Bromo(tetrahydrothiophene)gold(I)

Bromo(tetrahydrothiophene)gold(I) is a chemical compound with the formula AuBr(S4H8). It is a gold(I) complex that is used in various chemical reactions, particularly in the field of organic chemistry.

Structure and Bonding

Bromo(tetrahydrothiophene)gold(I) is a mononuclear gold(I) complex. The gold atom is in the +1 oxidation state and is coordinated to a bromine atom and a tetrahydrothiophene ligand. The Au-Br and Au-S bonds are both covalent in nature. The structure of the complex is linear, with the bromine and sulfur atoms flanking the gold atom.

Synthesis

Bromo(tetrahydrothiophene)gold(I) can be synthesized by the reaction of gold(I) bromide with tetrahydrothiophene. The reaction is typically carried out in a solvent such as dichloromethane or tetrahydrofuran.

Applications

Bromo(tetrahydrothiophene)gold(I) is used as a catalyst in various organic reactions. It is particularly effective in promoting cross-coupling reactions, where it facilitates the formation of carbon-carbon bonds. It is also used in the synthesis of gold nanoparticles, which have applications in nanotechnology and medicine.

Safety

As with all gold(I) complexes, bromo(tetrahydrothiophene)gold(I) should be handled with care. It is toxic if ingested or inhaled, and can cause skin and eye irritation. Appropriate safety measures should be taken when handling this compound.

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