Home Members Research Publications Pictures Links Department Tufts U.	Recent publications: J.P. Wikstrom; A.Y. Nazarenko; W.M. Reiff; E.V. Rybak-Akimova Synthesis and characterization of tetrakis(m -hydroxo)tetrakis(2,2'-dipicolylamine)tetranickel perchlorate, a nickel-hydroxy cubane complex. Inorg. Chim. Acta, 2007, 360, 3733-3740. HTML PDF Korendovych, I.V.; Kryatov, S.V.; Rybak-Akimova, E.V. Dioxygen activation at non-heme iron: Insights from rapid kinetic studies.  Acc. Chem. Res. 2007, 40, 510-521. HTML PDF A. Company; L. Gomez;  R. Mas-Balleste; I.V. Korendovych;  X. Ribas;  A. Poater;  T. Parella;  X. Fontrodona;  J. Benet-Buchholz;  M. Sola;  L. Que, Jr.; E.V. Rybak-Akimova; M. Costas. Fast O2 Binding at Dicopper Complexes Containing Schiff-Base Dinucleating Ligands. Inorg. Chem. 2007, 46, 4997-5012. HTML PDF I.V. Korendovych; O.P. Kryatova; W.M. Reiff; E.V. Rybak-Akimova. Iron(II) Complexes with Amide-Containing Macrocycles as Non-Heme Porphyrin Analogues. Inorg. Chem. 2007, 46, 4197-4211. HTML PDF S. Taktak; W. Ye; A.M. Herrera; E.V. Rybak-Akimova. Synthesis and Catalytic Properties in Olefin Epoxidation of Novel Iron(II) Complexes with Pyridine-Containing Macrocycles Bearing an Aminopropyl Pendant Arm. Inorg. Chem. 2007, 46, 2929-2942. HTML PDF J.D. Soper, S.V. Kryatov, E.V. Rybak-Akimova, D.G. Nocera. Proton-directed redox control of O-O bond activation by heme hydroperoxidase models. J. Am. Chem. Soc. 2007, 129, 5069-5075. HTML PDF I.V. Korendovych, R.R. Roesner, E.V. Rybak-Akimova. Molecular recognition of neutral and charged guests using metallomacrocyclic hosts. Advances in Inorganic Chemistry (invited review), Academic Press: Amsterdam, 2007. Edited by van Eldik, R., and Bowman-James, C. Volume 59: Template Effects and Molecular Organization; pp. 109 – 173 S. Taktak, S. V. Kryatov, T. E. Haas, E. V. Rybak-Akimova Diiron(III) oxo-bridged complexes with BPMEN and additional monodentate or bidentate ligands: Synthesis and reactivity in olefin epoxidation with H2O2. J. Mol. Cat. A 2006, 259(1-2), 24-34 HTML PDF S.-Y. Liu, J. D. Soper, J. Y. Yang, E. V. Rybak-Akimova, D. G. Nocera Mechanistic Studies of Hangman Salophen-Mediated Activation of O-O Bonds. Inorg. Chem. 2006, 45, 7572-7574 HTML PDF M. P. Jensen, E. L. Que, X. Shan, E. V. Rybak-Akimova, L. Que, Jr. Spectroscopic and kinetic studies of the reaction of [CuI(6-PhTPA)]^+ with O2. Dalton Trans. 2006, 3523-3527 HTML PDF J.E. McDonough, J.J. Weir, K. Sukcharoenphon, C.D. Hoff, O.P. Kryatova, E.V. Rybak-Akimova, B.L. Scott, G.J. Kubas, A. Mendiratta, C.C. Cummins Comparison of Thermodynamic and Kinetic Aspects of Oxidative Addition of PhE-EPh (E = S, Se, Te) to Mo(CO)3(PR3)2, W(CO)3(PR3)2, and Mo(N[tBu]Ar)3 Complexes. The Role of Oxidation State and Ancillary Ligands in Metal Complex Induced Chalcogenyl Radical