Search Results - "Tenn, William J"

Mechanistic Analysis of Iridium Heteroatom C−H Activation:  Evidence for an Internal Electrophilic Substitution Mechanism by Oxgaard, Jonas, Tenn, William J, Nielsen, Robert J, Periana, Roy A, Goddard, William A

“…The mechanism responsible for C−H activation in Ir(acac)2(OCH3)(C6H6) has been identified and described as an internal electrophilic substitution (IES)…”
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Design and study of homogeneous catalysts for the selective, low temperature oxidation of hydrocarbons by Conley, Brian L., Tenn, William J., Young, Kenneth J.H., Ganesh, Somesh K., Meier, Steven K., Ziatdinov, Vadim R., Mironov, Oleg, Oxgaard, Jonas, Gonzales, Jason, Goddard, William A., Periana, Roy A.

“…The direct, low temperature conversion of hydrocarbons to functionalized products using novel, single site catalysts could lead to technological advances that…”
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Heterolytic CH Activation and Catalysis by an O-Donor Iridium−Hydroxo Complex by Tenn, William J, Young, Kenneth J. H, Oxgaard, Jonas, Nielsen, Robert J, Goddard, William A, Periana, Roy A

“…A well-defined, O-donor ligated iridium hydroxide complex is reported that is competent for benzene CH activation and long-lived catalytic H/D exchange between…”
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CH Activation with an O-Donor Iridium−Methoxo Complex by Tenn, William J, Young, Kenneth J. H, Bhalla, Gaurav, Oxgaard, Jonas, Goddard, William A, Periana, Roy A

“…A thermally and air stable O-donor, iridium−methoxo complex is reported that undergoes stoichiometric, intermolecular C−H activation of benzene with…”
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Oxy-Functionalization of Nucleophilic Rhenium(I) Metal Carbon Bonds Catalyzed by Selenium(IV) by Tenn, William J, Conley, Brian L, Hövelmann, Claas H, Ahlquist, Mårten, Nielsen, Robert J, Ess, Daniel H, Oxgaard, Jonas, Bischof, Steven M, Goddard, William A, Periana, Roy A

“…We report that SeO2 catalyzes the facile oxy-functionalization of (CO)5Re(I)-Meδ− with IO4 − to generate methanol. Mechanistic studies and DFT calculations…”
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Facile Functionalization of a Metal Carbon Bond by O-Atom Transfer by Conley, Brian L, Ganesh, Somesh K, Gonzales, Jason M, Tenn, William J, Young, Kenneth J. H, Oxgaard, Jonas, Goddard, William A, Periana, Roy A

“…The facile conversion of M−R to M−OR that could be useful for the functionalization of electron-rich metal alkyl intermediates is shown to proceed via a…”
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Amidates as Leaving Groups:  Structure/Reactivity Correlation of the Hydroxide-Dependent E1cB-like Breakdown of Carbinolamides in Aqueous Solution by Tenn, William J, Murphy, John L, Bim-Merle, Jessica K, Brown, Jason A, Junia, Adam J, Price, Malea A, Nagorski, Richard W

“…The kinetic study of the aqueous reaction, between pH 10 and 14, of eight N-(hydroxymethyl)benzamide derivatives in water at 25 °C, I = 1.0 M (KCl), has been…”
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Direct formation of propanol from a dilute ethylene feed via reductive-hydroformylation using homogeneous rhodium catalysts at low feed pressures by Rodriguez, Brandon A., Tenn, William J.

“… [Display omitted] ► Reductive Hydroformylation of ethene to propanol with homogeneous rhodium catalysts. ► Performed on dilute feed streams to simulate waste…”
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Perspectives on some challenges and approaches for developing the next generation of selective, low temperature, oxidation catalysts for alkane hydroxylation based on the CH activation reaction by Periana, Roy A., Bhalla, Gaurav, Tenn, William J., Young, Kenneth J.H., Liu, Xiang Yang, Mironov, Oleg, Jones, CJ, Ziatdinov, Vadim R.

