„Nitrones“
Suchergebnisse
914 Treffer
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Azomethine Ylides from Nitrones: Using Catalytic n BuLi for the Totally Stereoselective Synthesis of trans ‐2‐Alkyl‐3‐oxazolines
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Catalytic Asymmetric Synthesis of Dihydropyrido (1,2‐ a) indoles from Nitrones and Allenoates
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(3+3) Cycloaddition of in Situ Formed Azaoxyallyl Cations with Nitrones: Synthesis of 1,2,4‐Oxadiazinan‐5‐one Derivatives
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Regioselectivity Change in the Organocatalytic Enantioselective (3+2) Cycloaddition with Nitrones through Cooperative Hydrogen‐Bonding Catalysis/Iminium Activation
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α,β‐Unsaturated Amides as Dipolarophiles: Catalytic Asymmetric exo ‐Selective 1,3‐Dipolar Cycloaddition with Nitrones
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Direct Asymmetric Aza‐Vinylogous‐Type Michael Additions of Nitrones from Isatins to Nitroalkenes
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Direct and Co‐catalytic Oxidation of Hydroxylamines to Nitrones Promoted by Rhodium Nanoparticles Supported on Carbon Nanotubes
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Asymmetric Synthesis of β‐Lactams through Copper‐Catalyzed Alkyne–Nitrone Coupling with a Prolinol–Phosphine Chiral Ligand
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(3 + 3) Formal Cycloadditions of Nitrones from Isatins and Azaoxyallyl Cations for Construction of Spirooxindoles
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A Case Study of Thiourea‐Assisted Iminium Formation by Hydroxyl Anion Binding: Kinetic, Spectroscopic and Computational Evidences
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Catalytic Asymmetric 1,3‐Dipolar Cycloaddition of β‐Fluoroalkylated α,β‐Unsaturated 2‐Pyridylsulfones with Nitrones for Chiral Fluoroalkylated Isoxazolidines and γ‐Amino Alcohols
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Diastereoselective Synthesis of Nine‐Membered Heterocycles via the Cycloaddition and Sequential Rearrangement of N ‐Vinyl Nitrones with Isocyanates
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Single‐Step Modular Synthesis of Unsaturated Morpholine N ‐Oxides and Their Cycloaddition Reactions
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Cooperative Multifunctional Catalysts for Nitrone Synthesis: Platinum Nanoclusters in Amine‐Functionalized Metal–Organic Frameworks
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Facile Synthesis of Azetidine Nitrones and Diastereoselective Conversion into Densely Substituted Azetidines
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Facile Synthesis of Azetidine Nitrones and Diastereoselective Conversion into Densely Substituted Azetidines
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Mannich‐type Reactions of Cyclic Nitrones: Effective Methods for the Enantioselective Synthesis of Piperidine‐containing Alkaloids
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Oxadiazepine Synthesis by Formal (4+3) Cycloaddition of o ‐Chloromethyl Arylsulfonamides with Nitrones Promoted by NaHCO 3
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Asymmetric “Acetylenic” (3+2) Cycloaddition of Nitrones Catalyzed by Cationic Chiral Pd II Lewis Acid
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Mannich‐type Reactions of Cyclic Nitrones: Effective Methods for the Enantioselective Synthesis of Piperidine‐containing Alkaloids