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Section: Fragrance

Fragrant Esters of 3-Cyclohexylbutanoic Acid

Thus, the acid is not too easily available, but remarkable fragrant properties of its esters raise the interest in its production. The first four stages of its synthesis have been described previously. Prin’s reaction of α-methylstyrene with formaldehyde yields 4-methyl-4-phenyl-1,3-dioxane.

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'Ester Dance Reaction' Yields Low-cost Aromatic Esters

Research from Waseda University in Japan describes a novel catalyst and reaction, the "ester dance reaction," that could make synthesizing aromatic compounds sustainably easier.

Esters

In a recent article, I discussed the fundamentals of Schiff bases. In this issue, I would like to discuss the basics of esters.

Preparation of Fragrant Allyl Esters

Preparing methyl-cyclohexyloxyacetate, allyl-cyclohexyloxyacetate, methyl-cyclohexylpropionate and allyl-cyclohexylpropionate.

Ethyl Methyl Phenyl Glycidate

An aroma chemical profile, ethyl methyl phenyl glycidate. It belongs to a group of flavor and fragrance materials that illustrate the type of nomenclature prevalent in the aroma chemical industry in the first few decades of this century.

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Natural Advantage's Methyl dihydrojasmonate

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Pear Ester: Ethyl (E,Z)-2,4-decadienoate

The ester's uses in flavors include fruity red, fruity yellow, fruity tropical and other fruity applications. In fragrances, it uses encompass fruity compounds for alcoholic and cosmetic perfumes.

Syntheses and Odor Characteristic of Beta-Terpinyl Esters

Our method of snythesis of terpin-1,8 diesters and eliminating one mole of acid made it possible for the first time to produce beta-terpinyl esters with interesting odour properties. This represents a major expansion of the variety of perfumery synthetics produced from turpentine.

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Givaudan Perfume Releases Floral Captive Molecule Esterly

Givaudan Perfume has recently released its latest floral captive molecule, Esterly, which include apple and strawberry notes.

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Patent Pick: Carboxy Ester Ketals for Fragrance

Patent Picks are chosen by the editors from publicly available sources. Today's choice are carboxy ester ketals as fragrance compositions, among other uses.

Methyl Dihydrojasmonate Natural Advantage www.natadv.com Methyl dihydrojasmonate (FEMA# 3408, CAS# 24851-98-7) is best described as delicate floral, blooming jasmine flowers. In fragrance, it gives bright elusive jasmine-like lifts and extended substantivity. Methyl dihydrojasmonate adds sweet aromatic lift to tea, while enhancing the sharpness of the tea flavor to give a clean, refreshing finish. In citrus, this product can be used to elevate flavors, missing components such as adding juiciness, sweet notes and rounding out the flavor compounds.

Natural Advantage's Methyl Dihydrojasmonate

Methyl dihydrojasmonate is a delicate floral scent. In fragrance, it gives bright elusive jasmine-like lifts and extended substantivity, and in tea, it adds a sweet aromatic lift to it.

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Berjé's Methyl octine carbonate

Methyl n-Octanoate

With flavor and fragrance applications, this natural material from CTC Organics features orangelike notes.

5-Methyl-2-hepten-4-one

For fragrance and flavor applications, this Fontarôme Chemical material can feature a cocoa taste.

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Berjé's Methyl ionone gamma

Odor Properties of 1-(p-Alkyl)Phenylethanols and Their Esters

All the substances have, principally, similar odor characters, possessing fruity, flowery, woody, penetrant odor notes with minor rotten, moldy notes. Other characteristic notes were observed in some compounds. Odor thresholds show mostly medium values, suitable for application in perfumery products.

Quantitative Relationships Between Structure and the Fruity Odor of Esters

This article describes the evaluation of three QSAR approacbes (CoMFA, Hansch and Principal Component Analysis) which were used to investigate the correlation between chemical structure and the fruitiness of esters. It includes the first published study of the use of comparative molecular field analysis (CoMFA) in the formulation of a structure-odor relationship.

Methyl 2,4-dihydroxy-3,6-dimethylbenzoate

Chemistry and application in fragrance.

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