, 2401-2410 (First Author).
13.      Pyridylamido bi-Hafnium Olefin Polymerization Catalysis: Conformationally Supported Hf···Hf Enchainment Cooperativity. Yanshan Gao, Aidan R. Mouat, Alessandro Motta, Alceo Macchioni, Cristiano Zuccaccia, Massimiliano Delferro, and Tobin J. Marks. ACS Catal. 20155, 5272−5282 (First Author).
14.      Polymers as Oxide Semiconductor Dopants. Experimental and Theoretical Evidence for Hydrogen Doping in Solution-Processed Indium Gallium Oxide. Wei Huang, Po-Hsiu Chien, Kyle McMillen, Joshua Tedesco, Li Zeng, Subhrangsu Mukherjee, Binghao Wang, Yao Chen, Gang Wang, Yang Wang, Yanshan Gao, Michael J. Bedzyk, Dean DeLongchamp, Yan-Yan Hu, Julia E. Medvedeva, Tobin J. Marks, Antonio Facchetti. PNAS2020117, 18231-18239.
15.      Cationic Pyridylamido Adsorbate on Brønsted Acidic Sulfated Zirconia: A Molecular Supported Organohafnium Catalyst for Olefin Homo- and Co-Polymerization. Jialong Zhang, Alessandro Motta, Yanshan Gao, Madelyn Marie Stalzer, Massimiliano Delferro, Boping Liu, Tracy L. Lohr and Tobin J. Marks. ACS Catal20188, 4893-4901.
16.      Scandium-Catalyzed Self-Assisted Polar Comonomer Enchainment in Ethylene Polymerization. Jiazhen Chen, Yanshan Gao, Binghao Wang, Tracy L. Lohr, and Tobin J. Marks. Angew. Chem. Int. Ed201756, 15964-15968.
17.      Metal and Counteranion Nuclearity Effects in Organoscandium-Catalyzed Isoprene Polymerization and Copolymerization. Jiazhen Chen, Yanshan Gao, Shuoyan Xiong, Massimiliano Delferro, Tracy L. Lohr, and Tobin J. Marks. ACS Catal20177, 5214-5219.
18.      Synthesis and Characterization of Tridentate [O-N(H)X] Titanium Complexes and Their Applications in Olefin Polymerization. Dawei Wan, Zhou Chen, Yanshan Gao, Qi Shen, Xiuli Sun, Yong Tang. J. Polym. Sci. Polym. Chem201351, 2495-2503.
19.      Synthesis, Structure, and Ethylene Polymerization Behavior of Nickel Complexes Based on Benzoylmethylenetri(2-alkoxylphenyl)phosphorane. Dawei Wan, Yanshan Gao, Junfang Li, Qi Shen, Xiuli Sun and Yong Tang. Dalton Trans., 201241, 4552-4557.

Patents

1.         Methods for depolymerizing polyesters. Tobin J. Marks, Yanshan Gao, Yosi Kratish, Jiaqi Li. PCT/US2021/26822.

2.         Methods for Forming Stereospecific, Polar Functionalized Polypropylene. Tobin J. Marks; Yanshan Gao; Minglu Huang. US Patent, 2020, 17111682.
3.         Highly Branched, Low Molecular Weight Polyolefins and Methods for Their Production. Tobin J. Marks; Yanshan Gao; Tracy L. Lohr. Qian Wang, Yip-Wah Chung, David B. Pickens. PCT/US2019/016762.
4.         High Soluble Bis-Borate as Binuclear Co-catalysts for Olefin Polymerizations. Tobin J Marks; Yanshan Gao; Tracy L. Lohr; Matthew Christianson; Jerzy Klosin; Edmund M. Carnahan; Andrew Young. PCT/US2019/024599.
5.         Highly Soluble Alkyl-Substituted Carbenium Borate as Co-catalysts for Olefin Polymerizations. Tobin J. Marks; Yanshan Gao; Tracy L. Lohr; Matthew Christianson; Jerzy Klosin; Edmund M. Carnahan; Andrew Young. PCT/US2019/024754.
6.         铬催化剂及其在催化烯烃齐聚和高聚中的应用。唐勇、高彦山、孙秀丽、李军方、谢作伟、王铮、彭爱卿。申请号:CN201010509672.7,授权专利号ZL201010509672.7

Research Interests

Polyolefin synthesis, organometallic catalysis, homogeneous catalysis, heterogeneous catalysis

Conferences

1.         Oral Talk, International Polyolefins Conference, Society of Plastic Engineers, February 24-27, 2019, Houston, Texas, USA.
2.         Oral Talk, 2019 North American Catalysis Society Meeting (NAM26), June 23-28, 2019, Chicago Illinois, USA.