Search Results - "Janousek, Zdenek"

The captodative effect by Viehe, Heinz G, Janousek, Zdenek, Merenyi, Robert, Stella, Lucien

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Capto-dative substituent effects. 2. Spin trapping of phosphorus-centered radicals by .alpha.-tert-butylthioacrylonitrile. An ESR study by Stella, Lucien, Merenyi, Robert, Janousek, Zdenek, Viehe, Heinz Guenter, Tordo, Paul, Munoz, Aurelio

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α-Cyclisation of tertiary amines. Part 4. Cyano-imidoyl substituted furans from captodative enamines and dibenzoylacetylene by De Boeck, Benoît, Janousek, Zdenek, Viehe, Heinz G.

“…α-Cyano-enamines and dibenzoylacetylene lead to dienes (via [2+2] cycloaddition followed by ringopening). Their α-Cyclisation to oxygen produces the title…”
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α- or β-trifluoromethyl epoxysulfones: New C3 reagents for heterocyclisation by Laduron, Frédéric, Janousek, Zdenek, Viehe, Heinz G.

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Trifluoroethyl sulfenylation or sulfinylation with 2,2,2-trifluoroethyl t-butyl sulfoxide by Redon, Martine, Janousek, Zdenek, Viehe, Heinz G.

“…Treatment of 2,2,2-trifluoroethyl t-butyl sulfoxide 8 under acylating conditions, in the presence of various alkenes or 1-hexyne gives β-trifluoroacetoxy…”
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2-Phenylthio-3,3,3-trifluoropropene, its sulfoxide and sulfone: Synthesis and reactivity in 1,3-dipolar cycloadditions by Plancquaert, Marie-Aimée, Redon, Martine, Janousek, Zdenek, Viehe, Heinz G

“…Derivatives of 3,3,3-trifluoropropene 1: α-sulfide 2, sulfoxide 3, sulfone 4 and bromide 6 are useful trifluoromethylated synthons. On reaction with diazo…”
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2-phenylthio-3,3,3-trifluoropropene, its sulfoxide or sulfone in Diels-Alder cycloadditions by Redon, Martine, Janousek, Zdenek, Viehe, Heinz G.

“…The Diels-Alder reaction of 2-phenylthio-3,3,3-trifluoropropene 1 and its derivatives sulfoxide 2 and sulfone 3, respectively was carried out with…”
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Catalytic, enantioselective, inverse electron-demand Diels-Alder reactions of 2-pyrone derivatives by Markó, I. E., Evans, G. R., Seres, P., Chellé, Isabelle, Janousek, Z.

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α- or β-trifluoromethyl epoxysulfones: New C 3 reagents for heterocyclisation by Laduron, Frédéric, Janousek, Zdenek, Viehe, Heinz G.

“…The syntheses of α- and β-trifluoromethyl epoxysulfones 1 and 2 are described. Compound 1 reacts with nucleophiles and bis-nucleophiles to furnish…”
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Multicomponent cyclisations. Efficient methodologies for the preparation of complex natural products by Markó, I. E., Mekhalfia, A., Murphy, F., Bayston, D. J., Bailey, Mark, Janousek, Z., Dolan, Simon

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Trifluoromethylated pyrimidines starting from β-trifluoroacetyl-lactams, -lactone and -cyclanone by BOUILLON, J.-P, BOUILLON, V, WYNANTS, C, JANOUSEK, Z, VIEHE, H. G

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Captodative substituent effects in radical chemistry by Viehe, H. G., Merenyi, Robert, Janousek, Z.

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Heterocyclisation of 3-Trifluoroacetyllactams by Hydrazines by G. Viehe, Heinz, Bouliion, Jean-Philippe, Frisque-Hesbain, Anne-Marie, Janousek, Zdenek

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Trifluoromethylated Pyrimidines Starting from b-Trifluoroacetyl-lactams, -lactone and -cyclanone by G. Viehe, Heinz, Bouillon, Jean-Philippe, Bouillon, Vincent, Wynants, Chantal, Janousek, Zdenek

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An expeditious synthesis of 2-dialkylamino-4-chloropyrimidines from silylated primary enamines and phosgeniminium salts by GUILLOT, N, JANOUSEK, Z, VIEHE, H. G

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Phosgene immonium salts. XIII. Dichloromalonyl cyanines and 3,5-bis(dimethylamino)pyrazoles by De Voghel, Guy J, Eggerichs, Terry L, Janousek, Zdenek, Viehe, Heinz G

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