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(65) Pandey, B.; Krause, J. A.; Guan, H. "On the Demise of PPP-Ligated Iron Catalysts in the Formic Acid Dehydrogenation Reaction." Inorg. Chem. 2023, 62, 18714-18723. [link]


(64) Le, N.; Chuang, N. L.; Oliver, C. M.; Samoshin, A. V.; Hemphill, J. T.; Morris, K. C.; Hyland, S. N.; Guan, H.; Webster, C. E.; Clark, T. B. "Hidden Role of Borane in Directed C-H Borylation: Rate Enhancement through Autocatalysis." ACS Catal. 2023, 13, 12877-12893. [link]


(63) Xu, V.; Pandey, B.; Jayawardhena, J. P. I. D.; Krause, J. A.; Guan, H. "The Curious Cases of Tetrahydrosalen-Type Ligands Interacting with Ni(II): Structures and Ligand-Based Oxidation Reactions." Dalton Trans. 2023, 52, 11543-11551. [link]

2023 Dalton.jpeg

(62) Adhikary, A.; Saha, S.; Kumar, N. S.; Krause, J. A.; Guan, H. "Pitfalls for POCOP-Type Palladium Pincer Complexes in Catalytic Reduction of CO2 with Catecholborane." Organometallics 2023, 42, 1525-1537. [link]


(61) Mokhtar, M. M.; Andersen, J. M.; Kister, E. A.; Hopkins, J. X.; Estier, T.; Halmilton, F.; Guan, H.; Mack, J.; Haley, R. A. "A Mechanistic Perspective on the Mechanochemical Method to Reduce Carbonyl Groups with Stainless Steel and Water." Eur. J. Org. Chem. 2023, 26, e202300149. [link]


(60) Pandey, B.; Krause, J. A.; Guan, H. "Methyl Effects on the Stereochemistry and Reactivity of PPP-Ligated Iron Hydride Complexes." Inorg. Chem. 2023, 62, 967-978. [link]


(59) Pandey, B.; Krause, J. A.; Guan, H. "Iron Dihydride Complex Stabilized by an All-Phosphorus-Based Pincer Ligand and Carbon Monoxide." Inorg. Chem. 2022, 61, 11143-11155. [link]


(58) Ott, J. C.; Bürgy, D.; Guan, H.; Gade, L. H."3d Metal Complexes in T-Shaped Geometry as a Gateway to Metalloradical Reactivity." Acc. Chem. Res. 2022, 55, 857-868. [link]

(57) Collett, J. D.; Krause, J. A.; Guan, H. "Nickel Hydride Complexes Supported by Pyrrole-Derived Phosphine Ligand." Organometallics 2022, 41, 345-353. [link]

(56) Ekanayake, D. A.; Chakraborty, A.; Krause, J. A.; Guan, H. "Hydrogenation Reactions Catalyzed by HN(CH2CH2PR2)2-Ligated Copper Complexes." Inorg. Chem. Front. 2021, 8, 4634-4649. [link]

(54) Collett, J. D.; Ransohoff, R. W.; Krause, J. A.; Guan, H. "An Iron-Hydrogen Bond Resistant to Protonation and Oxidation." Z. Anorg. Allg. Chem. 2021, 647, 1449-1454 (invited paper for a special issue on pincer ligands). [link]

(55) Li, Y.; Collett, J. D.; Guan, H. "Phosphorus-Based Pincer Ligands." Comprehensive Coordination Chemistry III; Constable, E. C., Parkin, G., Que Jr, L., Vol. 1, Elsevier, 2021, 505-606 (invited review). [link]

(53) Dai, H.; Li, W.; Krause, J. A.; Guan, H. "Experimental Evidence of syn H-N-Fe-H Configurational Requirement for Iron-Based Bifunctional Hydrogenation Catalysts." Inorg. Chem. 2021, 60, 6521-6535. [link

(52) Ekanayake, D. A.; Guan, H. "Hydrogenation Reactions Catalyzed by PNP-Type Complexes Featuring a HN(CH2CH2PR2)2 Ligand." Top. Organomet. Chem. 2021, 68, 263-320 (volume on Metal-Ligand Cooperativity: Catalysis and the Pincer-Metal Platform). [link]

(51) Collett, J. D.; Krause, J. A.; Guan, H. "Multiweek Experiments for an Inorganic Chemistry Laboratory Course: Synthesis of Nickel Complexes Supported by a Tetradentate Ligand with an N2O2 Donor Set." J. Chem. Educ. 2021, 98, 592-599. [link

(50) Li, Y.; Krause, J. A.; Guan, H. "POCOP-Type Cobalt and Nickel Pincer Complexes Bearing an Appended Phosphinite Group." Can. J. Chem. 2021, 99, 147-153 (special issue honoring Professor Robert H. Morris). [link

