Search Results - "C. F. Jones, Raymond"

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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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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A New 3-(Ethoxycarbonylmethyl)isoxazolopyridone as a Precursor to Acylpyridones by C. F. Jones, Raymond, N. Iley, James, Loizou, Georgia

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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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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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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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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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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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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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Regioselective quadruple domino aldolization/aldol condensation/Michael/SNAr-cyclization: construction of hexacyclic indeno-fused C-nor-D-homo-steroid frameworks by Chanda, Tanmoy, Chowdhury, Sushobhan, Ramulu, B. Janaki, Koley, Suvajit, Jones, Raymond C.F., Singh, Maya Shankar

“…An operationally simple and highly atom-economic anionic quadruple domino reaction sequence for the synthesis of hexacyclic indeno-fused naphthalene/quinoline…”
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Coenzyme-inspired chemistry 1: the C-2 alkylation of 4,5-dihydroimidazoles by Jones, Raymond C.F., Nichols, John R.

“…Alkylation of 4,5-dihydroimidazoles at C-2 is accomplished using a double umpolung of the reactivity of that position, via sulfenylation of a nucleophilic C-2…”
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ISOLATION OF NOVEL PARA-PENTYL PHENYL BENZOATE FROM MONDIA WHITEI. (HOOK.F.) SKEELS (PERIPLOCACEAE), ITS STRUCTURE, SYNTHESIS AND NEUROPHARMACOLOGICAL EVALUATION by Taiwo, Bamigboye J, Osasan, Josephine Y, Olubiyi, Olujide O, Oyemitan, Idris A, Atoyebi Shakir, AM, Elsegood, Mark R.J, Jones, Raymond C.F

“…Background: Mondia whitei L. (Hook. F.) Skeels (Periplocaceae) is a medicinal plant used locally in managing pain, fever, loss of appetite and as aphrodiasc in…”
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Cycloaddition of homochiral dihydroimidazoles: a 1,3-dipolar cycloaddition route to optically active pyrrolo[1,2-a]imidazoles by Jones, Raymond C F, Howard, Kevin J, Snaith, John S, Blake, Alexander J, Li, Wang-Shei, Steel, Peter J

“…N-Alkylation of optically active 1-benzyl-4-phenyl-4,5-dihydroimidazole with active alkyl halides and treatment of the so-formed 4,5-dihydroimidazolium ions…”
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Explorations of an intramolecular route to pyrrolo[3,4-b]isoxazoles: an unexpected retro-Claisen reaction by Jones, Raymond C. F., Law, Carole C. M., Elsegood, Mark R. J.

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Novel heterocyclic α-amino acids with sulfur-containing side-chains by Jones, Raymond C. F., Crumpling, Lisa J., Iley, James N.

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Dehydrogenation–halogenation of a 4,5,6,7-tetrahydroisoxazolo[4,3-c]pyridin-4-one to provide a scaffold for acylpyridones by Jones, Raymond C. F., Choudhury, Abdul K., Dawson, Claire E., Lumley, Christopher, McKee, Vickie

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