Generation. J. Am. Chem. Soc. 2006, 128, 10295-10303 HTML PDF I.V. Korendovych, M. Cho, P.L. Butler, R.J. Staples, E.V. Rybak-Akimova Anion Binding to Monotopic and Ditopic Macrocyclic Amides. Org. Lett. 2006, 8, 3171-3174 HTML PDF A. Company, D. Lamata, A. Poater, M. Sola, E.V. Rybak-Akimova, L. Que, Jr., X. Fontrodona, T. Parella, A. Llobet, M. Costas. O2 Chemistry of Dicopper Complexes with Alkyltriamine Ligands. Comparing Synergistic Effects on O2 Binding. Inorg. Chem. 2006, 45, 5239-5241 HTML PDF I.V. Korendovych, O.V. Makhlynets, S.K. Buzak, M.M. Flook, S.V. Kryatov, T.E. Haas, E.V. Rybak-Akimova. (1R,2R)-(+)-4,4'-Di-tert-butyl-2,2'-[1,2-diphenylethane-1,2-diylbis(nitrilomethylidyne)]diphenol Acta Cryst. 2006 E62, o1240-o1242. Copyright © International Union of Crystallography PDF A. Mendiratta, C.C. Cummins, O.P. Kryatova, E.V. Rybak-Akimova, J.E. McDonough, C.D. Hoff Benzonitrile Extrusion from Molybdenum(IV) Ketimide Complexes Obtained via Radical C-E (E = O, S, Se) Bond Formation: Toward a New Nitrogen Atom Transfer Reaction. J. Am. Chem. Soc. 2006, 128, 4881-4891 HTML PDF I.V. Korendovych, S. V. Kryatov, W.M. Reiff, E. V. Rybak-Akimova Diiron(II) m-Aqua-m-hydroxo Model for Non-Heme Iron Sites in Proteins Inorg. Chem.  2005, 44, 8656-8658 HTML PDF S. Taktak; M.  Flook; B. M. Foxman; L. Que, Jr.; E.V. Rybak-Akimova ortho-Hydroxylation of benzoic acids with hydrogen peroxide at a non-heme iron center. Chem. Commun. 2005, 42, 5301-5303 HTML PDF F. H. Stephens; M. J. A.  Johnson; C. C. Cummins; O. P. Kryatova; S. V. Kryatov; E. V. Rybak-Akimova; J. E. McDonough; C. D. Hoff Mechanism of White Phosphorus Activation by Three-Coordinate Molybdenum(III) Complexes: A Thermochemical, Kinetic, and Quantum Chemical Investigation. J. Am. Chem. Soc. 2005, 127, 15191-15200 HTML PDF S. V. Kryatov, E. V. Rybak-Akimova, S. Schindler Kinetics and Mechanisms of Formation and Reactivity of Non-heme Iron Oxygen Intermediates Chem. Rev. 2005, 105, 2175-2226 HTML PDF J. E. McDonough; J. J. Weir; M. J. Carlson; C. D. Hoff; O. P. Kryatova; E. V. Rybak-Akimova; C. R. Clough; C.C. Cummins. Solution Calorimetric and Stopped-Flow Kinetic Studies of the Reaction of ^.Cr(CO)3C5Me5 with PhSe-SePh and PhTe-TePh. Experimental and Theoretical Estimates of the Se-Se, Te-Te, H-Se, and H-Te Bond Strengths. Inorg. Chem. 2005, 44, 3127-3136 HTML PDF S. V. Kryatov, S. Taktak, I. V. Korendovych, E. V. Rybak-Akimova, J. Kaizer, S. Torelli, Xiaopeng Shan, S. Mandal, V. L. MacMurdo, A. Mairata i Payeras, and L. Que, Jr. Dioxygen Binding to Complexes with Fe^II2(-OH)2 Cores: Steric Control of Activation Barriers and O2-Adduct Formation Inorg. Chem. 2005, 44, 85 - 99 HTML PDF N. W. Aboelella, S. V. Kryatov, B. F. Gherman, W. W. Brennessel, V. G. Young, Jr., R. Sarangi, E. V. Rybak-Akimova, K. O. Hodgson, B. Hedman, E. I. Solomon, C. J. Cramer, and