Grignard reagent
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Grignard reagent — [grē′nyärd΄] n. [after F. A. V. Grignard (1871 1935), Fr chemist] any of a class of reagents with the general formula RMgX, in which R is an organic radical, esp. an alkyl or aryl, and X is a halogen: these reagents react with a great variety of… … English World dictionary
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 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
Grignard reagent — /ˌgrinja riˈeɪdʒənt/ (say .greenyah ree ayjuhnt) noun any of a group of alkyl or aryl magnesium halides which are used in organic synthesis. {named after FAV Grignard, 1871–1935, French organic chemist} …
Grignard reagent (compound) — Grig·nard reagent (compound) (grēn yahrґ) [Franзois Auguste Victor Grignard, French chemist, 1871–1935] see under reagent … Medical dictionary
Grignard reagent — any of several compounds of magnesium with an organic radical and a halogen; these reagents undergo reactions with many substances, producing important products … Medical dictionary
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, 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
Reagent — Reagents, such as sulfur (pictured), are the starting materials that are used in chemical reactions. A reagent is a substance or compound that is added to a system in order to bring about a chemical reaction or is added to see if a reaction… … Wikipedia
