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searching for Chemoselectivity 17 found (55 total)

Kumada coupling (2,238 words) [view diff] exact match in snippet view article find links to article

couple with chlorinated arenes. This low reactivity is the basis for chemoselectivity for nickel insertion into the C–Br bond of bromochlorobenzene using

Dess–Martin periodinane (1,197 words) [view diff] exact match in snippet view article find links to article

pH), shorter reaction times, higher yields, simplified workups, high chemoselectivity, tolerance of sensitive functional groups, and a long shelf life. However

Corey–Itsuno reduction (1,910 words) [view diff] no match in snippet view article find links to article

The Corey–Itsuno reduction, also known as the Corey–Bakshi–Shibata (CBS) reduction, is a chemical reaction in which a prochiral ketone is enantioselectively

Carbonyl allylation (1,018 words) [view diff] exact match in snippet view article find links to article

(2016-07-06). "Total Synthesis of (+)-SCH 351448: Efficiency via Chemoselectivity and Redox-Economy Powered by Metal Catalysis". Journal of the American

Thioester (1,388 words) [view diff] exact match in snippet view article find links to article

pub2. ISBN 978-3527306732. McGrath, N. A.; Raines, R. T. (2011). "Chemoselectivity in chemical biology: Acyl transfer reactions with sulfur and selenium"

Vinylcyclopropane (5+2) cycloaddition (1,523 words) [view diff] exact match in snippet view article

Allenes and Vinylcyclopropanes: First Studies of Endo−Exo Selectivity, Chemoselectivity, Relative Stereochemistry, and Chirality Transfer". Journal of the

Shilov system (660 words) [view diff] exact match in snippet view article find links to article

H-O bond. Regardless it is this step that kinetically imparts the chemoselectivity to the overall transformation. Stronger, more electron-rich bonds are

Sharpless asymmetric dihydroxylation (2,175 words) [view diff] exact match in snippet view article find links to article

cycle; see the Milas hydroxylation. Drawbacks of peroxides include chemoselectivity issues. Trialkylammonium N-oxides, such as NMO—as in the Upjohn Reaction—and

Shiina esterification (1,478 words) [view diff] exact match in snippet view article find links to article

aromatic carboxylic acid esters are obtained as by-products. (The chemoselectivity is 200:1 or higher.) Aromatic carboxylic acid anhydrides are used as

Phosphoramidite ligand (980 words) [view diff] exact match in snippet view article find links to article

cross-coupling event. They discovered that the C–P bond formation shows high chemoselectivity with a variety of aryl halides and excellent stereocontrol in the formation

Skeletal formula (3,597 words) [view diff] exact match in snippet view article find links to article

molecule by chemical modification of a functional group to obtain chemoselectivity in a subsequent chemical reaction, facilitating multistep organic synthesis

Curtin–Hammett principle (3,757 words) [view diff] exact match in snippet view article find links to article

(1996). "Organotin-Mediated Monoacylation of Diols with Reversed Chemoselectivity". Journal of Organic Chemistry. 61 (16): 5257–5263. doi:10.1021/jo960453f

Tamejiro Hiyama (1,206 words) [view diff] exact match in snippet view article find links to article

has been used as a co-catalyst. The NHK reaction demonstrates high chemoselectivity towards aldehydes, as it tolerates a range of functional groups, and

Turbo-Hauser bases (1,020 words) [view diff] exact match in snippet view article find links to article

Turbo-Hauser bases display a high functional group tolerance and greater chemoselectivity at high and low temperatures. The resulting reagent is then quenched

Organozinc chemistry (3,394 words) [view diff] exact match in snippet view article find links to article

such as ketone, acetate, aromatic halides, and even aldehydes. The chemoselectivity observed indicates ketone formation is more facile than oxidative addition

Frank Glorius (1,060 words) [view diff] exact match in snippet view article find links to article

Allenes and Vinylcyclopropanes: First Studies of Endo-Exo Selectivity, Chemoselectivity, Relative Stereochemistry, and Chirality Transfer. In: Journal of the

Gábor Laurenczy (2,858 words) [view diff] exact match in snippet view article find links to article

nanoparticles stabilized with PVP and demonstrated the ability to control chemoselectivity in Rh nanoparticle catalysts by selectively poisoning sites with phosphine