Grignard reagent

Grignard reagent
Grignard reagent [grē′nyärd΄]
[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 compounds and are used in the synthesis of organic compounds

English World dictionary. . 2014.

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  • 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 — noun an alkyl or aryl magnesium halide, used in the Grignard reaction to form substituted alcohols; they are formed from alkyl or aryl halides and metallic magnesium …   Wiktionary

  • 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

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