- Palladium-mediated transannular cyclizations of medium-ring olefinic enolsilanes
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Medium-ring olefinic ketone and lactone enolsilanes were subjected to palladium(II)-mediated cycloalkenylation conditions. Diverse bicyclic ring products were obtained in moderate to good yields. The effect of olefin geometry and ring size is discussed.
- Kende, Andrew S.,Nelson, Clara E. Mota,Fuchs, Sébastien
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Read Online
- A Change from Kinetic to Thermodynamic Control Enables trans-Selective Stereochemical Editing of Vicinal Diols
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Here, we report the selective, catalytic isomerization of cis-1,2-diols to trans-diequatorial-1,2-diols. The method employs triphenylsilanethiol (Ph3SiSH) as a catalyst and proceeds under mild conditions in the presence of a photoredox catalyst and under
- Gu, Xin,Wendlandt, Alison E.,Zhang, Yu-An
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supporting information
p. 599 - 605
(2022/01/03)
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- A straightforward route to functionalized trans-diels-alder motifs
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A sequence consisting of a Lewis acid-catalyzed Diels-Alder reaction on a 2-halocyclohexenone, followed by reductive alkylation, provides a route to trans-fused octalinones bearing angular methyl groups with functionality corresponding to that which would have been possible from a trans-directed Diels-Alder reaction.
- Lee, Jun Hee,Zhang, Yandong,Danishefsky, Samuel J.
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supporting information; experimental part
p. 14330 - 14333
(2010/12/25)
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- Diels-Alder Reactions of Cycloalkenones. 12. Reaction of trans-Δ1,2-3-Octalone with (E)-Piperylene
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The Diels-Alder reaction of (E)-piperylene with trans-Δ1,2-3-octalone under aluminum chloride catalysis is described and structure analysis of the adducts by NMR spectroscopy is presented.The diastereofacial selectivity of the reaction is discu
- Angell, E. Charles,Fringuelli, Francesco,Pizzo, Ferdinando,Taticchi, Aldo,Wenkert, Ernest
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p. 1424 - 1426
(2007/10/02)
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- Enzymes in organic synthesis. 37. Preparation and characterization of potential decalindione substrates of horse liver alcohol dehydrogenase
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The preparations of ten decalindiones for investigation as substrates of horse liver alcohol dehydrogenase are reported.The structure characterizations include clarifications of some ambiguities in the decalin literature.
- Jones, J. Bryan,Dodds, David R.
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p. 2397 - 2404
(2007/10/02)
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- Diels-Alder Reactions of Cycloalkenones. 3. Effects of Specific Reaction Parameters
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The effects of the Lewis acid-ketone complexation time and temperature, the nature and amount of catalyst, and the concentrations of ketone and diene on the Diels-Alder reactions of 2-cyclopentenones, 2-cyclohexenones, and 2-cycloheptenones with 1,3-butadiene, isoprene, and (E)-piperylene are described.
- Fringuelli, Francesco,Pizzo, Ferdinando,Taticchi, Aldo,Wenkert, Ernest
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p. 2802 - 2808
(2007/10/02)
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- Diels-Alder Reactions of Cycloalkenones. 1. Preparation and Structure of the Adducts
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Uncatalyzed and aluminum chloride induced Diels-Alder reactions of 2-cyclopentenones, 2-cyclohexenones, and 2-cycloheptenones with 1,3-butadiene, isoprene, and (E)-piperylene are described.Structure analysis of the adducts and their hydrogenation products by standard means and 13C NMR spectroscopy is presented.
- Fringuelli, Francesco,Pizzo, Ferdinando,Taticchi, Aldo,Halls, Timothy D. J.,Wenkert, Ernest
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p. 5056 - 5065
(2007/10/02)
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