desymmetrization
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Desymmetrization — in stereochemistry is the modification of a molecule that results in the loss of one or more symmetry elements. An important application involves the introduction of chirality. Formally, such conversion require the loss of an improper axis of… … Wikipedia
Oseltamivir total synthesis — concerns the total synthesis of the antiinfluenza drug oseltamivir marketed by Hoffmann La Roche under the trade name Tamiflu. Its commercial production starts from the biomolecule shikimic acid harvested from Chinese star anise with a limited… … Wikipedia
Oxoammonium-catalyzed oxidation — reactions involve the conversion of organic substrates to more highly oxidized materials through the action of an N oxoammonium species. Nitroxides may also be used in catalytic amounts in the presence of a stoichiometric amount of a terminal… … Wikipedia
Oseltamivir — Systematic (IUPAC) name ethyl (3R,4R,5S) 5 amino 4 acetamid … Wikipedia
Chiral auxiliary — A chiral auxiliary is a chemical compound or unit that is temporarily incorporated into an organic synthesis so that it can be carried out asymmetrically with the selective formation of one of two enantiomers[1][2] . Chiral auxiliaries are… … Wikipedia
Stetter reaction — The Stetter reaction is an organic reaction involving the nucleophile catalyzed conjugate addition of an aldehyde to a Michael acceptor such as an enone Ref|Stetter. The reaction product is a 1,4 dicarbonyl compound. The active catalyst can be a… … Wikipedia
Eric Jacobsen — Eric N. Jacobsen (born February 22, 1960, New York, NY) is the Sheldon Emery Professor of Chemistry in the Department of Chemistry and Chemical Biology at Harvard University. He is a prominent figure in the field of organic chemistry and is best… … Wikipedia
Diphenylethylenediamine — IUPAC name 1,2 Diphenyl 1,2 diaminoethane … Wikipedia
Auxiliar quiral — Saltar a navegación, búsqueda Un auxiliar quiral es un compuesto químico o unidad que se incorpora temporalmente a una síntesis orgánica para que pueda llevarse a cabo asimétricamente, con la formación selectiva de uno de dos enantiómeros.[1] [2] … Wikipedia Español
desymmetrize — verb To convert a symmetric molecule into an asymmetric one in such a way that both enantiomers may be isolated See Also: desymmetrization … Wiktionary
