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Universalium. 2010.
Grignard reaction — The Grignard reaction, named for the French chemist François Auguste Victor Grignard, is an organometallic chemical reaction in which alkyl or aryl magnesium halides (Grignard reagents), which act as nucleophiles, attack electrophilic carbon… … Wikipedia
grignard reaction — (ˈ)grēn|yär(d) noun Usage: usually capitalized G Etymology: after Victor Grignard died 1934 French chemist : the reaction of a Grignard reagent with any of several types of compounds (as an aldehyde, ketone, or ester) to yield any of a variety of … Useful english dictionary
Grignard reaction — noun The reaction of a Grignard reagent (an organo magnesium halide) with aldehydes or ketones to form secondary or tertiary alcohols … Wiktionary
Grignard reaction — see under reagent … Medical dictionary
Grignard — can be a French last name, or refers to an organic chemical reaction.* Victor Grignard, a French organic chemist. * The Grignard Company a chemical manufacturer. * Grignard reaction, an organic chemical reaction developed by Victor Grignard … Wikipedia
Réaction de Barbier — La réaction de Barbier est une réaction organique entre un halogénure d alkyle et un groupe carbonyle comme attracteur électrophile, en présence de magnésium ou aluminium ou zinc ou indium ou étain ou leurs sels. Cette réaction produit des… … Wikipédia en Français
Grignard reagent — Chem. any of the group of reagents produced by the interaction of magnesium and an organic halide, usually in the presence of an ether, and having the general formula RMgX, where R is an organic group and X is a halogen: used in the Grignard… … Universalium
Grignard, Victor — ▪ French chemist in full François Auguste Victor Grignard born May 6, 1871, Cherbourg, France died Dec. 13, 1935, Lyon French chemist and corecipient, with Paul Sabatier (Sabatier, Paul), of the 1912 Nobel Prize for Chemistry for his… … Universalium
Grignard-Reaktion — Die Grignard Reaktion ist eine metallorganische chemische Reaktion, bei der Alkyl oder Aryl Magnesiumhalogenide (Grignard Reagenz) als Nucleophil an elektrophile Gruppen wie z. B. Carbonylgruppen reagieren. Sie dient zum Aufbau von… … Deutsch Wikipedia
grignard reagent — noun Usage: usually capitalized G Etymology: after Victor Grignard : any of various compounds of magnesium with an organic radical and a halogen (as ethyl magnesium iodide C2H5MgI) that react readily (as with water, alcohols, amines, acids) in… … Useful english dictionary
