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phenylmagnesium bromide density g ml

The reagent phenylmagnesium bromide is an organometallic compound that can be prepared in the laboratory by treating bromobenzene with magnesium metal. Polar solvents such as ether and tetrahydrofuran (THF) are required to solvate the magnesium(II) center. Alcohols and water are incompatible with this reagent because they contain an acidic proton which reacts to form benzene.

It can be used to produce methyl benzoate and triphenylmethanol through the Grignard reaction with phthalazine-1(2H)-one or other phthalazine derivatives like 4-phenylphthalazine, 4-phenylphthalazine-1(2H)-thione and 2-substituted phthalazine-1(2H)-ones. It can also be reacted with organolithium compounds to obtain the 4 -disubstituted phthalazine molecule.

This reagent can be characterized by nuclear magnetic resonance (NMR), mass spectrometry (MS) and infrared spectroscopy. These techniques are useful for identifying the chemical shifts of protons in the molecule and the molecular weight.

Phenylmagnesium bromide is commonly reacted with carbon monoxide to prepare some carbonyl complexes. These are prepared in one of two ways: direct synthesis and reductive carbonylation under high pressure.

In the reductive carbonylation process, the metal and the carbonyl group undergo a carbonylation reaction by applying a reducing agent under high pressure. The major reducing agents include hydrogen, active metals, phenylmagnesium bromide and so on. Other methods can also be used to obtain certain polynuclear carbonyl compounds. These can be produced by thermal decomposition or ultraviolet irradiation decomposition. This is an important method in organic chemistry because it is the simplest and most reliable way to produce various kinds of carbonyl compounds.