(49) Li, Y.; Krause, J. A.; Guan, H. "Silane Activation with Cobalt on the POCOP Pincer Ligand Platform." Organometallics 2020, 39, 3721-3730. [link

(48) Ekanayake, D. A.; Chakraborty, A.; Krause, J. A.; Guan, H. "Steric Effects of HN(CH2CH2PR2)2 on the Nuclearity of Copper Hydrides." Inorg. Chem. 2020, 59, 12817-12828. [link

(47) Eberhardt, N. A.; Wellala, N. P. N.; Li, Y.; Krause, J. A.; Guan, H. "Dehydrogenative Coupling of Aldehydes with Alcohols Catalyzed by a Nickel Hydride Complex." Organometallics 2019, 38, 1468-1478. [link

(46) Wellala, N. P. N.; Dong, H. T.; Krause, J. A.; Guan, H. "Janus POCOP Pincer Complexes of Nickel." Organometallics 2018, 37, 4031-4039. [link

(45) Dai, H.; Guan, H. "Switching the Selectivity of Cobalt-Catalyzed Hydrogenation of Nitriles." ACS Catal. 20188, 9125-9130. [link]

(44) Li, Y.; Krause, J. A.; Guan, H. "Cobalt POCOP Pincer Complexes via Ligand C–H Bond Activation with Co2(CO)8: Catalytic Activity for Hydrosilylation of Aldehydes in an Open vs. a Closed System." Organometallics 2018, 37, 2147-2158. [link]

(43) Wellala, N. P. N.; Luebking, J. D.; Krause, J. A.; Guan, H. "Roles of Hydrogen Bonding in Proton Transfer to kP, kN, kP-N(CH2CH2PiPr2)2 Ligated Nickel Pincer Complexes." ACS Omega 2018, 3, 4986-5001. [link]

(42) Eberhardt, N. A.; Guan, H. Reduction of CO2 Mediated or Catalyzed by Pincer Complexes. In Pincer Compounds: Chemistry and Applications; Morales-Morales, D., Ed.; Elsevier, Amsterdam, 2018; Chapter 4, pp. 67-99. [link]

(41) Dai, H.; Guan, H. "Iron Dihydride Complexes: Synthesis, Reactivity, and Catalytic Applications." Isr. J. Chem. 2017, 57, 1170-1203 (special issue on Iron Catalysis). [link]

(40) Rodrigo, S. K.; Guan, H. "Mechanistic Study of Nickel-Catalyzed Reductive Coupling of Ynoates and Aldehydes." J. Org. Chem. 2017, 82, 5230-5235. [link]

(39) Adhikary, A.; Krause, J. A.; Guan, H. "How Does the Carbon Hybridization Impact the Rate of Metal-Carbon Bond Cleavage by an Alkyne? A Case Study with POCOP-Pincer Ligated Palladium Hydrocarbyl Complexes." J. Organomet. Chem. 2017, 845, 151-156 (special issue on Organometallic Chemistry of Pincer Complexes honoring Professor Gerard van Koten). [link]

(38) Haley, R. A.; Mack, J.; Guan, H. "2-in-1: Catalyst and Reaction Medium." Inorg. Chem. Front. 2017, 4, 52-55. [link]

(37) Ma, Q.-Q.; Liu, T.; Adhikary, A.; Zhang, J.; Krause, J. A.; Guan, H. "Using CS2 to Probe the Mechanistic Details of Decarboxylation of Bis(phosphinite)-Ligated Nickel Pincer Formate Complexes." Organometallics 2016, 35, 4077-4082. [link]


(36) Ma, Q.-Q.; Liu, T.; Li, S.; Zhang, J.; Chen, X.; Guan, H. "Highly Efficient Reduction of Carbon Dioxide with a Borane Catalyzed by Bis(phosphinite) Pincer Ligated Palladium Thiolate Complexes." Chem. Commun. 2016, 52, 14262-14265. [link]


(35) Bailey, A. D.; Murphy, B. P.; Guan, H. "Mechanistic Insights into Oxidative Oligmerization of p-Phenylenediamine and Resorcinol." J. Phys. Chem. A. 2016, 120, 8512-8520. [link]


(34) Chakraborty, A.; Kinney, R. G.; Krause, J. A.; Guan, H. "Cooperative Iron-Oxygen-Copper Catalysis in Reduction of Benzaldehyde Under the Water-Gas Shift Reaction Conditions." ACS Catal. 2016, 6, 7855-7864. [link]


(33) Eberhardt, N. A.; Guan, H. "Nickel Hydride Complexes." Chem. Rev. 2016, 116, 8373-8426 (thematic issue on Metal Hydrides). [link]  


