- phosphorus ylide
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phosphorus ylide
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Ylide — An ylid or ylide (US) is a neutral molecule with a positive and a negative charge on adjacent atoms. They appear in organic chemistry as reagents or reactive intermediates. An ylide is accompanied to some extent by (and often depicted as) its… … Wikipedia
Corey-Fuchs reaction — The Corey Fuchs reaction is a series of chemical reactions designed to transform an aldehyde into an alkyne.Ref|OrigRef|OS2005ARef|OS2005B The reaction is named after its discoverers, American chemists Elias James Corey and Philip L. Fuchs. By… … Wikipedia
Corey–Fuchs reaction — The Corey–Fuchs reaction, also known as the Ramirez–Corey–Fuchs reaction, is a series of chemical reactions designed to transform an aldehyde into an alkyne.[1][2][3] The formation of the … Wikipedia
aldehyde — aldehydic, adj. /al deuh huyd /, n. Chem. any of a class of organic compounds containing the group CHO, which yields acids when oxidized and alcohols when reduced. [1840 50; < NL al(cohol) dehyd(rogenatum) dehydrogenated alcohol] * * * Any of a… … Universalium
Wittig reaction — The Wittig reaction is a chemical reaction of an aldehyde or ketone with a triphenyl phosphonium ylide (often called a Wittig reagent) to give an alkene and triphenylphosphine oxide. [cite journal author = Georg Wittig, Ulrich Schöllkopf journal … Wikipedia
Johnson–Corey–Chaykovsky reaction — The Johnson–Corey–Chaykovsky reaction (sometimes referred to as the Corey–Chaykovsky reaction or CCR) is a chemical reaction used in organic chemistry for the synthesis of epoxides, aziridines, and cyclopropanes. It was discovered in 1961 by A.… … Wikipedia
Phosphaalkyne — but does not exist outside the laboratory.There are two types of phosphaalkynes. One type of phosphaalkyne is a heavier analogue of nitriles (R C≡N). Another type of phosphaalkyne has a five valent three coordinate phosphorus. This molecule can… … Wikipedia
Johnson-Corey-Chaykovsky reaction — The Johnson Corey Chaykovsky reaction is a chemical reaction in which a carbonyl is converted to an epoxide by the action of a sulfonium ylide. The reaction can be viewed as a methylene transfer.The original publication by Johnson in 1961… … Wikipedia
Lawesson's reagent — Chembox new Name = Lawesson s reagent ImageFile = Lawesson s Reagent Structure.png ImageName = Lawesson s reagent ImageFile1 = Lawesson s reagent 3D ball.png ImageName1 = 3D model of the Lawesson s reagent molecule IUPACName = 2,4 bis(4… … Wikipedia
Triphenylphosphine — Chembox new Name = Triphenylphosphine ImageFile = Triphenylphosphine structure.svg ImageName = Triphenylphosphine ImageFile1 = Triphenylphosphine ray 3D balls.png ImageName1 = Ball and stick model of the triphenylphosphine molecule IUPACName =… … Wikipedia
