Results 281 to 290 of about 253,250 (328)

Pd(II)‐Catalyzed Strategies for the β‐Arylation of α‐Amino Acids: An Overview

open access: yesChemistry – A European Journal, EarlyView.
The graphical abstract summarizes the review “Pd(II)‐Catalyzed Strategies for the β‐Arylation of α‐Amino Acids: An Overview”, highlighting representative Pd(II)‐catalyzed methods for the β‐arylation of α‐amino acids. Key mechanistic features, substrate diversity, and synthetic relevance of these transformations are showcased. Abstract Metal‐catalyzed C─
Davide Illuminati   +4 more
wiley   +1 more source

Methyl on the Bridge: 2‐Methyl Propellane as Precursor for 1,3‐Substituted 2‐Methylated Bicyclo[1.1.1]Pentanes

open access: yesChemistry – A European Journal, EarlyView.
The synthesis of 2‐methyl propellane and its conversion to various 1,2‐ and 1,2,3‐di‐ and trisubstituted bicyclopentanes is reported. Abstract Bicyclo[1.1.1]pentanes (BCPs) have emerged as isosteric replacements for mono‐ and para‐substituted benzene rings in medicinal and materials applications, involving substitution at the BCP bridgehead (1,3 ...
Sean R. Verschaeve   +4 more
wiley   +1 more source

Intertwined Processes in the Pummerer‐Type Rearrangement Affording α‐Trifluoromethoxylated Thioethers and the Corresponding Highly Enantioenriched Sulfoxides

open access: yesChemistry – A European Journal, EarlyView.
Highly stereoenriched α‐trifluoromethoxylated sulfoxides were accessed from racemic aryl methyl sulfoxides, by means of a trifluoromethoxylative Pummerer rearrangement and a highly enantioselective sulfoxidation. The 2‐step procedure could be performed in one pot.
Nicolas Moget   +6 more
wiley   +1 more source

Harnessing Electron Donor-Acceptor Complexes to Improve the Sustainability of the Enantioselective β-Alkylation of Aromatic Enals. [PDF]

open access: yesChemSusChem
Di Remigio S   +7 more
europepmc   +1 more source

Pharmaceuticals Made with Hydrogen: A Sustainable and Efficient Approach Using Flow Synthesis

open access: yesChemistry – A European Journal, EarlyView.
We demonstrate a sustainable strategy for pharmaceutical manufacturing by combining hydrogen, heterogeneous catalysis, and continuous flow synthesis. The development of novel catalysts and their application in a multi‐step synthesis of donepezil enabled a highly productive process with no intermediate purification.
Shū Kobayashi, Haruro Ishitani
wiley   +1 more source

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