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Electronical chemicals

2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

CAS number

408492-26-2

Molecular formula C12H15BBr2O2
Product name 2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Molecular Structure

Molecular Weight:361.86500

PSA:18.46000

LogP:3.51080



2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is an organic compound used as a reagent and intermediate in organic synthesis. It is a boronic acid derivative with a molecular formula of C9H14Br2O2. The compound is a colorless to pale yellow solid with a melting point of 33-35°C.


2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is prepared by the condensation of bromobenzaldehyde and 4,4,5,5-tetramethyl-1,3,2-dioxaborolane. It has a 1,3-dioxolane ring structure with two bromo substituents attached to the ring.


The compound is used as a reagent for the formation of boronate esters, which are versatile intermediates for the synthesis of a wide range of organic molecules. It is also used as a catalyst for the condensation of aldehydes and ketones. In addition, it is employed in the synthesis of chiral alcohols and boronic acids as well as other boronic derivatives.


Furthermore, 2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is used in the synthesis of benzoboroxoles and other boron-containing compounds. It can also be used for the protection of hydrazines and for the synthesis of boronate esters.


2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is a stable, solid compound with a high boiling point of 189°C. It is soluble in common organic solvents such as chloroform, benzene, toluene, and dimethylformamide. The compound is hygroscopic and should be stored in a cool, dry place in tightly sealed containers.


In conclusion, 2-(3,5-Dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is a versatile reagent and intermediate used in organic synthesis. It is employed in the formation of boronate esters, the condensation of aldehydes and ketones, and the synthesis of chiral alcohols and boronic acids. The compound is stable, hygroscopic, and soluble in common organic solvents. It should be stored in a cool, dry place in tightly sealed containers.


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