Search Results - "Afarinkia, K"

Control of the stereochemistry of C14 hydroxyl during the total synthesis of withanolide E and physachenolide C by Anees, M, Nayak, S, Afarinkia, K, Vinader, V

“…The stereochemical outcome of the epoxidation of Δ cholestanes with mCPBA is controlled by the steric bulk of a C17 substituent. When the C17 is in the β…”
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Carbasugar probes to explore the enzyme binding pocket at the anomeric position: application to the design of Golgi mannosidase II inhibitors by Vinader, M V, Afarinkia, K

“…A methodology is described for the highly efficient and divergent synthesis of pseudosugars which allows the stereoselective introduction of polar groups at…”
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Recent advances in the chemistry of azapyranose sugars by Afarinkia, Kamyar, Bahar, Akmal

“…[Display omitted] This report covers the natural occurrence and recent (1998 to 2004) reported syntheses of azapyranose sugars…”
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Control of the stereochemistry of C14 hydroxyl during the total synthesis of withanolide E and physachenolide CElectronic supplementary information (ESI) available: For detailed experimental procedure and characterisation of all compounds. CCDC 1861117. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8ra08540d by Anees, M, Nayak, S, Afarinkia, K, Vinader, V

“…The stereochemical outcome of the epoxidation of Δ 14-15 cholestanes with mCPBA is controlled by the steric bulk of a C17 substituent. When the C17 is in the β…”
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An Experimental and Computational Investigation of the Diels−Alder Cycloadditions of Halogen-Substituted 2(H)-Pyran-2-ones by Afarinkia, Kamyar, Bearpark, Michael J, Ndibwami, Alexis

“…Diels−Alder reactions of 3- and 5-halo-subsituted 2(H)-pyran-2-ones with both electron-rich and electron-deficient dienophiles afford stable and readily…”
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Diels–Alder cycloaddition of 5-aryl-2-pyrones by Afarinkia, Kamyar, Berna-Canovas, Jose

“…Regio- and stereoselectivity of the Diels–Alder cycloadditions of a range of 5-aryl-2-pyrones are reported…”
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Hewitt reaction revisited by Afarinkia, Kamyar, Yu, Hiu-wan

“…A range of alkyl phenylphosphonites are prepared from the reaction of phenylphosphinic acid with the corresponding alkyl chloroformates. A mechanism for this…”
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Computational and Experimental Investigation of the Diels−Alder Cycloadditions of 4-Chloro-2(H)-pyran-2-one by Afarinkia, Kamyar, Bearpark, Michael J, Ndibwami, Alexis

“…4-Chloro-2(H)-pyran-2-one undergoes thermal Diels−Alder cycloaddition with electron-deficient dienophiles to afford, without any significant selectivity,…”
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A novel and concise synthesis of (±) 2- epi-validamine by Afarinkia, Kamyar, Mahmood, Farzana

“…(±) 2- epi-Validamine has been synthesised in five steps by the chemical manipulation of the bicyclic lactone cycloadduct of ethyl coumalate and vinylene…”
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2( H )-1,4-Oxazin-2-ones as ambident azadienes by Afarinkia, Kamyar, Bahar, Akmal, Neuss, Judi, Ruggiero, Andrea

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Control of electron demand in the cycloadditions of 2( H)-1,4-oxazin-2-ones by Afarinkia, Kamyar, Bahar, Akmal, Neuss, Judi, Vyas, Maushami

“…[Display omitted] 3-Methoxy-5-chloro-6-methyl-2( H)-1,4-oxazin-2-one 4 , 3-methoxy-5-chloro-6-phenyl-2( H)-1,4-oxazin-2-one 5 ,…”
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Preparation of Asymmetric α-Ketophosphonates by [3,3]-Sigmatropic Shift of Enolphosphonates by Afarinkia, Kamyar, Twist, Andrew J, Yu, Hiu-wan

“…α-Ketophosphonates are prepared by a [3,3]-sigmatropic shift of enolphosphonates…”
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Investigation of the Diels−Alder Cycloadditions of 2(H)-1,4-Oxazin-2-ones by Afarinkia, Kamyar, Bahar, Akmal, Bearpark, Michael J, Garcia-Ramos, Yésica, Ruggiero, Andrea, Neuss, Judi, Vyas, Maushami

“…A variety of 5-chloro-2(H)-1,4-oxazin-2-ones bearing a range of substituents at their 3- and 6-positions undergo Diels−Alder cycloaddition as a 2-azadiene…”
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Preparation of α-ketophosphonates by a [3,3]-sigmatropoic shift of enolphosphonates by Afarinkia, Kamyar, Twist, Andrew J., Yu, Hiu-wan

“…α-Ketophosphonates are prepared by a [3,3]-sigmatropic shift of enolphosphonates. α-Ketophosphonates are prepared by a [3,3]-sigmatropic shift of…”
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The anionic route to tricyclanes by Afarinkia, Kamyar, Mahmood, Farzana

“…A very mild anion induced intramolecular ring closure route to tricyclanes is reported…”
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Acceleration of nucleophilic addition to vinylphosphonates and vinyl phosphine oxides by chlorotrimethylsilane by Afarinkia, Kamyar, Binch, Hayley M., Modi, Chetna

“…Chlorotrimethylsilane significantly accelerates the conjugate addition of alkyl cuprates to vinylphosphonates. Chlorotrimethylsilane significantly accelerates…”
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Highly efficient Diels-Alder cycloadditions of 2-pyridones with bulky N-sulfonyl substituent by Afarinkia, Kamyar, Mahmood, Farzana

“…The rearrangement of N-sulfonyl pyridones to the corresponding O-sulfonyl pyridinols during cycloaddition can be greatly retarded by introduction of steric…”
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A novel synthesis of (±) 2- epi-validamine by Afarinkia, Kamyar, Mahmood, Farzana

“…(±) 2- epi-Validamine is synthesised in five steps by the chemical manipulation of bicyclic lactone cycloadduct of ethyl coumalate and vinylene carbonate…”
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Conformational preferences in 2-alkyl, 2-alkanoyl and 2-aroyl-2-oxo-1,3,2-oxazaphosphorinanes by Afarinkia, Kamyar, Angell, Richard, Jones, Clare L, Lowman, James

“…A series of 2-alkyl-, 2-alkanoyl- and 2-aroyl-2-oxo-1,3,2-oxazaphosphorinanes bearing N-benzyl, N-benzhydryl and N-trityl substituents are prepared and their…”
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A mild and stereoselective synthesis of β-phosphonylacrylates by Afarinkia, Kamyar, Evans, Marc, Graham, Jocelyn C.H., Jimenez-Bueno, Gorka

“…The addition of trimethylsilyloxy phosphorus (III) derivatives, generated in situ, to α-haloacrylates and acrylonitriles at room temperature provides a mild,…”
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