Search Results - "Zell, Daniel"
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1
Mild C−H/C−C Activation by Z-Selective Cobalt Catalysis
Published in Angewandte Chemie International Edition (20-06-2016)“…Cationic cobalt complexes enable unprecedented cobalt‐catalyzed C−H/C−C functionalizations with unique selectivity features. The versatile cobalt catalyst…”
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2
Full Selectivity Control in Cobalt(III)‐Catalyzed C−H Alkylations by Switching of the C−H Activation Mechanism
Published in Angewandte Chemie International Edition (21-08-2017)“…Selectivity control in hydroarylation‐based C−H alkylation has been dominated by steric interactions. A conceptually distinct strategy that exploits the…”
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3
Ruthenium(II)-Catalyzed C–H Oxygenations of Reusable Sulfoximine Benzamides
Published in Organic letters (17-03-2017)“…C–H oxygenations of synthetically meaningful sulfoximine benzamides were accomplished by a versatile ruthenium catalysis regime. The ruthenium(II) catalyst…”
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4
C–F/C–H Functionalization by Manganese(I) Catalysis: Expedient (Per)Fluoro-Allylations and Alkenylations
Published in ACS catalysis (02-06-2017)“…C–F/C–H functionalizations proved to be viable within a versatile manganese(I) catalysis manifold. Thus, a wealth of fluorinated alkenes were employed in…”
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5
Palladium-Catalyzed Asymmetric Allylic Fluoroalkylation/Trifluoromethylation
Published in Journal of the American Chemical Society (24-07-2019)“…The first palladium-catalyzed asymmetric allylic trifluoromethylation is disclosed. The methodology evokes a fundamental principle by which the synergistic…”
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6
Enantio‐ and Diastereoselective Synthesis of Chiral Allenes by Palladium‐Catalyzed Asymmetric [3+2] Cycloaddition Reactions
Published in Angewandte Chemie International Edition (24-09-2018)“…A protocol for the asymmetric synthesis of highly substituted chiral allenes with control of point and axial chirality has been developed. A…”
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7
Ketone-Assisted Ruthenium(II)-Catalyzed C–H Imidation: Access to Primary Aminoketones by Weak Coordination
Published in ACS catalysis (06-05-2016)“…The ruthenium(II)-catalyzed intermolecular C–H imidation with weakly coordinating ketones provided step-economical access to synthetically useful primary…”
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8
Mild Cobalt(III)‐Catalyzed Allylative C−F/C−H Functionalizations at Room Temperature
Published in Chemistry : a European journal (07-09-2017)“…Sustainable, cobalt‐catalyst enabled, synthetically significant C−F/C−H functionalizations were achieved with an ample substrate scope at an ambient…”
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9
Single-Component Phosphinous Acid Ruthenium(II) Catalysts for Versatile C−H Activation by Metal-Ligand Cooperation
Published in Chemistry : a European journal (22-01-2016)“…Well‐defined ruthenium(II) phosphinous acid (PA) complexes enabled chemo‐, site‐, and diastereoselective C−H functionalization of arenes and alkenes with ample…”
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10
Asymmetric Iron‐Catalyzed C−H Alkylation Enabled by Remote Ligand meta‐Substitution
Published in Angewandte Chemie International Edition (06-11-2017)“…Highly enantioselective iron‐catalyzed C−H alkylations by inner‐sphere C−H activation were accomplished with ample scope. High levels of enantiocontrol proved…”
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11
Total Synthesis of Kadcoccinic Acid A Trimethyl Ester
Published in Journal of the American Chemical Society (11-08-2021)“…The first total synthesis of the trimethyl ester of kadcoccinic acid A is described. The central structural element of our synthesis is a cyclopentenone motif…”
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12
Cobalt-catalyzed C-H cyanations: Insights into the reaction mechanism and the role of London dispersion
Published in Beilstein journal of organic chemistry (25-06-2018)“…Carboxylate-assisted cobalt(III)-catalyzed C-H cyanations are highly efficient processes for the synthesis of (hetero)aromatic nitriles. We have now analyzed…”
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13
Mild C−H/C−C Activation by Z-Selective Cobalt Catalysis
Published in Angewandte Chemie (20-06-2016)“…Cationic cobalt complexes enable unprecedented cobalt‐catalyzed C−H/C−C functionalizations with unique selectivity features. The versatile cobalt catalyst…”
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Journal Article -
14
Full Selectivity Control in Cobalt(III)‐Catalyzed C−H Alkylations by Switching of the C−H Activation Mechanism
Published in Angewandte Chemie (21-08-2017)“…Selectivity control in hydroarylation‐based C−H alkylation has been dominated by steric interactions. A conceptually distinct strategy that exploits the…”
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15
3d Transition Metals for C–H Activation
Published in Chemical reviews (27-02-2019)“…C–H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug…”
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16
Manganese-Catalyzed Synthesis of cis-β-Amino Acid Esters through Organometallic CH Activation of Ketimines
Published in Angewandte Chemie International Edition (23-03-2015)“…Manganese‐catalyzed CH functionalization reactions of ketimines set the stage for the expedient synthesis of cis‐β‐amino acid esters through site‐ and…”
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17
N‑Acyl Amino Acid Ligands for Ruthenium(II)-Catalyzed meta-C–H tert-Alkylation with Removable Auxiliaries
Published in Journal of the American Chemical Society (04-11-2015)“…Acylated amino acid ligands enabled ruthenium(II)-catalyzed C–H functionalizations with excellent levels of meta-selectivity. The outstanding catalytic…”
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18
Stereoconvergent and -divergent Synthesis of Tetrasubstituted Alkenes by Nickel-Catalyzed Cross-Couplings
Published in Journal of the American Chemical Society (17-11-2021)“…We report the development of a method to diastereoselectively access tetrasubstituted alkenes via nickel-catalyzed Suzuki–Miyaura cross-couplings of enol…”
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19
Scalable Synthesis of 6‑Chloro‑1H‑pyrazolo[3,4‑b]pyrazine via a Continuous Flow Formylation/Hydrazine Cyclization Cascade
Published in Organic process research & development (19-07-2024)“…Herein, we describe the development of two continuous manufacturing processes for the synthesis of 6-chloro-1H-pyrazolo[3,4-b]pyrazine, which is a key…”
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20
Data Science Guided Multiobjective Optimization of a Stereoconvergent Nickel-Catalyzed Reduction of Enol Tosylates to Access Trisubstituted Alkenes
Published in ACS catalysis (05-04-2024)“…Herein we report a method for a stereoconvergent synthesis of trisubstituted alkenes in two steps from simple ketone starting materials. The key step is a…”
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