W. B. Tolman Dioxygen Activation at a Single Copper Site: Structure, Bonding, and Mechanism of Formation of 1:1 Cu-O2 Adducts J. Am. Chem. Soc. 2004, 126, 16896 - 16911 HTML PDF Jun-Jieh Wang, O. P. Kryatova, E. V. Rybak-Akimova, and R. H. Holm Comparative Kinetics and Mechanism of Oxygen and Sulfur Atom Transfer Reactions Mediated by Bis(dithiolene) Complexes of Molybdenum and Tungsten Inorg. Chem. 2004, 43, 8092 - 8101 HTML PDF S. Taktak, S.V. Kryatov, E.V. Rybak-Akimova Reactivity of a (m-Oxo)(m-hydroxo)diiron(III) Diamond Core with Water, Urea, Substituted Ureas, and Acetamide Inorg. Chem. 2004, 43, 7196 - 7209 HTML PDF I.V. Korendovych, R.J. Staples, W.M. Reiff, E.V. Rybak-Akimova A New High-Spin Iron(III) Complex with a Pentadentate Macrocyclic Amidopyridine Ligand: A Change from Slow Single-Ion Paramagnetic Relaxation to Long-Range Antiferromagnetic Order in a Hydrogen-Bonded Network Inorg. Chem. 2004, 43, 3930-3941 HTML PDF F.H. Stephens, J.S. Figueroa, C.C. Cummins, O.P. Kryatova, S.V. Kryatov, E.V. Rybak-Akimova, E.J. McDonough, C.D. Hoff Small-Molecule Activation by Molybdaziridine Hydride Complexes: Mechanistic Sequence of the Small-Molecule Binding and Molybdaziridine Ring-Opening Steps. Organometallics, 2004, 23, 3126-3138. HTML PDF O.P. Kryatova, I.V. Korendovych, E.V. Rybak-Akimova. Complexes of benzo-15-crown-5 with protonated primary amines and diamines Tetrahedron, 2004, 60, 4579-4588. HTML PDF S. V. Kryatov, F. A. Chavez, A. M. Reynolds, E. V. Rybak-Akimova, L. Que, Jr., W. B. Tolman Mechanistic Studies on the Formation and Reactivity of Dioxygen Adducts of Diiron Complexes Supported by Sterically Hindered Carboxylates Inorg. Chem. 2004, 43, 2141 - 2150 HTML PDF I.V. Korendovych, E.V. Rybak-Akimova. Chloro{2,2'-[(1S,2S)-1,2-diphenyl-1,2-ethanediylbis(nitrilomethylidyne)]diphenolato-k^4 O,N,N',O'}(ethanol-kO)manganese(III) Acta Cryst. 2004 C60, m82-m84. Copyright © International Union of Crystallography PDF A. Mendiratta, C.C. Cummins, O.P. Kryatova, E. V. Rybak-Akimova, J. E. McDonough, C. D. Hoff  Molybdenum Chalcogenobenzimidato Complexes: Radical Synthesis and Nitrile Extrusion via b-EPh (E = S, Se, and Te) Elimination. Inorg. Chem. 2003, 42, 8621-8623. HTML PDF Aida M. Herrera , Ganna V. Kalayda , Jeremy S. Disch , Jeffrey P. Wikstrom , Ivan V. Korendovych , Richard J. Staples , Charles F. Campana , Alexander Y. Nazarenko , Terry E. Haas and Elena V. Rybak-Akimova Reactions at the Azomethine C=N Bonds in the Nickel(II) and Copper(II) Complexes of Pyridine-containing Schiff-base Macrocyclic Ligands. Dalton. Trans. 