Results 141 to 150 of about 6,365 (202)
EDA photochemistry using continuous flow. [PDF]
J Flow ChemNickels SL, Lee AL, Vilela F.
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Valorization of Humins by Cyclic Levulinic Acid Production Using Polyoxometalates and Formic Acid. [PDF]
ChemSusChemWassenberg A +4 more
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Organocatalytic Enantioselective Addition of 3-Aryloxindoles to Ethenesulfonyl Fluoride. [PDF]
Org LettCastilla-Mocholí Á +5 more
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Small-molecule-catalysed deamination enables transcriptome-wide profiling of N<sup>6</sup>-methyladenosine in RNA. [PDF]
Nat ChemWang P, Ye C, Zhao M, Jiang B, He C.
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Integrated Life Cycle Assessment Guides Sustainability in Synthesis: Antiviral Letermovir as a Case Study. [PDF]
J Am Chem SocFolkerts S +4 more
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A Rotaxane‐Based Switchable Organocatalyst
Angewandte Chemie, 2012Switch it on! The activity of an organocatalytic group incorporated within a rotaxane architecture can be controlled by switching the position of the macrocycle. The system was used to mediate the progress of the Michael addition of an aliphatic thiol to trans-cinnamaldehyde. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Blanco, Victor +4 more
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2017
This chapter provides a guide to the most popular and reliable synthetic methods used to prepare selected organocatalysts. Some very simple guiding features are suggested that may allow the reader to assess the utility of these synthetic methods based on reliability, modularity and scalability.
Aileen B. Frost +2 more
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This chapter provides a guide to the most popular and reliable synthetic methods used to prepare selected organocatalysts. Some very simple guiding features are suggested that may allow the reader to assess the utility of these synthetic methods based on reliability, modularity and scalability.
Aileen B. Frost +2 more
openaire +1 more source
Nucleophilic Carbenes as Organocatalysts
2008N-Heterocyclic carbenes (NHC) have become an important class of organocatalysts and class of ligands for transition-metal catalysis. In organocatalyzed umpolung reactions, thiazolium salt-derived NHC have been used successfully for decades. Even so, during recent years there has been an increased interest in NHC-catalyzed transformations and many new ...
F, Glorius, K, Hirano
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2009
Abstract The term Lewis acid catalysts generally refers to metal salts like aluminium chloride, titanium chloride and zinc chloride. Their application in asymmetric catalysis can be achieved by the addition of enantiopure ligands to these salts. However, not only metal centers can function as Lewis acids.
Oksana, Sereda +2 more
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Abstract The term Lewis acid catalysts generally refers to metal salts like aluminium chloride, titanium chloride and zinc chloride. Their application in asymmetric catalysis can be achieved by the addition of enantiopure ligands to these salts. However, not only metal centers can function as Lewis acids.
Oksana, Sereda +2 more
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N‐Heterocyclic Carbenes as Organocatalysts
Angewandte Chemie International Edition, 2007AbstractOrganocatalyzed reactions represent an attractive alternative to metal‐catalyzed processes notably because of their lower cost and benign environmental impact in comparison to organometallic catalysis. In this context, N‐heterocyclic carbenes (NHCs) have been studied for their ability to promote primarily the benzoin condensation.
Nicolas, Marion +2 more
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