Results 171 to 180 of about 14,453 (258)

Copper‐ and Silver‐Catalyzed Reactions of Active Methylene Isocyanides: Facile Access to Highly Substituted Five‐ and Six‐Membered Heterocycles

open access: yesChemistry – A European Journal, EarlyView.
This review summarizes recent advances in copper‐ and silver‐catalyzed reactions of active methylene isocyanides for the synthesis of highly substituted five‐ and six‐membered heterocycles. Emphasis is placed on [3+n] cycloadditions, annulations, and asymmetric strategies, highlighting current limitations and future opportunities in heterocycle ...
Jimil George, Kyungsoo Oh
wiley   +1 more source

Metal Nanoparticles on Halloysite Applied in Stereoselective Hydrogenation of Tetrasubstituted Alkenes

open access: yesChemistry – A European Journal, EarlyView.
Composite materials based on metal nanoparticles supported on a naturally occurring nanotubular clay, halloysite (HAL), led to the diastereoselective hydrogenation of tetra‐substituted alkenes under relatively smooth conditions, mainly oxazolidinone‐based heterocycles.
Rosa Pich   +9 more
wiley   +1 more source

Generation of a Ground‐State Electron Donor Utilizing Stored Light Energy

open access: yesChemistry – A European Journal, EarlyView.
Chemically stored light energy enables the generation of dianion reductants (∼−2.7 V) from vicinal diols derived from diaryl ketone photodimerization. These ground‐state electron donors efficiently reduce challenging substrates at room temperature, including aryl bromides, alkyl iodides, and sulfonamides.
Marc Taillefer   +2 more
wiley   +1 more source

Asymmetric Reduction of Unactivated Alkenes

open access: yesChemistry – A European Journal, EarlyView.
Unactivated alkenes rank among the most inert functional groups in synthesis and their selective reduction remains challenging. This Review charts the evolution from classical metal‐catalyzed hydrogenation to radical hydrogen atom transfer (HAT) and emerging biocatalytic concepts, highlighting how complementary mechanistic strategies, including the ...
Nico D. Fessner   +3 more
wiley   +1 more source

Implementation of OMOP and ConcePTION Common Data Models in CPRD GOLD: Risk of Bleeding and Cardiovascular Outcomes From Anticoagulant Use

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
The impact of the choice of common data model (CDM) approach on the study results in a real‐world evidence (RWE) study is unknown. We aimed to determine potential differences in the results of an RWE study when data were mapped to two different CDMs, ConcePTION and OMOP. With the same instance of CPRD GOLD, data were mapped to both CDMs. Using the same
Nicholas B. Hunt   +8 more
wiley   +1 more source

Bibliometric Analysis of Technological Innovation in Renewable Energy in the Transport and Logistics Sector

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study conducts a comprehensive bibliometric analysis of technological innovation in renewable energy for the transport and logistics sector from 1996 to 2024. Using the Web of Science database, we identify three main research phases and map key collaboration networks and technological trends.
Yui‐yip Lau   +4 more
wiley   +1 more source

Where Tech Meets the SDGs: A Supply‐Chain Process Map for Sustainability Management

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study investigates how advanced technologies support Sustainable Development Goals (SDGs) within supply chain management (SCM) through a structured analysis of 4448 sustainable practices. By integrating perspectives from sustainability‐oriented innovation (SOI) and contingent dynamic capabilities, the research conceptualizes technology ...
Vincenzo Varriale   +2 more
wiley   +1 more source

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