Chelidonic acid is a heterocyclic organic acid with a pyran skeleton.

Preparation

Chelidonic acid can be prepared in two steps from diethyl oxalate and

acetone Acetone (2-propanone or dimethyl ketone), is an organic compound with the formula . It is the simplest and smallest ketone (). It is a colorless, highly volatile and flammable liquid with a characteristic pungent odour. Acetone is miscible wi ...

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Uses

Chelidonic acid is used to synthesize 4-pyrone via thermal

decarboxylation Decarboxylation is a chemical reaction that removes a carboxyl group and releases carbon dioxide (CO2). Usually, decarboxylation refers to a reaction of carboxylic acids, removing a carbon atom from a carbon chain. The reverse process, which is ...

Natural occurrence

Chelidonic acid was first discovered in extracts of '' Chelidonium majus''. It occurs naturally in plants of the Asparagales order. Potassium chelidonate has been found to be responsible for nyctinasty in some plants; specifically, it has been found to regulate the closing of leaves of ''Cassia mimosoides'' at nightfall.

References

{{reflist 4-Pyrones Dicarboxylic acids

Preparation

Uses

Natural occurrence

See also

References