● Molecular synthetic inorganic and organometallic chemistry ● High oxidation state metal complexes ● Transition metal complexes with metal-ligand multiple bonds

Recent developments in ruthenium nitrido complexes, X.Y. Yi, Y. Liang, C. Li, RSC Adv., 2013, 3, 3477-3486.

Heteropolymetallic complexes containing ReO4-: catalytic oxidation of sulfide, C. Li, X. Peng, S.C. Zhang, L.Y. Chai, X.Y. Yi, Inorg. Chim. Acta, 2013, Doi:j.ica.2012.12.020.

Catena-Poly [[[diaquanickel(II)-m-pyrazine-2-caboxylato-silver(I)-m-pyrazine-2-carboxylato]nitrate dihydrate], M. Yang, L.Y. Chai, X.Y. Yi, Acta Cryst., 2012, 68, 689.

Ruthenium(VI) nitrido complexes with a sterically bulky bidentate Schiff base ligand, H.Y. Ng, N.M. Lam, M. Yang, X.Y. Yi, I.D. Williams, W.H. Leung, Inorg. Chim. Acta, 2012, 394, 171-175.

Dinuclear ruthenium nitrido complexes supported by an oxygen tripodal ligand, X.Y. Yi, H.Y. Ng, W.M. Cheung, H.H.Y. Sung, I.D. Williams, W.H. Leung, Inorg. Chem., 2012, 51, 10529-10523.

Synthesis and Structure of a Bismuth(III)/Chromium(VI) Oxo Cluster Containing a Bi4Cr4O12 Core, G.C. Wang, X.Y. Yi, I.D. Williams, W.H. Leung, Inorg. Chem., 2011, 50, 9141-9146.

Synthesis, structures and reactivity of ruthenium nitrosyl complexes containing Kläui's oxygen tripodal ligand, H.F. Ip, X.Y. Yi, W.Y. Wong, I.D. Williams, W.H. Leung, Dalton Trans., 2011, 40, 11043-11050.

Ruthenium carbene complexes containing bidentate and tridentate P=O ligands, W.M. Cheung, X.Y. Yi, G.C. Wang, I.D. Williams, W.H. Leung, J. Organomet. Chem., 2011, 696, 4007-4010.

Formation of a dinuclear imido complex from the reaction of a ruthenium(VI) nitride with a ruthenium(II) hydride, X.Y. Yi, H.Y. Ng, I.D. Williams, W.H. Leung, Inorg. Chem., 2011, 50, 1161-1163.

Anti-degradation of a recombinant complex protein by incorporation in small molecular hydrogels, H.M. Wang, Z. Wang, X.Y. Yi, J.F. Long, J.F. Liu, Z.M. Yang, Chem. Commun., 2011, 47, 955-957.

Syntheses, structures, and reactivity of ruthenium(II) hydrido complexes containing Kläui’s oxygen tripodal ligand,X.Y. Yi, H.Y.N. G, C.S. Lai, I.D. Williams, W.H. Leung, Sci. China Chem., 2010, 53, 2139-2143.

Hydrolysis of Bis(p-nitrophenyl)phosphate with Tetravalent Metal Complexes Containing Kläui’s Oxygen Tripodal Ligand, X.Y. Yi, T.C.H. Lam, I.D. Williams, W.H. Leung, Inorg. Chem., 2010, 49, 2232–2238.

Heterometallic Ti/M (M = Ru, Re) Sulfato Complexes Containing the Kläui Tripodal Ligand: Structural Model for Sulfated Metal Oxide-Supported Catalyst, X.Y. Yi, H.H.Y. Sung, Q.F. Zhang, I.D. Williams, W.H. Leung, Dalton Trans., 2010, 39, 5737-5741.

C–H Activation with Iridium(III) and Rhodium(III) Alkyl Complexes Containing a 2,2’-Bipyridyl Ligand, X.Y. Yi, K.W. Chan, E.K. Huang, Y.K. Sau, I.D. Williams, W.H. Leung, Eur. J. Inorg. Chem., 2010, 2369-2375.

Insertion of Nitrene and Chalcogenolate Groups Into the Ir-C Bond in a Cyclometalated Iridium(III) Complex, Y.K. Sau, X.Y. Yi, K.W. Chan, C.S. Chan, I.D. Williams, W.H. Leung, J. Organomet. Chem., 2010, 695, 1399-1404.

Formation of a Ruthenium(II) Dicyclohexyl(h2-cyclohex-3-enyl)phosphine Hydride Complex from an Alkylidene Precursor, W.M. Cheung, W.H. Chiu, X.Y. Yi, Q.F. Zhang, I.D. Williams, W.H. Leung, Organometallics, 2010, 29, 1981-1984

Synthesis and Structures of Zirconium(IV) Hydrogensulfato and Carboxylato Complexes with Kläui’s Oxygen Tripodal Ligand, X.Y. Yi, Q.F. Zhang, I.D. Williams, W.H. Leung, J. Organomet. Chem., 2009, 694, 4256-4260.

Ruthenium(VI) and Osmium(VI) Nitrido Complexes with Halogenated Phenolato and Thiophenolato Ligands, N.M. Lam, X.Y. Yi, W.M. Cheung, Q.F. Zhang, I.D. Williams, W.H. Leung, Inorg. Chim. Acta., 2009, 362, 5190-5194.

Cerium(IV)-containing oxomolybdenum cluster with a unique Ce6Mo9O38 core structure, X.Y. Yi, H.H.Y. Sung, I.D. Williams, W.H. Leung Chem. Commun., 2008, 3269-3271.

Electrophilic Ruthenium (VI) Nitrido Complexes Containing Kläui’s Oxygen Tripodal Ligand, X.Y. Yi, T.C.H. Lam, Y.K. Sau, Q.F. Zhang, I.D. Williams, W.H. Leung, Inorg. Chem., 2007, 46, 7193-7198.

Recent developments in the coordination and organometallic chemistry of Kläui’s oxygen tripodal ligands, W.H. Leung, Q.F. Zhang, X.Y. Yi, Coord. Chem. Rev., 2007, 251, 2266-2279.