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.
Named for François Auguste Victor Grignard, a Nobel Prize-winning French chemist.
Grignard-reagent Sentence Examples
In preparing the Grignard reagent the commencement of the reaction is accelerated by a trace of iodine.
The products formed by the action of the Grignard reagent with the various types of organic compounds are usually thrown out of solution in the form of crystalline precipitates or as thick oils, and are then decomposed by ice-cold dilute sulphuric or acetic acids, the magnesium being removed as a basic halide salt.