Search Results - "Sowa Jr, John R."

Ruthenium-Catalyzed Asymmetric Transfer Hydrogenation of Allylic Alcohols by an Enantioselective Isomerization/Transfer Hydrogenation Mechanism by Wu, Ruoqiu, Beauchamps, Marie G., Laquidara, Joseph M., Sowa Jr, John R.

“…Reducing hazards: A asymmetric transfer hydrogen reaction was developed to reduce prochiral allylic alcohols in high yield and excellent enantioselectivity…”
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Inclusion of Organic Vapors by Crystalline, Solvatochromic [Pt(aryl isonitrile)4][Pd(CN)4] Compounds. "Vapochromic" Environmental Sensors by Exstrom, Christopher L, Sowa, John R. Jr, Daws, Charles A, Janzen, Daron, Mann, Kent R, Moore, Glenn A, Stewart, Frederick F

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A rapid, acetonitrile-free, HPLC method for determination of melamine in infant formula by Venkatasami, Gopalakrishnan, Sowa, John R.

“…A simple, precise, accurate and validated, acetonitrile-free, reverse phase high performance liquid chromatography (HPLC) method is developed for the…”
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Utilizing Native Directing Groups: Mechanistic Understanding of a Direct Arylation Leads to Formation of Tetracyclic Heterocycles via Tandem Intermolecular, Intramolecular C–H Activation by Wisniewski, Steven R, Savage, Scott A, Romero, Evan O, Eastgate, Martin D, Tan, Yichen, Simmons, Eric M, Plata, R. Erik, Sowa, John R, Blackmond, Donna G

“…A mechanistic study on a direct arylation using a native picolylamine directing group is reported. Kinetic studies determined the concentration dependence of…”
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Quantitative Analysis of Polycyclic Aromatic Hydrocarbons at Part Per Billion Levels in Fish Oil by Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry (HS-SPME-GC-MS) by Chopra, Shilpi, Ridley, Lauren, Murphy, Wyatt R, Sowa, John R, Bentivegna, Carolyn S, Snow, Nicholas H

“…Abstract Headspace solid-phase microextraction (HS-SPME) was used in combination with gas chromatography-mass spectrometry (GC-MS) for the analysis of…”
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Asymmetric Transfer Hydrogenation of Secondary Allylic Alcohols by Shoola, Christopher O., DelMastro, Thomas, Wu, Ruoqiu, Sowa Jr, John R.

“…Racemic secondary allylic alcohols were transformed into optically active secondary alcohols by a combined Ru‐catalyzed isomerization/asymmetric…”
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Attenuated total reflection infrared spectroscopy (ATR-IR) as an in situ technique for dissolution studies by KASSIS, Abe, BHAWTANKAR, Vrushali M, SOWA, John R

“…Dissolution studies are critical tests for measuring the performance of a drug product. We have developed a novel technique using in situ ATR-IR spectroscopy…”
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Suzuki-Miyaura Cross-Coupling With Quasi-Heterogeneous Palladium by Conlon, David A., Pipik, Brenda, Ferdinand, Simone, LeBlond, Carl R., Sowa Jr, John R., Izzo, Bill, Collins, Paul, Ho, Guo-Jie, Williams, J. Michael, Shi, Yao-Jun, Sun, Yongkui

“…The Suzuki–Miyaura cross‐coupling reaction using heterogeneous Pd/C has a homogeneous component. The soluble palladium concentration increases during the…”
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What is the Rate of the Csp2−Csp2 Reductive Elimination Step? Revealing an Unusually Fast Ni-Catalyzed Negishi-Type Oxidative Coupling Reaction by Jin, Liqun, Zhang, Hua, Li, Peng, Sowa, John R, Lei, Aiwen

“…For a direct quantitative investigation of the Csp2−Csp2 reductive elimination rate within a catalytic cycle, a novel oxidative coupling system in the presence…”
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Ruthenium-Catalyzed Asymmetric Transfer Hydrogenation of Allylic Alcohols by an Enantioselective Isomerization/Transfer Hydrogenation Mechanism by Wu, Ruoqiu, Beauchamps, Marie G., Laquidara, Joseph M., Sowa Jr, John R.

“…Reduzierte Gefahr: Mit der Titelreaktion werden prochirale Allylalkohole mit hohen Ausbeuten und exzellenten Enantioselektivitäten reduziert (siehe Beispiel)…”
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Kinetic study on the epimerization of trityloxymethyl butyrolactol by liquid chromatography by Li, L., Thompson, Richard, Sowa, John R., Clausen, Andrew, Dowling, Thomas

“…The epimerization of trityloxymethyl butyrolactol has been investigated using dynamic chromatography and an approximation function introduced by Trapp and…”
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A theoretical investigation on the mechanism of a palladium-mediated formal 6pi electrocyclic synthesis of 9,10-dihydrophenanthrenes by Lan, Yu, Wang, Can, Sowa, Jr, John R, Wu, Yun-Dong

“…Recently, a new method for the palladium-catalyzed synthesis of 9,10-dihydrophenanthrenes was published. A proposed mechanism indicated that the reaction…”
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Kinetic analysis of the asymmetric amplification exhibited by B-chlorodiisopinocampheylborane by Moeder, Charles W., Sowa Jr, John R.

“…A quantitative investigation was undertaken to determine experimentally the relative reaction rates of the heterochiral and homochiral species of…”
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p-Decyl­phenyl isocyanide and p-decyl­benzo­nitrile: isomorphous iso­nitrile/nitrile isomers by Britton, Doyle, Sowa Jr, John R., Mann, Kent R.

“…p‐Decyl­phenyl isocyanide, p‐C10H21–C6H4–NC or C17H25N, and p‐decyl­benzo­nitrile, p‐C10H21–C6H4–CN or C17H25N, are isomorphous. The mol­ecules lie in mirror…”
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p-decylphenyl isocyanide and p-decylbenzonitrile: isomorphous isonitrile/nitrile isomers by BRITTON, Doyle, SOWA, John R, MANN, Kent R

“…p-Decylphenyl isocyanide, p-C(10)H(21)-C(6)H(4)-NC or C(17)H(25)N, and p-decylbenzonitrile, p-C(10)H(21)-C(6)H(4)-CN or C(17)H(25)N, are isomorphous. The…”
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