11pentolactone

11-pentolactone is a cyclic ester, also known as an oxygen heterocycle. It is a seven-membered lactone. The chemical formula for 11-pentolactone is C5H8O2. Its structure consists of a five-carbon chain with an oxygen atom forming an ester linkage with a carbonyl group, creating a ring. It is derived from 5-hydroxypentanoic acid.

11-pentolactone is generally a colorless liquid at room temperature. Its physical properties, such as boiling point and density, are characteristic of organic compounds of similar molecular weight and structure. It is soluble in many organic solvents.

In terms of reactivity, 11-pentolactone can undergo ring-opening reactions, typical of lactones. This can occur under acidic or basic conditions, leading to the formation of the corresponding hydroxy acid. It can also participate in polymerization reactions, forming poly(5-hydroxypentanoate).

While not as widely studied or utilized as some smaller lactones like gamma-butyrolactone or delta-valerolactone, 11-pentolactone has potential applications in polymer science and as a building block in organic synthesis. Research continues into its properties and potential uses in various chemical processes.