2003, 4482-4492 HTML PDF Top 10 Accessed Article in November 2003! M. Costas, C.W. Cady, S.V. Kryatov, M. Ray, M.J. Ryan, E.V. Rybak-Akimova, L. Que, Jr. Role of Carboxylate Bridges in Modulating Nonheme Diiron(II)/O2 Reactivity. Inorg. Chem. 2003, 42, 7519-7530. HTML PDF J.S. Disch, R.J. Staples, T.E. Concolino, T.E. Haas, E.V. Rybak-Akimova. Nickel(II) Cyclidenes with Appended Ethylpyridine Receptor Centers as Molecular Tweezers for Dicarboxylic Acids. Inorg. Chem. 2003, 42, 6749-6763 HTML PDF I.V. Korendovych, E.V. Rybak-Akimova. (-)-(1S,2S)-N,N'-Bis(salicylidene)-1,2-diphenyl-1,2-ethanediamine. Acta Cryst. 2003 E59, o1498-o1500 Copyright © International Union of Crystallography PDF O.P. Kryatova, I.V. Korendovych, E.V. Rybak-Akimova. Proton-induced supramolecular dimerization of aminomethylbenzo-15-crown-5 accompanied by a covalent dimerization of cyanoborohydride anion. Tetrahedron Lett. 2003, 44, 4251-4255. PDF S.V. Kryatov, E.V. Rybak-Akimova, F. Meyer, H. Pritzkow. A study of the equilibrium and kinetics of urea binding by a biomimetic dinickel(II) complex. Eur. J. Inorg. Chem. 2003, 1581-1590.HTML PDF A.M. Herrera, R.J. Staples, S.V. Kryatov, A.Y. Nazarenko, E.V. Rybak-Akimova. Nickel(II) and copper(II) complexes with pyridine-containing macrocycles bearing an aminopropyl pendant arm: synthesis, characterization, and modifications of pendant amino group. Dalton Trans. 2003, 846-856.HTML PDF SUPP O.P. Kryatova, A.G. Kolchinski, E.V. Rybak-Akimova. Metal-containing ditopic receptors for molecular recognition of diammonium cations. Tetrahedron 2003, 231-239. PDF O.P. Kryatova, S.V. Kryatov, R.J. Staples, E.V. Rybak-Akimova. Stable supramolecular dimer of self-complementary benzo-18-crown-6 with a pendant arm. Chem. Comm. 2002, 3014-3015.HTML PDF E.V. Basiuk (Golovataya-Dzhumbeeva), E.V. Rybak-Akimova, V.A. Basiuk, D. Acosta-Najarro, J.M. Saniger. Adsorption modification of single-walled carbon nanotubes with tetraazaannulene macrocyclic complexes. Nano Letters 2002, 2, 1249-1252.HTML PDF O.P. Kryatova, A.G. Kolchinski, E.V. Rybak-Akimova. "Molecular tweezers for dicarboxylic acids based on a saddle-shaped metallomacrocyclic platform." J. Inclusion Phenom. Macrocyclic Chem., 2002, 43(3-4), 251-260 Journal A. Y. Nazarenko, P. D. Robinson, R. M. Wilson, A. G. Kolchinski, J. S. Disch, E. V. Rybak-Akimova. "Structural consequences of deacylation of Nickel(II) cyclidenes in acidic and basic conditions." J. Inclusion Phenom. Macrocyclic Chem., 2002, 43(1-2), 83-88. Abstract Chavez, Ferman A.; Ho, Raymond Y. N.; Pink, Maren; Young, Victor G., Jr.; Kryatov, Sergei V.; Rybak-Akomova, Elena V.; Andres, Hanspeter; Munck, Eckard; Que, Lawrence, Jr.; Tolman, William B. "Communications: Unusual peroxo intermediates in the reaction of dioxygen with carboxylate-bridged diiron(II,II)." Angewandte Chemie, International Edition 2002, 41(1), 149-152. HTML PDF SUPP Kryatov, Sergey V.; Mohanraj, B. Sharmila; Tarasov, Vladislav V.; Kryatova, Olga P.; Rybak-Akimova, Elena V.; Nuthakki, Bharathi; Rusling, James F.; Staples, Richard