(2e)-undecenal

Description

(2E)-undecenal is an **unsaturated aldehyde** with the chemical formula **CH3(CH2)5CH=CH(CH2)3CHO**.

**Key properties:**

* **Strong, pungent odor:** It has a characteristic odor described as green, fatty, and waxy, reminiscent of citrus fruits and green leaves.
* **Naturally occurring:** It's found in various plants, including oranges, lemons, and grapefruit.
* **Insect attractant:** It acts as a sex pheromone for some insects, particularly moths and butterflies.

**Importance in research:**

(2E)-undecenal is important in research due to its diverse applications:

* **Pheromone research:** Scientists use it to understand insect behavior, communication, and pest control. By studying how insects respond to (2E)-undecenal, researchers can develop more effective traps and attractants for pest management.
* **Food and fragrance industry:** It's used as a flavoring agent and fragrance component in various food products and perfumes, adding notes of citrus, green, and floral aromas.
* **Plant research:** It's involved in plant defense mechanisms, attracting beneficial insects and deterring herbivores.
* **Biochemistry and cell signaling:** Studies on (2E)-undecenal have shed light on its role in cell signaling pathways and its potential interactions with cellular receptors.
* **Chemical synthesis:** The molecule's structure and reactivity have been studied extensively in organic chemistry, leading to the development of new synthetic routes and analytical techniques.

**Overall, (2E)-undecenal serves as a valuable tool for research across various disciplines, including entomology, food science, plant biology, and chemical synthesis.** Its unique properties and diverse applications make it a fascinating molecule for further scientific investigation.

(2E)-undecenal: structure in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

(E)-2-undecenal : A 2-undecenal in which the C=C bond has E configuration. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

undecenal : A monounsaturated fatty aldehyde that is undecanal which has undergone formal dehydrogenation to introduce a double bond at unspecified position. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

2-undecenal : An undecenal in which the C=C bond is located at the 2-3 position. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]