Search Results - "Bentrude, Wesley G."

Trimethyl Phosphite as a Trap for Alkoxy Radicals Formed from the Ring Opening of Oxiranylcarbinyl Radicals. Conversion to Alkenes. Mechanistic Applications to the Study of C−C versus C−O Ring Cleavage by Ding, Bangwei, Bentrude, Wesley G

“…Trimethyl phosphite, (MeO)3P, is introduced as an efficient and selective trap in oxiranylcarbinyl radical (2) systems, formed from haloepoxides 8−13 under…”
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A Facile Route to Vinyl- and Arylphosphonates by Vinyl and Aryl Radical Trapping with (MeO)3P by Jiao, Xian-Yun, Bentrude, Wesley G

“…The generation of vinyl or aryl radicals under classical, thermal AIBN/n-Bu3SnH conditions at 80 °C in the presence of an excess of (MeO)3P gives rise to the…”
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Investigation of the Photolysis of Phosphites by Time-Resolved Electron Spin Resonance by Koptyug, Igor V, Ghatlia, Naresh D, Sluggett, Gregory W, Turro, Nicholas J, Ganapathy, Srinivasan, Bentrude, Wesley G

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Effect of Amino Substituents on the Stereochemical Outcome of the Photo-Arbuzov Rearrangements of 1-Arylethyl Phosphorodiamidites by Bhanthumnavin, Worawan, Bentrude, Wesley G

“…The essentially stereochemically pure 1-arylethyl phosphorodiamidites 8 and 9 were irradiated by UV light in acetonitrile, benzene, and cyclohexane (Tables…”
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NMR and x-ray evidence for the chair conformation of six-membered rings attached diequatorially to five-coordinate phosphorus. Implications for reported transition-state analogs of nucleoside cyclic 3',5'-monophosphate hydrolysis by Huang, Yande, Sopchik, Alan E, Arif, Atta M, Bentrude, Wesley G

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Vinylphosphonate Formation via a Novel Cyclization−Vinyl Radical Trapping Sequence by Jiao, Xian-Yun, Bentrude, Wesley G

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Photo-Arbuzov Rearrangements of 1-Arylethyl Phosphites:  Stereochemical Studies and the Question of Radical-Pair Intermediates by Bhanthumnavin, Worawan, Bentrude, Wesley G

“…The direct UV irradiation of the 1-arylethyl phosphites 7, 8, and 9 was carried out in acetonitrile, benzene, and cyclohexane, as was the…”
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Anomeric-like substituent effects on the chair-chair conformational equilibrium of the 2-oxo-1,3,2-oxazaphosphorinane ring system by Bentrude, Wesley G, Setzer, William N, Ramli, Emmanuel, Khan, Mamunur, Sopchik, Alan E

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Free Radical Chain Reactions of [1.1.1]Propellane with Three-Coordinate Phosphorus Molecules. Evidence for the High Reactivity of the Bicyclo[1.1.1]pent-1-yl Radical by Dockery, Kevin P, Bentrude, Wesley G

“…Three-substituted bicyclo[1.1.1]pent-1-yl radicals (5), generated from additions of radicals to [1.1.1]propellane (1), are found to have high propensities to…”
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Photo-Arbuzov Rearrangements of Benzylic Phosphites. Stereochemistry at Migratory Carbon by Bhanthumnavin, Worawan, Arif, Atta, Bentrude, Wesley G

“…The stereochemistry of the photo-Arbuzov rearrangement of the benzylic phosphite trans-(R,R‘)-10 to the corresponding phosphonate, 11, has been determined by…”
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Triplet-Sensitized Photorearrangements of Six-Membered-Ring 2-Phenylallyl Phosphites. Reaction Efficiency and Stereochemistry at Phosphorus by Hager, David C, Bentrude, Wesley G

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Chair-form six-membered ring attached diequatorially to five-coordinate phosphorus. 1H NMR and x-ray crystallographic study by Huang, Yande, Arif, Atta M, Bentrude, Wesley G

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Laser Flash Photolysis Evidence for Styryl Radical Cation Cyclization in the SET-Induced Photorearrangement of a p-Methoxy-Substituted 2-Phenylallyl Phosphite by Shukla, Deepak, Lu, Cuong, Schepp, Norman P, Bentrude, Wesley G, Johnston, Linda J

“…The SET-induced photorearrangement of dimethyl 2-(4-methoxyphenyl)allyl phosphite, 9 (UV light, uranium glass filter, 9,10-dicyanoanthracene (DCA), biphenyl),…”
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Effects of Structure on the Free Radical Reactions of Hydridophosphoranes with Dimethyl Sulfide by Garrossian, Massoud, Bentrude, Wesley G, Röschenthaler, Gerd-Volker

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Photo-Arbuzov Rearrangements of Dimethyl Benzyl and Dimethyl p-Acetylbenzyl Phosphite by Ganapathy, Srinivasan, Soma Sekhar, B. B. V, Cairns, S. Matthew, Akutagawa, K, Bentrude, Wesley G

“…The direct ultraviolet irradiation of dimethyl benzyl phosphite (1) and dimethyl p-acetylbenzyl phosphite (8) was investigated in acetonitrile, cyclohexane,…”
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SET-Induced Photorearrangement of 2-Phenylallyl Phosphites. Stereochemistry at Phosphorus. Application to Cyclic Nucleotide Derivatives by Hager, David C, Sopchik, Alan E, Bentrude, Wesley G

“…The stereochemistry at phosphorus of the SET-induced photorearrangement of diastereomeric 4-tert-butyl-2-phenylallyl-1,3,2-dioxaphosphorinanes (8) to the…”
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Study of the Conformational Equilibria of 2-Z-3-Methyl-1,3,2-oxazaphosphorinanes. Steric and Stereoelectronic Influences on the Orientation of the Me2N Substituent on Three-Coordinate Phosphorus by Huang, Yande, Yu, Jaehoon, Bentrude, Wesley G

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Photo-Arbuzov rearrangements of cyclic phosphite systems by Landis, Margaret S, Turro, Nicholas J, Bhanthumnavin, Worawan, Bentrude, Wesley G

“…The direct UV irradiation of cyclic phosphites 1– 4 was carried out in argon-saturated solvents. In all cases examined, the rearranged, ring-contracted…”
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Phosphoranyl radicals - their structure, formation, and reactions by Bentrude, Wesley G

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Conformational Equilibria of Phosphoranes with 5-Alkyl-Substituted 1,3,2-Dioxaphosphorinane Rings Attached Diequatorially to Five-Coordinated Phosphorus. Are Boat/Twist Conformations Populated? by Huang, Yande, Bentrude, Wesley G

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