(32) Haley, R. A.; Zellner, A. R.; Krause, J. A.; Guan, H.; Mack, J. "Nickel Catalysis in a High Speed Ball Mill: A Recyclable Mechanochemical Method for Producing Substituted Cyclooctatetraene Compounds." ACS Sustainable Chem. Eng. 2016, 4, 2464-2469. [link


(31) Xu, T.; Wu, Y.; Yuan, Z.; Guan, H.; Liu, G. "Mechanistic Investigation on the Silver-Catalyzed Oxidative Intramolecular Aminofluorination of Alkynes."  Organometallics 2016, 35, 1347-1349. [link]


(30) Li, H.; Meng, W.; Adhikary, A.; Li, S.; Ma, N.; Zhao, Q.; Yang, Q.; Eberhardt, N. A.; Leahy, K. M.; Krause, J. A.; Zhang, J.; Chen, X.; Guan, H. "Metathesis Reactivity of Bis(phosphinite) Pincer Ligated Nickel Chloride, Isothiocyanate and Azide Complexes." J. Organomet. Chem. 2016, 804, 132-141. [link]

(29) Wellala, N. P. N.; Guan, H. "A Diphenyl Ether Derived Bidentate Secondary Phosphine Oxide as a Preligand for Nickel-Catalyzed C–S Cross-Coupling Reactions." Org. Biomol. Chem. 2015, 13, 10802-10807. [link]


(28) Adhikary, A.; Guan, H. "Catalysis Involving Phosphinite-Based Metallacycles." ACS Catal. 2015, 5, 6858-6873 (invited Perspective). [link]

(27) Adhikary, A.; Krause, J. A.; Guan, H. "Configurational Stability and Stereochemistry of P-Stereogenic Nickel POCOP-Pincer Complexes." Organometallics 2015, 34, 3603-3610. [link]


(26) Chakraborty, S.; Bhattacharya, P.; Dai, H.; Guan, H. "Nickel and Iron Pincer Complexes as Catalysts for the Reduction of Carbonyl Compounds." Acc. Chem. Res. 2015, 48, 1995-2003 (special issue on Earth Abundant Metals in Homogeneous Catalysis). [link]


(25) Wilson, G. L. O.; Abraha, M.; Krause, J. A.; Guan, H. "Reactions of Phenylacetylene with Nickel POCOP-Pincer Hydride Complexes Resulting in Different Outcomes from Their Palladium Analogues." Dalton Trans. 2015, 44, 12128-12136 (themed issue on Earth Abundant Element Compounds in Homogeneous Catalysis, featured on back cover). [link]


(24) Fairweather, N. T.; Gibson, M. S.; Guan, H. "Homogeneous Hydrogenation of Fatty Acid Methyl Esters and Natural Oils Under Neat Conditions." Organometallics 2015, 34, 335-339. [link]

(23) Qu, S.; Dai, H.; Dang, Y.; Song, C.; Wang, Z.-X.; Guan, H. "Computational Mechanistic Study of Fe-Catalyzed Hydrogenation of Esters to Alcohols: Improving Catalysis by Accelerating Pre-catalyst Activation with a Lewis Base." ACS Catal. 2014, 4, 4377-4388. [link]

(22) Bhattacharya, P.; Krause, J. A.; Guan, H. "Activation of Dihydrogen and Silanes by Cationic Iron Bis(phosphinite) Pincer Complexes." Organometallics 2014, 33, 6113-6121. [link]

(21) Bhattacharya, P.; Krause, J. A.; Guan, H. "Mechanistic Studies of Ammonia Borane Dehydrogenation Catalyzed by Iron Pincer Complexes." J. Am. Chem. Soc. 2014, 136, 11153-11161. [link]


(20) Chakraborty, S.;† Dai, H.;† Bhattacharya, P.; Fairweather, N. T.; Gibson, M. S.; Krause, J. A.; Guan, H. "Iron-Based Catalysts for the Hydrogenation of Esters to Alcohols." J. Am. Chem. Soc. 2014, 136, 7869-7872 (†co-first author). [link]


(19) Adhikary, A.; Guan, H. Nickel-Catalyzed Cross-Coupling Reactions. In Pincer and Pincer-Type Complexes: Application in Organic Synthesis and Catalysis; Szabó, K. J.; Wendt, O. F., Eds.; Wiley-VCH: Weinheim, 2014; pp 117-147. [link]


(18) Chakraborty A.; Guan, H. "Iron, dicarbonylhydro[(1,2,3,3a,7a-h)-4,5,6,7-tetrahydro-2-hydroxy-1,3-bis(trimethylsilyl)-1H-inden-1-yl]" e-Encyclopedia of Reagents for Organic Synthesis, John Wiley & Sons Ltd., 2014. [link]​


(17) Adhikary, A.; Schwartz, J. R.; Meadows, L. M.; Krause, J. A.; Guan, H. "Interaction of Alkynes with Palladium POCOP-Pincer Hydride Complexes and Its Unexpected Relation to Palladium-Catalyzed Hydrogenation of Alkynes." Inorg. Chem. Front. 2014, 1, 71-82 (invited paper). [link]

