Search Results - "Raymond, C. F."

Estimating englacial radar attenuation using depth profiles of the returned power, central West Antarctica by Matsuoka, K., Morse, D., Raymond, C. F.

“…We analyzed depth patterns of geometrically corrected returned power Pc from within the ice of central West Antarctica to develop a proxy for englacial radar…”
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Palladium Catalyzed Oxidative Coupling of α‑Enolic Dithioesters: A New Entry to 3,4,5-Trisubstituted 1,2-Dithioles via a Double Activation Strategy by Chowdhury, Sushobhan, Chanda, Tanmoy, Koley, Suvajit, Ramulu, B. Janaki, Jones, Raymond C. F, Singh, Maya Shankar

“…An operationally simple, facile, and convenient one-pot straightforward method for the construction of 3,4,5-trisubstituted 1,2-dithioles has been explored and…”
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Isoxazole to oxazole: a mild and unexpected transformation by Jones, Raymond C F, Chatterley, Alexander, Marty, Romain, Owton, W Martin, Elsegood, Mark R J

“…3-Aryltetrahydrobenzisoxazoles prepared en route to the coleophomone natural products and analogues, were found to undergo a remarkable base-mediated…”
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Switch of flow direction in an Antarctic ice stream by Conway, H, Catania, G, Raymond, C. F, Gades, A. M, Scambos, T. A, Engelhardt, H

“…Fast-flowing ice streams transport ice from the interior of West Antarctica to the ocean, and fluctuations in their activity control the mass balance of the…”
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Coenzyme-inspired chemistry 2: 4,5-dihydroimidazolium ylides (NHCs) and the reactions of 2-(1-hydroxyalkyl)-4,5-dihydroimidazoles by Jones, Raymond C F, Nichols, John R

“…Ketones are prepared from aldehydes via 1-benzyl-2-(1-hydroxyalkyl)-4,5-dihydroimidazoles (adducts of the aldehydes with…”
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Sequential stagnation of Kamb Ice Stream, West Antarctica by Catania, G. A., Scambos, T. A., Conway, H., Raymond, C. F.

“…Ice‐penetrating radar data confirm the presence of two relict northern margins of Kamb Ice Stream (KIS), West Antarctica in an area called the Duckfoot…”
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Evidence for floatation or near floatation in the mouth of Kamb Ice Stream, West Antarctica, prior to stagnation by Catania, G. A., Conway, H., Raymond, C. F., Scambos, T. A.

“…Ice‐penetrating radar profiles reveal distinctive internal structure within the flat ice terrains that bound the lower reaches of the now stagnant Kamb Ice…”
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New routes towards reutericyclin analogues by Jones, Raymond C F, Bullous, James P, Law, Carole C M, Elsegood, Mark R J

“…A range of N-acylpyrrolo[3,4-c]isoxazoles and derived N-acyltetramides has been prepared via a nitrile oxide dipolar cycloaddition approach, as analogues of…”
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Preparation of highly substituted pyrrolidines via an organometallic dipole by Christie, Steven D R, Davoile, Ryan J, Jones, Raymond C F

“…Highly substituted pyrrolidines are prepared by formal cycloaddition of imines to a metal-stabilised 'Nicholas' dipole derived from an alkyne-cyclopropane…”
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Imidazolium ylides from a conjugate addition-proton transfer route and their cycloaddition reactions by Jones, Raymond C F, Iley, James N, Sanchis-Amat, Maria, Zhang, Xiaohui, McKee, Vickie, Coles, Simon J, Gelbrich, Thomas

“…4,5-Dihydroimidazolium ylides formed by conjugate addition-proton transfer from dihydroimidazoles and doubly-activated electron-deficient alkenes afford 2:1…”
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Novel formation and use of a Nicholas carbocation in the synthesis of highly substituted tetrahydrofurans by Christie, Steven D R, Davoile, Ryan J, Elsegood, Mark R J, Fryatt, Ross, Jones, Raymond C F, Pritchard, Gareth J

“…The first formation of a Nicholas carbocation through cleavage of a carbon-carbon sigma bond has allowed the preparation of highly substituted tetrahydrofurans…”
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An enantioselective route to pyrrolidines: removal of the chiral template from homochiral pyrroloimidazoles by Jones, Raymond C.F., Howard, Kevin J., Snaith, John S., Blake, Alexander J., Li, Wang-Shei, Steel, Peter J.

“…Two-step reductive removal of the chiral template from optically active pyrroloimidazoles, available from 1,3-dipolar cycloaddition of homochiral…”
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Synthesis of the Pyoverdin Chromophore by a Biomimetic Oxidative Cyclization by Jones, Raymond C. F, Yau, Sze Chak, Iley, James N, Smith, Janet E, Dickson, James, Elsegood, Mark R. J, McKee, Vickie, Coles, Simon J

“…The fluorescent dihydropyrimido[1,2-a]quinoline chromophore of the pyoverdin siderophores has been synthesized by a biomimetic oxidative cyclization using an…”
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Deformation properties of subfreezing glacier ice: Role of crystal size, chemical impurities, and rock particles inferred from in situ measurements by Cuffey, K. M., Conway, H., Gades, A., Hallet, B., Raymond, C. F., Whitlow, S.

“…To improve understanding of the deformation properties of subfreezing polycrystalline glacier ice and, in particular the role of crystal size, chemical…”
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Interfacial water in polar glaciers and glacier sliding at −17°C by Cuffey, K. M., Conway, H., Hallet, B., Gades, A. M., Raymond, C. F.

“…We have observed sliding at a cold (−17°C) ice‐rock interface beneath Meserve Glacier, Antarctica, and the segregation of ice into clean lenses amidst the…”
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An Unexpected Stereochemical Course of Dihydroimidazolium Ylide Cycloadditions by Jones, Raymond C. F., Rafiq, Shabana, Elsegood, Mark R. J., McKee, Vickie, Slater, Martin J.

“…Turning the tables: We have observed an unexpected switch of cycloaddition mode from endo to exo for sulfone‐activated dipolarophiles with achiral…”
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Aldol elaboration of 4,5,6,7-tetrahydroisoxazolo[4,3-c]pyridin-4-ones, masked precursors to acylpyridones by Jones, Raymond C F, Choudhury, Abdul K, Iley, James N, Light, Mark E, Loizou, Georgia, Pillainayagam, Terence A

“…A core 4,5,6,7-tetrahydroisoxazolo[4,3-c]pyridine-4-one scaffold is elaborated at C-3(Me) by base-mediated aldol condensation to give new…”
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Thermal effects on the location of ice stream margins by Jacobson, H. P., Raymond, C. F.

“…West Antarctic ice streams move rapidly over beds that are thawed by heat generated by the motion. Intervening zones of slow‐moving ice are probably freezing…”
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In(OTf)3-catalysed one-pot versatile pyrrole synthesis through domino annulation of α-oxoketene-N,S-acetals with nitroolefins by Srivastava, Abhijeet, Shukla, Gaurav, Nagaraju, Anugula, Verma, Girijesh Kumar, Raghuvanshi, Keshav, Jones, Raymond C F, Singh, Maya Shankar

“…In(OTf)3-catalyzed robust and sustainable one-pot access to previously unknown and synthetically demanding polysubstituted pyrroles via [3 + 2] annulation of…”
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A New 3-(Ethoxycarbonylmethyl)isoxazolopyridone as a Precursor to Acylpyridones by C. F. Jones, Raymond, N. Iley, James, Loizou, Georgia

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