Search Results - "Defieber, Christian"

Chiral Olefins as Steering Ligands in Asymmetric Catalysis by Defieber, Christian, Grützmacher, Hansjörg, Carreira, Erick M

“…Metal-catalyzed asymmetric processes offer one of the most straightforward ways to introduce stereogenic centers. Hence, the development of novel chiral…”
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Iridium-Catalyzed Synthesis of Primary Allylic Amines from Allylic Alcohols: Sulfamic Acid as Ammonia Equivalent by Defieber, Christian, Ariger, Martin A., Moriel, Patricia, Carreira, Erick M.

“…Two for the price of one: Sulfamic acid serves not only as a nitrogen source but also as an in situ activator of hydroxy groups in the first direct…”
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Iridium-Catalyzed Enantioselective Synthesis of Allylic Alcohols: Silanolates as Hydroxide Equivalents by Lyothier, Isabelle, Defieber, Christian, Carreira, Erick M.

“…Masked hydroxide: A highly regio‐ and enantioselective Ir‐catalyzed allylic etherification of acyclic, achiral allylic carbonates can be achieved by using…”
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Readily Available [2.2.2]-Bicyclooctadienes as New Chiral Ligands for Ir(I):  Catalytic, Kinetic Resolution of Allyl Carbonates by Fischer, Christian, Defieber, Christian, Suzuki, Takeyuki, Carreira, Erick M.

“…We report an Ir(I)-catalyzed kinetic resolution of secondary allylic carbonates allowing for their isolation in up to 98% ee. Importantly, the study documents…”
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Chiral [2.2.2] Dienes as Ligands for Rh(I) in Conjugate Additions of Boronic Acids to a Wide Range of Acceptors by Defieber, Christian, Paquin, Jean-François, Serna, Sonia, Carreira, Erick M

“…We document a series of investigations that led to new substituted [2.2.2]-diene ligands which display high selectivity in Rh(I)-catalyzed conjugate addition…”
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Iridium-Catalyzed Enantioselective Synthesis of Allylic Alcohols: Silanolates as Hydroxide Equivalents by Lyothier, Isabelle, Defieber, Christian, Carreira, Erick M.

“…Maskiertes OH−: Hoch regio‐ und enantioselektiv verläuft die Ir‐katalysierte allylische Veretherung acyclischer achiraler Allylcarbonate mit Kaliumsilanolaten…”
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Asymmetric Synthesis of 3,3-Diarylpropanals with Chiral Diene−Rhodium Catalysts by Paquin, Jean-François, Defieber, Christian, Stephenson, Corey R. J, Carreira, Erick M

“…A general route to enantioenriched 3,3-diarylpropanals is presented. These useful building blocks are prepared via an asymmetric rhodium-catalyzed conjugate…”
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Catalytic Asymmetric Synthesis with Rh−Diene Complexes:  1,4-Addition of Arylboronic Acids to Unsaturated Esters by Paquin, Jean-François, Stephenson, Corey R. J, Defieber, Christian, Carreira, Erick M

“…A general route to enantioenriched tert-butyl 3,3-diarylpropanoates is presented. These useful building blocks are prepared via an asymmetric rhodium-catalyzed…”
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Chirale Olefine als Steuerungsliganden in der asymmetrischen Katalyse by Defieber, Christian, Grützmacher, Hansjörg, Carreira, Erick M.

“…Einen direkten Weg zur Einführung stereogener Zentren bieten metallkatalysierte asymmetrische Prozesse. Aus diesem Grund ist die Entwicklung neuartiger…”
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Iridium‐katalysierte Synthese primärer Allylamine aus Allylalkoholen: Sulfaminsäure als Ammoniakäquivalent by Defieber, Christian, Ariger, Martin A., Moriel, Patricia, Carreira, Erick M.

“…Nicht nur als Stickstoffquelle, sondern auch als In‐situ‐Hydroxyaktivator wirkt Sulfaminsäure bei der direkten Ir‐katalysierten Synthese von Allylaminen aus…”
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Chirale Olefine als Steuerungsliganden in der asymmetrischen Katalyse by Defieber, Christian, Grützmacher, Hansjörg, Carreira, Erick M.

“…Abstract Einen direkten Weg zur Einführung stereogener Zentren bieten metallkatalysierte asymmetrische Prozesse. Aus diesem Grund ist die Entwicklung…”
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Iridium‐Catalyzed Enantioselective Synthesis of Allylic Alcohols: Silanolates as Hydroxide Equivalents by Lyothier, Isabelle, Defieber, Christian, Carreira, Erick M.

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Iridium-katalysierte Synthese primärer Allylamine aus Allylalkoholen: Sulfaminsäure als Ammoniakäquivalent by Defieber, Christian, Ariger, Martin A., Moriel, Patricia, Carreira, Erick M.

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