J.; Nazarenko, Alexander Y. "Nickel(II) Complexes with Tetra- and Pentadentate Aminopyridine Ligands: Synthesis, Structure, Electrochemistry, and Reduction to Nickel(I) Species." Inorganic Chemistry 2002, 41(4), 923-930.HTML PDF SUPP Rybak-Akimova, Elena V. "Macrocyclic metallocomplexes in multipoint molecular recognition of neutral and anionic guests." Rev. Inorg. Chem. 2001, 21(3-4), 207-298. Rybak-Akimova, Elena V.; Nazarenko, Alexander Y.; Chen, Lisa; Krieger, Paul W.; Herrera, Aida M.; Tarasov, Vladislav V.; Robinson, Paul D. "Synthesis, characterization, redox properties, and representative X-ray structures of four- and five-coordinate copper(II) complexes with polydentate aminopyridine ligands." Inorganica Chimica Acta 2001, 324(1,2), 1-15. HTML PDF Cherry, John-Paul F.; Johnson, Adam R.; Baraldo, Luis M.; Tsai, Yi-Chou; Cummins, Christopher C.; Kryatov, Sergey V.; Rybak-Akimova, Elena V.; Capps, Kenneth B.; Hoff, Carl D.; Haar, Christopher M.; Nolan, Steven P. "On the Origin of Selective Nitrous Oxide N-N Bond Cleavage by Three-Coordinate Molybdenum(III) Complexes." J. Am. Chem. Soc. 2001, 123(30), 7271-7286.HTML PDF SUPP Kryatov, Sergey V.; Smith, Millicent B.; Rybak-Akimova, Elena V.; Nazarenko, Alexander Y. "Condensation of acetonitrile into N-acetimidoylacetamidine promoted by a dinuclear nickel(II) complex." Chem. Commun. 2001, (13), 1174-1175. PDF SUPP Kryatov, Sergey V.; Rybak-Akimova, Elena V.; MacMurdo, Vicki L.; Que, Lawrence, Jr. "A Mechanistic Study of the Reaction between a Diiron(II) Complex [Fe^II2(m-OH)2(6-Me3-TPA)2]^2+ and O2 to Form a Diiron(III) Peroxo Complex." Inorg. Chem. 2001, 40(10), 2220-2228. HTML PDF SUPP Kryatov, Sergey V.; Rybak-Akimova, Elena V.; Nazarenko, Alexander Y.; Robinson, Paul D. "A dinuclear iron(III) complex with a bridging urea anion: implications for the urease mechanism." Chem. Commun. 2000, (11), 921-922. PDF SUPP Rybak-Akimova, Elena V.; Kuczera, Krzysztof. "Ligand Binding inside the Cavities of Lacunar and Saddle-Shaped Cyclidene Complexes: Molecular Mechanics and Molecular Dynamics Studies." Inorg. Chem. 2000, 39(12), 2462-2472. HTML PDF SUPP Kryatov, Sergey V.; Rybak-Akimova, Elena V. "A kinetic study of the formation of a model high-valent diiron non-heme complex, [Fe^IIIFe^IV(m-O)2(tpa)2]^3+ (tpa = tris(2-pyridylmethyl)amine), by cryogenic stopped-flow techniques." J. Chem. Soc., Dalton Trans. 1999, (19), 3335-3336. PDF SUPP Rybak-Akimova, Elena V.; Nazarenko, Alexander Y.; Silchenko, Svetlana S. "Unusual Ligand Isomerization Dictated by Coordination Requirements of the Metal Ion: A Double-Bond Shift in Cu(II)-Assisted Template Condensation between Diacetylpyridine and a Tripodal Tetramine." Inorg. Chem. 1999, 38(12), 2974-2980. HTML PDF SUPP
	Copyright © Tufts University Chemistry Department and the Rybak-Akimova Research Group 1996-2002