“…Challenges and approaches to the de novo, rational development of the next generation of organometallic, alkane functionalization catalysts based on the CH…”
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Influence of basicity on 1,3-butadiene formation from catalytic 2,3-butanediol dehydration over [GREEK SMALL LETTER GAMMA]-alumina by Zeng, Fan, Tenn, William J, Aki, Sudhir N.V.K, Xu, Jiayi, Liu, Bin, Hohn, Keith L

“…Display Omitted * We studied 2,3-butanediol dehydration over two commercial forms of alumina. * Calcination temperature and sodium content cause the…”
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Heterolytic Benzene C−H Activation by a Cyclometalated Iridium(III) Dihydroxo Pyridyl Complex: Synthesis, Hydrogen−Deuterium Exchange, and Density Functional Study by Meier, Steven K, Young, Kenneth J. H, Ess, Daniel H, Tenn, William J, Oxgaard, Jonas, Goddard, William A, Periana, Roy A

“…We report the synthesis of the pincer-cyclometalated (NNC t-Bu)Ir(III) dihydroxo pyridyl complex 6, which catalyzes hydrogen−deuterium (H/D) exchange between…”
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Reactive separation of dilute ethylene by hydroformylation using slurried rhodium catalysts on phosphinated resins and silica by Tenn, William J., Singley, Russell C., Rodriguez, Brandon R., DellaMea, Jennifer C.

“…A series of slurried rhodium catalysts on phosphinated resins and silica were tested for the reactive separation of dilute ethylene by hydroformylation to…”
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Synthesis and Structural Characterization of Novel Organometallic, Rh(III), Bis(acetylacetonate) Complexes by Liu, Xiang Yang, Tenn, William J, Bhalla, Gaurav, Periana, Roy A

“…Recently, we reported the first catalytic, intermolecular, anti-Markovnikov, hydroarylation of unactivated olefins by a homogeneous, bis-chelating, O-donor…”
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Influence of basicity on 1,3-butadiene formation from catalytic 2,3-butanediol dehydration over γ-alumina by Zeng, Fan, Tenn, William J., Aki, Sudhir N.V.K., Xu, Jiayi, Liu, Bin, Hohn, Keith L.

“…[Display omitted] •We studied 2,3-butanediol dehydration over two commercial forms of alumina.•Calcination temperature and sodium content cause the…”
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Kinetic Dependence of the Aqueous Reaction of N-(Hydroxymethyl)benzamide Derivatives upon Addition of Electron-Withdrawing Groups by Tenn, William J, French, Nina L, Nagorski, Richard W

“…The rate constants for the hydronium ion, hydroxide, and water-catalyzed breakdown of N-(hydroxymethyl)benzamide (1), 4-chloro-N-(hydroxymethyl)benzamide (2),…”
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Synthesis, characterization, and C–H activation reactions of novel organometallic O-donor ligated Rh(III) complexes by Tenn, William J., Conley, Brian L., Bischof, Steven M., Periana, Roy A.

“…The synthesis and characterization of the O-donor ligated, air and water stable organometallic complexes trans- ( 2), and cis-(hfac-O,O) 2Rh(CH 3)(py) ( 3),…”
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Rapid amidic hydrolysis: a competitive reaction pathway under basic conditions for N-(hydroxymethyl)benzamide derivatives bearing electron-donating groups by Murphy, John L., Tenn, William J., Labuda, Joseph J., Nagorski, Richard W.

“…Studies of N-(hydroxymethyl)benzamide derivatives have concluded that the hydroxide-dependent reaction occurs via a specific-base catalyzed deprotonation of…”
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Synthesis, characterization, and C–H activation reactions of novel organometallic O-donor ligated Rh(III) complexes by Tenn, William J., Conley, Brian L., Bischof, Steven M., Periana, Roy A.

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Perspectives on some challenges and approaches for developing the next generation of selective, low temperature, oxidation catalysts for alkane hydroxylation based on the CH activation reaction: Heterogeneous Catalysis for Selective Oxidation by PERIANA, Roy A, BHALLA, Gaurav, TENN, William J, YOUNG, Kenneth J. H, XIANG YANG LIU, MIRONOV, Oleg, JONES, C. J, ZIATDINOV, Vadim R

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