(16) Rodrigo, S. K.; Powell, I. V.; Coleman, M. G.; Krause, J. A.; Guan, H. "Efficient and Regioselective Nickel-Catalyzed [2+2+2] Cyclotrimerization of Ynoates and Related Alkynes." Org. Biomol. Chem. 2013, 11, 7653-7657. [link]


(15) Chakraborty, S.; Patel, Y. J.; Krause, J. A.; Guan, H. "A Robust Nickel Catalyst for Cyanomethylation of Aldehydes. Activation of Acetonitrile under Base-Free Conditions." Angew. Chem. Int. Ed. 2013, 52, 7523-7526. [link]


(14) Chakraborty, S.; Zhang, J.; Patel, Y. J.; Krause, J. A.; Guan, H. "Pincer-Ligated Nickel Hydridoborate Complexes: the Dormant Species in Catalytic Reduction of Carbon Dioxide with Boranes." Inorg. Chem. 2013, 52, 37-47 (featured on cover). [link]

(13) Rodrigo, S. K.; Guan, H. "Quick Installation of a 1,4-Difunctionality via Regioselective Nickel-Catalyzed Reductive Coupling of Ynoates and Aldehydes." J. Org. Chem. 2012, 77, 8303-8309. [link]


(12) Zhang, J.; Adhikary, A.; King, K. M.; Krause, J. A.; Guan, H. "Substituent Effects on Ni−S Bond Dissociation Energies and Kinetic Stability of Nickel Arylthiolate Complexes Supported by a Bis(phosphinite)-Based Pincer Ligand." Dalton Trans. 2012, 41, 7959-7968 (New Talent Americas Issue). [link]


(11) Chakraborty, S.; Patel, Y. J.; Krause, J. A.; Guan, H. "Catalytic Properties of Nickel Bis(phosphinite) Pincer Complexes in the Reduction of CO2 to Methanol Derivatives." Polyhedron 2012, 32, 30-34 (Metal Mediated Transformations of CO2 Issue). [link]

(10) Bhattacharya, P.; Guan, H. "Synthesis and Catalytic Applications of Iron Pincer Complexes." Comments on Inorg. Chem. 2011, 32, 88-112 (invited review). [link]


(9) Bhattacharya, P.; Krause, J. A.; Guan, H. "Iron Hydride Complexes Bearing Phosphinite-Based Pincer Ligands: Synthesis, Reactivity, and Catalytic Application in Hydrosilylation Reactions." Organometallics 2011, 30, 4720-4729. [link]


(8) Huang, F.; Zhang, C.; Jiang, J.; Wang, Z.-X.; Guan, H. "How Does the Nickel Pincer Complex Catalyze the Conversion of CO2 to a Methanol Derivative? A Computational Mechanistic Study." Inorg. Chem. 2011, 50, 3816-3825. [link]

(7) Zhang, J.; Medley, C. M.; Krause, J. A.; Guan, H. "Mechanistic Insights into C-S Cross-Coupling Reactions Catalyzed by Nickel Bis(phosphinite) Pincer Complexes." Organometallics 2010, 29, 6393-6401. [link]


(6) Chakraborty, S.; Zhang, J.; Krause, J. A.; Guan, H. "An Efficient Nickel Catalyst for the Reduction of Carbon Dioxide with a Borane." J. Am. Chem. Soc. 2010, 132, 8872-8873. [link]


(5) Chakraborty, S.; Guan, H. "First-Row Transition Metal Catalyzed Reduction of Carbonyl Functionalities: A Mechanistic Perspective." Dalton Trans. 2010, 39, 7427-7436 (invited Perspective). [link]


(4) Coleman, M. G.; Brown, A. N.; Bolton, B. A.; Guan, H. "Iron-Catalyzed Oppenauer-Type Oxidation of Alcohols." Adv. Synth. Catal. 2010, 352, 967-970. [link]

(3) Zhang, J.; Krause, J. A.; Huang, K.-W.; Guan, H. "Ancillary Ligand and Ketone Substituent Effects on the Rate of Ketone Insertion into Zr-C Bonds of Zirconocene-1-aza-1,3-diene Complexes." Organometallics 2009, 28, 2938-2946. [link]


(2) Chakraborty, S.; Krause, J. A.; Guan, H. "Hydrosilylation of Aldehydes and Ketones Catalyzed by Nickel PCP-Pincer Hydride Complexes." Organometallics 2009, 28, 582-586. [link]

(1) Guan, H. "Titanium and Zirconium Mediated or Catalyzed Umpolung Reactions."  Curr. Org. Chem. 2008, 12, 1406-1430 (invited review). [link]

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