Grignard reagent

American  

noun

Chemistry.

1. 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 reaction.

---

Grignard reagent British  

/ ɡriɲar, ˈɡriːnjɑː /

noun

1. chem any of a class of organometallic reagents, having the general formula RMgX, where R is an organic group and X is a halogen atom: used in the synthesis of organic compounds

---

Etymology

Origin of Grignard reagent

First recorded in 1900–05; see V. Grignard

Example Sentences

With the Grignard reagent, they 796 form addition compounds which on the addition of water yield tertiary alcohols, except in the case of ethyl formate, where a secondary alcohol is obtained.

From Project Gutenberg