1,3-Indandione

Chemical compound

Chemical structure of 1,3-Indandione

1,3-Indandione is an organic compound with the molecular formula C₉H₆O₂. It is a derivative of indan, a bicyclic compound, and is characterized by a diketone functional group. This compound is of interest in various chemical reactions and has applications in the synthesis of other chemical compounds.

Chemical Properties

1,3-Indandione is a yellow crystalline solid at room temperature. It is known for its ability to undergo various chemical reactions, including decarboxylation, reduction, and bromination. The compound is soluble in organic solvents and exhibits keto-enol tautomerism.

Synthesis

1,3-Indandione can be synthesized through several methods. One common method involves the decarboxylation of indan-1,3-dicarboxylic acid. The reaction is typically carried out under heat, resulting in the loss of carbon dioxide and the formation of 1,3-Indandione.

Decarboxylation of indan-1,3-dicarboxylic acid to form 1,3-Indandione

Reactions

1,3-Indandione participates in a variety of chemical reactions:

Reduction

The compound can be partially or fully reduced to form different products. Partial reduction leads to the formation of 1,3-indanediol, while complete reduction results in the formation of indane.

File:Partial Reduction 1,3-Indanedione.svg

Partial reduction of 1,3-Indandione

Bromination

Bromination of 1,3-Indandione involves the addition of bromine to the compound, resulting in the formation of brominated derivatives. This reaction is useful in the synthesis of more complex molecules.

File:Bromination 1,3-Indanediol.svg

Bromination of 1,3-Indandione

Bindone Formation

1,3-Indandione can be used in the synthesis of bindone, a compound of interest in organic chemistry. The reaction involves the formation of a new carbon-carbon bond, expanding the indandione ring system.

Formation of bindone from 1,3-Indandione

Applications

1,3-Indandione is used in the synthesis of various pharmaceuticals and as an intermediate in organic synthesis. Its ability to undergo multiple chemical transformations makes it a valuable compound in the field of medicinal chemistry.

Related Pages

• Indan
• Keto-enol tautomerism
• Decarboxylation
• Reduction (chemistry)

Gallery

• 3D model of 1,3-Indandione
  3D model of 1,3-Indandione
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  Synthesis involving 1,3-Indandione
• Complete reduction of 1,3-Indandione
  Complete reduction of 1,3-Indandione