WebMar 24, 2024 · Catalytic regioselective C−H silylation of a variety of aromatic heterocycles such as thiophene, furan and indole derivatives with secondary hydrosilanes was … WebNov 3, 2024 · In this Minireview, we present the rapid development of enantioselective silylation and borylation of C−H bonds, with an emphasis on the design and …
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WebMar 24, 2024 · Under mild conditions, the catalytic regioselective sp2C−H silylation of a series of aromatic heterocycles with secondary hydrosilane was achieved by the use of complex 1. This protocol offers a straightforward method for the synthesis of silylated heteroaromatic compounds without a hydrogen acceptor and free of transition metal. WebSep 9, 2015 · Catalytic Silylation of Unactivated C-H Bonds. Catalytic Silylation of Unactivated C-H Bonds Chem Rev. 2015 Sep 9;115(17):8946-75. doi: 10.1021/cr5006414. Epub 2015 Feb 25. Authors Chen Cheng 1 , John F Hartwig 1 Affiliation 1 Department of Chemistry, University of California ...
WebJul 23, 2015 · In this review, the silylation reactions of inert C-H bonds catalyzed by transition metal complexes of Ir, Rh, Ru, Pt, Pd, Ni, and Sc, and the strategies utilized to access the site-selective C-H silylation products have been summarized. Furthermore, the mechanisms of C-H silylation reactions have been discussed… View on Springer Save … WebNov 11, 2024 · Described herein is an efficient approach for C–H silylation and hydroxymethylation of pyridines and related heterocycles by the combination of silanes or methanol with readily available...
WebJun 1, 2024 · Once those substrates are modified by silylation, the silane-treated chemical exhibits varying changes in physical and chemical properties such as changes in volatility, altered chemical... WebJun 1, 2024 · In this review, the silylation reactions of inert C-H bonds catalyzed by transition metal complexes of Ir, Rh, Ru, Pt, Pd, Ni, and Sc, and the strategies utilized to …
WebApr 21, 2015 · In this review, the silylation reactions of inert C-H bonds catalyzed by transition metal complexes of Ir, Rh, Ru, Pt, Pd, Ni, and Sc, and the strategies utilized to …
WebSep 23, 2024 · A palladium-catalyzed remote C-H silylation reaction has been developed through vinylic to aryl 1,4-palladium migration. By using alkyne-tethered aryl iodides as the starting materials and hexamethyldisilane as the silylating reagent, the reaction involves cascade intramolecular carbopalladation, 1,4-palladium migration, and silylation with … eagle river wisconsin buildersWebJan 3, 2024 · In recent years, transition-metal-catalyzed enantioselective C–H bond functionalization has emerged as a powerful and attractive synthetic approach to access silicon-stereogenic centers, which... csl in service managementWebAug 17, 2024 · Transition metal-free radical hydrosilylation of alkynes and factionalized alkenes to vinylsilanes, organosilanes from alkenes, radical silylative cyclizations for sila heterocycles, aromatic dehydrogenative radical silylation, sila-amino acids, silyl hydroperoxides by using transition metal-free reaction conditions such as peroxides, … eagle river wisconsin libraryWebFeb 27, 2024 · Compared to known procedures, this method does not require prefunctionalized starting materials and, hence, allows for a rapid access to those siloles. The net reaction is a 2-fold electrophilic C–H silylation catalyzed by … eagle river wisconsin lake homesWebFeb 25, 2024 · The review describes successively the intermolecular sp 3 C–H bond silylations directed first by N-containing heterocycles with silanes using various Ru, Rh, … eagle river wisconsin hiking trailsWebDec 9, 2015 · A study of the Ir-catalyzed C–H silylation of 6-phenyl-7-deazapurines or -9-deazapurines with trialkylsilanes revealed that this reaction preferentially proceeded via ortho-silylation at the aryl group due to the directing effect of the N1 nitrogen of the deazapurine, rather than C–H silylation at the heterocycle which was only a minor side … csl insurance liabilityWebAug 1, 2024 · C–Si bond formation by direct C–H functionalization is a modern synthetic approach toward highly valuable compounds that offers a superior step and atom economy in contrast to conventional... csl insurance acronym