What is "phenylmagnesium bromide"

n. The Grignard reagent, C₆H₅MgBr, often used as a synthetic equivalent for the phenyl "Ph–" synthon.

Phenylmagnesium bromide, with the simplified formula , is a magnesium-containing organometallic compound. It is commercially available as a solution in diethyl ether or tetrahydrofuran (THF). Phenylmagnesium bromide is a Grignard reagent. It is often used as a synthetic equivalent for the phenyl "Ph" synthon.