Results 171 to 180 of about 195,903 (365)
Intramolecular Alkoxycyanation and Alkoxyacylation Reactions: New Types of Alkene Difunctionalizations for the Construction of Oxygen Heterocycles [PDF]
, 2012 John P. Wolfe
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Unnatural Amino Acid and Emerging Chemistry Approaches to Map RNA–Protein Interactions
Angewandte Chemie, EarlyView.This review highlights emerging chemistries for mapping RNA–protein interactions, including genetically encoded unnatural amino acids, novel photocrosslinkers, and non‐photoactivatable crosslinking systems. We compare their mechanisms, reactivity and applications, outlining how these next‐generation tools enable higher‐resolution, site‐specific ...
Eryn Lundrigan +3 more
wiley +2 more sources
Julia–Kocienski approach to trifluoromethyl-substituted alkenes
, 2013 Deborah Ayeni +2 more
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(Poly)Borylated Species as Modern Reactive Groups toward Unusual Synthetic Applications
Angewandte Chemie, EarlyView.In this review, we spotlight recent breakthroughs in α‐polyboron‐substituted carbon‐centered intermediates (carbanion, carbocation, radical, and carbene) and polyborylated alkenes. By bridging fundamental reactivity with the application potential of these extraordinary species, we hope this review will serve as a roadmap for harnessing these unique ...
Nadim Eghbarieh +5 more
wiley +2 more sources
Journal of the Brazilian Chemical Society, 2001 The reaction of several alkenes with 0.4 mol equiv. PBr3/SiO2 in dichloromethane at room temperature gave the alkyl bromides with Markovnikov regiospecificity in 50 - 100% yield and short reaction time. Isoprene at - 8 °C in these conditions gave 1-bromo-
Sanseverino Antonio M. +1 more
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Diastereoselective Intramolecular Cyanoamidation with Alkenes
, 2016 Ashley M. Dreis +5 more
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Angewandte Chemie, EarlyView.Das synergistische Zusammenspiel von Elektrizität, Licht und leicht erhältlichen, ungiftigen Eisenkatalysatoren ermöglichte das effiziente Recycling von Polymerabfällen zu wertschöpfenden Produkten. Diese robuste Depolymerisationsstrategie war im Multigramm‐Maßstab realisierbar, wobei die kathodische Wasserstoffentwicklungsreaktion eine attraktive ...
Maxime Hourtoule +5 more
wiley +1 more source
Angewandte Chemie, EarlyView.This work demonstrates a double desymmetrization of meso‐dicarboxylic acids with symmetrical olefins, constructing complex chiral lactones with six stereocenters in one step. Unexpectedly, the halide bond was found to be crucial in achieving high stereoselectivity.
Qingyu Zhang +3 more
wiley +2 more sources
Removing the Mask in Catalytic Asymmetric Diamination of Alkenes [PDF]
, 2017 Xiǎo Zhang, Shu‐Li You
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Angewandte Chemie, EarlyView.We have developed stable, robust, and reusable heterogeneous metal catalysts for an efficient continuous flow asymmetric hydrogenation (AH) of a variety of olefins, far beyond the typical benchmark AH. The products are produced continuously over long periods of time with high catalytic performance (up to 99% ee).
Jorge Faiges +5 more
wiley +2 more sources