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Oct-1-en-3-one (CH 2 =CHC(=O)(CH 2) 4 CH 3), also known as 1-octen-3-one or amyl vinyl ketone, is the odorant that is responsible for the typical "metallic" smell of metals and blood coming into contact with skin. [2]
Methyl vinyl ketone (MVK, IUPAC name: butenone) is the organic compound with the formula CH 3 C(O)CH=CH 2. It is a reactive compound classified as an enone, in fact the simplest example thereof. It is a colorless, flammable, highly toxic liquid with a pungent odor. It is soluble in water and polar organic solvents.
3-Heptanone (butyl ethyl ketone), is a seven carbon ketone.It is a colorless liquid with a "green odor," also described to have a fruity scent. It is often used as a perfume/fragrance, as a solvent for cellulose, nitrocellulose, or vinyl resins, and as a synthetic building block in the preparation of other organic molecules.
3-Octanone is found in a variety of sources such as plants (such as lavender), [3] herbs (such as rosemary, [4] basil, and thyme [5]), and nectarines. [6] It was also found to be present in Japanese catnip (Schizonepeta tenuifolia) [7] and the pine king bolete (Boletus pinophilus). [8]
2-Methoxy-4-vinylphenol is an aromatic substance used as a flavoring agent. [1] It is one of the compounds responsible for the natural aroma of buckwheat. [2]Some insects such as Rhynchophorus ferrugineus (Red palm weevil) use this substance for chemical signaling ().
While the macrocyclic musks extracted from plants consists of large ringed lactones, all animal derived macrocyclic musks are ketones. [ 5 ] Although muscone, the primary macrocyclic compound of musk was long known, it was only in 1926 that Leopold Ruzicka was able to synthesize this compound in very small quantities.
Methyl vinyl ketone and ethyl acetoacetate undergo aldol cyclization in the presence of catalytic pyrrolidinum acetate or Triton B or sodium ethoxide to produce Hagemann's ester. [3] This variant is a type of Robinson annulation .
1-Octen-3-ol, octenol for short and also known as mushroom alcohol, [1] is a chemical that attracts biting insects such as mosquitoes.It is contained in human breath and sweat, and it is believed that insect repellent DEET works by blocking the insects' octenol odorant receptors.