Results 41 to 50 of about 44,314 (270)
Iron-Catalyzed Cycloaddition Reaction of Diynes and Cyanamides at Room Temperature
, 2013 An iron-catalyzed [2 + 2 + 2] cycloaddition reaction of diynes and cyanamides at room temperature is reported. Highly substituted 2-aminopyridines were obtained in good to excellent yields with high regioselectivity.
Wan, Boshun +5 more
core +1 more source
Multiplex Modular Nanorobotic Systems with Catalytic Activity under Magnetic Navigation
Advanced Functional Materials, EarlyView.We present modular nanorobots composed of a magnetic propulsion module and different extension modules carrying functional activities, assembled via DNA base pairing. The system integrates propulsion, optical tracking, enzymatic catalysis, and cell docking in a programmable manner.
Voichita Mihali +7 more
wiley +1 more source
Enantioselective cycloaddition reactions
ChemInform, 1991 Publisher Summary This chapter reviews the cycloadditions reactions because they are popular, widely used, and also constitutes enormous body of chemistry. The chapter focuses on the landmark achievements as well as state-of-the-art examples of relevant chemistry.
openaire +2 more sources
Advanced Functional Materials, EarlyView.Sulfur fluoride exchange (SuFEx) is a powerful click platform, yet water‐compatible multifunctional linchpins remain elusive. Here, we report decagram‐scalable diazonium linchpins that enable rapid Pd‐catalyzed diversification and direct, catalyst‐free on‐DNA ligation in aqueous media.
Seok Ju Hong +5 more
wiley +1 more source
Molecules, 2020 We present herein a straightforward and efficient pathway for the synthesis of pyrrolophthalazine cycloadducts via Huisgen [3 + 2] dipolar cycloaddition reactions of phthalazinium ylides to methyl propiolate or dimethyl acetylenedicarboxylate (DMAD).
Vasilichia Antoci +4 more
doaj +1 more source
Aptamer‐Based Delivery Systems for VEGF and NGF Modulation in Ocular Therapies
Advanced Healthcare Materials, EarlyView.Aptamer‐based delivery systems targeting NGF and VEGF hold significant potential for precise and sustained treatment of complex diseases affecting both the anterior and posterior segments of the eye. This review critically summarizes current strategies for NGF and VEGF delivery as well as VEGF sequestration, providing a clinical perspective on how ...
Nadine Best +5 more
wiley +1 more source
Palladium-Catalyzed [3+2] Cycloaddition via Two-Fold 1,3-C(sp3)−H Activation
, 2020 Cycloaddition reactions provide an expeditious route to construct ring systems in a highly convergent and stereoselective manner. For a typical cycloaddition reaction to occur, however, the installation of multiple reactive functional groups (π-bonds ...
jin-quan, yu, Hojoon, Park
core +1 more source
Advanced Healthcare Materials, EarlyView.Metabolic labeling of nascent proteins in 3D microtissue spheroids provides a powerful analytical approach for large‐scale tissue engineering. Incorporation of non‐canonical amino acids with fluorescent tagging enables spatiotemporal investigation of extracellular matrix deposition and its evolution during multicellular tissue development and fusion ...
Theresa Koenig +3 more
wiley +1 more source
Highly Regioselective Construction of Spirocycles via Phosphine-Catalyzed [3 + 2]-Cycloaddition
, 2016 A direct entry to spirocycles with low to moderate regioselectivity was achieved by triphenylphosphine-catalyzed [3 + 2]-cycloaddition of active exo-methylenecycles (1) and ethyl 2,3-butadienoate (2).
Xiyan Lu (1470865) +2 more
core +1 more source
Advanced Healthcare Materials, EarlyView.Single‐chain nanoparticles have been proposed as drug delivery carriers, but adding a tail can significantly enhance their performance. This was demonstrated using a tadpole‐like structure comprising a head prepared from a UV‐crosslinked fructose‐based glycopolymer capable of targeting GLUT receptors, combined with a PEG‐based tail. Compared with other
Hoang Yen Vo +6 more
wiley +1 more source