4643-25-8

Usage

Uses

Used in Flavor and Fragrance Industry:
2 HEPTEN 4 ONE is used as a flavoring agent for its characteristic aroma, which is often described as having a fruity, green, and slightly fatty odor. It is commonly used to enhance the flavor of various food products, such as candies, baked goods, and beverages.
2 HEPTEN 4 ONE is also used as a fragrance ingredient in the perfumery industry, where it contributes to the creation of complex and long-lasting scents. Its unique aroma profile makes it a valuable addition to a wide range of perfumes, colognes, and other fragrance products.
Used in Pharmaceutical Industry:
In the pharmaceutical industry, 2 HEPTEN 4 ONE is used as an intermediate in the synthesis of various drugs and pharmaceutical compounds. Its unique chemical properties make it a versatile building block for the development of new medications with potential therapeutic applications.
Used in Chemical Synthesis:
2 HEPTEN 4 ONE serves as a key intermediate in the synthesis of various organic compounds, including specialty chemicals, agrochemicals, and other industrial products. Its reactivity and functional groups make it a valuable starting material for the development of new chemical entities with diverse applications.

Preparation

From 4-heptanone by a catalytic process.

InChI:InChI=1/C7H12O/c1-3-5-7(8)6-4-2/h3,5H,4,6H2,1-2H3

Upstream product

• 22769-84-2 hept-1-en-4-one 
• 54862-92-9 2-hydroxy-heptan-4-one 
• 144-62-7 oxalic acid 
• 2586-89-2 hept-3-yne 
• 67-56-1 methanol 
• 1942-45-6 4-Octyne 
• 6135-08-6 1-(dimethylamino)hex-1-en-3-one 
• 592-77-8 hept-2-ene 

Relevant academic research and scientific papers

Environment-friendly method for synthesizing propenyl ketone compound

The invention discloses an environment-friendly method for synthesizing a propenyl ketone compound. The method comprises the following steps: subjecting an aldehyde compound and allyl bromide to a Barbier reaction in the presence of metal powder, so as to obtain an allyl alcohol compound; and subjecting the allyl alcohol compound to a structural isomerization reaction in the presence of a catalyst, thereby obtaining the propenyl ketone compound. The method disclosed by the invention has the advantages of short synthesis route, mild reaction conditions, simplicity in operation, readily available raw materials, and the like and has relatively high academic research value and market economy significance.

New selectivities from old catalysts. Occlusion of Grubbs' catalysts in PDMS to change their reactions

This article describes new selectivities for Grubbs' first and second generation catalysts when occluded in a hydrophobic matrix of polydimethylsiloxane (PDMS). Occlusion of catalysts in mm-sized slabs of PDMS is accomplished by swelling with methylene chloride then removing the solvent under vacuum. The catalysts are homogenously dissolved in PDMS yet remain catalytically active. Many substrates that react by olefin metathesis with Grubbs' catalysts freely dissolved in methylene chloride also react by olefin isomerization with occluded catalysts. Eleven examples of substrates that exhibit dual reactivity by undergoing olefin isomerization with occluded catalysts and olefin metathesis with catalysts dissolved in methylene chloride are reported. Most of these substrates have olefins with allylic phosphine oxides, carbonyls, or ethers. Control experiments demonstrate that isomerization is occurring in the solvent by decomposition of the catalyst from a ruthenium carbene to a proposed ruthenium hydride. This work was extended by heating occluded Grubbs' first generation catalyst to 100 °C in 90% MeOH in H2O in the presence of various alkenes to transform the Grubbs' catalyst into an isomerization catalyst for unfunctionalized olefins. This work demonstrates that occlusion of organometallic catalysts in PDMS has important implications for their reactions and can be used as a method to control which reactions they catalyze.

High turnover numbers for the catalytic selective epoxidation of alkenes with 1 atm of molecular oxygen

The diiron-substituted silicotungstate γ-SiW10{Fe3+(OH2}2O 386- (schematically shown) is an effective catalyst for the oxygenation of alkenes in homogeneous reaction media with 1 atm of molecular oxygen. For example, a selectivity for cyclooctene oxide of 98% and a turnover number of 10000 were achieved in the epoxidation of cyclooctene. The catalyst is stable under the reaction conditions, and its ability to use molecular oxygen raises the prospect of using it in industrial epoxidation processes.

Oxidation of Alkynes by Hydrogen Peroxide Catalyzed by Methylrhenium Trioxide

The oxidation of alkynes with hydrogen peroxide is catalyzed by methylrhenium tioxide.The reactions can be rationalized by postulating that an oxirene intermediate is formed between a rhenium peroxide and the alkyne.Internal alkynes yield α-diketones and carboxylic acids, the latter from the complete cleavage of the triple bonds.Rearrangement products were observed only for aliphatic alkynes.Terminal alkynes gave carboxylic acids and their derivatives and α-keto acids as the major products, but their yields varied with the solvent used.

The Autoxidation of Hept-3-yne

In the reaction mixtures of the oxidation of hept-3-yne with molecular oxygen as products of the attack on the C-C triple bond heptane-3,4-dione, propionic and butyric acids and a very small amount of 2-ethylvaleric acid were found.Hept-2-en-4-one and hept-3-en-5-one were probably present, but could not be identified unambiguously.As in the case of the isomeric octynes the main primary reaction products were the hydroperoxides formed by attack on the C-H bonds in α-position to the CC triple bond.