Results 11 to 20 of about 4,913,448 (310)
Enantiospecific Cross-coupling of Cyclic Alkyl Sulfones [PDF]
, 2023 Methods to form carbon-carbon bonds efficiently and with control of stereochemistry are critical for the construction of complex molecules. Cross-coupling reactions are among the most efficient and widely used reactions to construct molecules, with ...
Jana, Alpin +6 more
core +1 more source
Oxidative Photocatalytic Homo- and Cross-Coupling of Phenols: Non-Enzymatic, Catalytic Method for Coupling Tyrosine [PDF]
, 2020 The first, oxidative photocatalytic method for phenol-phenol homo-coupling and cross-coupling is described and isolated yields of up to 97% are obtained.
Philip H., Gilmartin +2 more
core +1 more source
Beilstein Journal of Organic Chemistry, 2023 A visible-light-induced nickel-catalyzed cross coupling of alkyl carboxylic acids with N-trifluoroethoxyphthalimide is described. Under purple light irradiation, an α-hydroxytrifluoroethyl radical generated from a photoactive electron donor–acceptor ...
Feng Chen +4 more
doaj +1 more source
Synthesis and Cross-Coupling of Sulfonamidomethyltrifluoroborates [PDF]
Organic Letters, 2011 Sulfonamidomethyltrifluoroborates were successfully synthesized and cross-coupled with a wide range of aryl and heteroaryl chlorides, allowing the construction of a sulfonamidomethyl aryl linkage through a new disconnection, thus offering a new way to access such structurally interesting motifs.
Gary A, Molander +2 more
openaire +2 more sources
Cross Coupling Control Strategy of Two Motors for Position Synchronization
Journal of Harbin University of Science and Technology, 2022 Double-break high speed switch is the important equipment for the EHV transmission system， but the motor control system of the switch cannot satisfy the synchronous requirements. In order to solve the synchronous error problem of the double motors system，
ZHU Bo +5 more
doaj +1 more source
Breaking the Testing Pyramid with Virtual Testing and Hybrid Simulation
Fatigue of Aircraft Structures, 2019 Virtual testing and hybrid simulation have become an important trend in airplane design and validation. The traditional Testing Pyramid (or Building Block) approaches that emphasis on uniaxial coupon test and full structure certification test are being ...
You Shawn, Gao X. Shawn, Nelson Arlin
doaj +1 more source
A new approach to silicon rhodamines by Suzuki–Miyaura coupling – scope and limitations
Beilstein Journal of Organic Chemistry, 2019 Background: Silicon rhodamines are of particular interest because of their advantageous dye properties (fluorescence- and biostability, quantum efficiency, tolerance to photobleaching).
Thines Kanagasundaram +3 more
doaj +1 more source
Palladium-catalyzed Sonogashira coupling reactions in γ-valerolactone-based ionic liquids
Beilstein Journal of Organic Chemistry, 2019 It was demonstrated that the γ-valerolactone-based ionic liquid, tetrabutylphosphonium 4-ethoxyvalerate as a partially bio-based solvent can be utilized as alternative reaction medium for copper- and auxiliary base-free Pd-catalyzed Sonogashira coupling ...
László Orha +3 more
doaj +1 more source
Beilstein Journal of Organic Chemistry, 2023 Dienones are challenging building blocks in natural product synthesis due to their high reactivity and complex synthesis. Based on previous work and own initial results, a new stereospecific sequential hydrozirconation/Pd-catalyzed acylation of enynes ...
Benedikt Kolb +4 more
doaj +1 more source
Beilstein Journal of Organic Chemistry, 2009 A 2-diethanolamine boronyl substituted 1,3-diene has been synthesized in high yield and characterized spectroscopically as well as by X-ray crystallography.
Liqiong Wang +3 more
doaj +1 more source