37 results about "Octanone" patented technology

The invention relates to a synthetic method of 3-deoxidized-D-sweet dew-2-octulosonic ammonium salt. The synthetic method comprises the following steps: using D-sweet dew as a raw material and performing the reaction on D-sweet dew and 2,2-dimethoxy propane; protecting hydroxy at 2 and 3 positions and 5 and 6 positions by isopropylidene to obtain an intermediate in a formula I; performing the reaction on a product in the formula I and 2-dimethoxy phosphoroso-2-dimethyl tertiary butyl silica ethyl acetate in a formula II to obtain an intermediate in a formula III; removing a silicyl oxide protecting group in a product in the formula III to form intramolecular hemiketal so as to obtain an intermediate in a formula IV; performing the deprotection, saponification and ammonium salt formation reaction on a product in the formula IV to obtain the final product 3-deoxidized-D-sweet dew-2-octulosonic ammonium salt. The method has the advantages of low price of the raw material, easiness for obtaining the raw material, mild reaction condition, simplicity and convenience for operation, high safety, high route total yield, simplicity for purification treatment on the final product and stable quality of the final product, and thus, the synthetic method disclosed by the invention enables the total cost to be greatly reduced and is suitable for the requirements on large-scale industrial production.

The invention discloses an azabicyclo[3.2.1]oct-3-one compound, a composition containing the compound and a preparation method thereof, belonging to the field of medicine. The present invention prepares L-camphor oxime by reacting with hydroxylamine with L-camphor as the starting material, reacts with propyne bromide through Beckman gravity, and finally obtains azabicyclo[3.2.1 ] octan-3-ketone compound. The azabicyclo[3.2.1]octane-3-one compound prepared by the invention has a novel structure and has remarkable effect in the antitumor activity test in vitro.

The invention discloses a formulated purple potato essence, which comprises the following raw materials in parts by weight: 0.01-2 parts of isobutyraldehyde, 0.01-2 parts of isovaleraldehyde, 0.01-2 parts of acetic acid, 0.1-5 parts of isoamyl alcohol, 0.05-2 parts of hexanal, 0.01-5 parts of 2-heptanone, 0.01-5 parts of heptanal, 0.01-0.5 parts of 4-ethylphenol, 0.01-5 parts of methyl hexanoate, 0.01-5 parts of benzaldehyde, 0.01-5 parts of acid, 0.01-5 parts of 2-octanone, 0.01-5 parts of ethyl caproate, 0.01-5 parts of ethyl caprylate, 0.005-2 parts of 2-undecanone, etc., and auxiliary materials. The essence provided by the invention has the characteristic flavor of roasted purple potatoes, and can continuously provide the unique sensory flavor of purple potatoes when added to the heat-processed products of purple potatoes.

The invention provides a fragrance composition exhibiting the flower fragrance of Dendrobium Huoshanense, which belongs to the technical field of flower fragrance composition, and is characterized in that: the fragrance composition is composed of β-caryophyllene, ocimene, (E,E)-α ‑Farnesene, 3‑octanone, n-hexanol, (E)‑geranylacetone, BETA‑dihydroionone, ethyl tiglicate, farnesol and diethyl phthalate. The fragrance composition can be widely used in the preparation of substances with fragrance requirements such as external skin products and paper products with the fragrance of Dendrobium huoshanense. The fragrance composition is consistent with the flowers of Dendrobium Huoshanense. It has a unique fragrance, is non-toxic and harmless, and has stable properties. At the same time, it can also be used in various products that require fragrance, such as paper products, with a wide range of applications and a broad market prospect.

The present invention provides a kind of compound that improves the amount of predation and egg laying of small flower stinkbug, which consists of 50 μg / ml of n-hexanal, trans-2-nonenal, 2-methylbutyraldehyde, 1-octene-3-alcohol , hexanol, 3-octanol, phyllyl isobutyrate, phyllyl valerate, 3-octanone, and ocimene are mixed in the same proportion. The complex is an active substance screened from volatiles of various pest host plants. It is formulated according to the proportion. It has various types and strong complementarity of action sites. It can stimulate the reproductive behavior of small flower bugs and greatly increase the egg production of small flower bugs, which can be increased by 40% compared with normal conditions. The compound of the invention has multiple effects, provides a basis for the research on the chemical ecology and neurobehavioral mechanism of the florid bug, and provides a stable insect source for the effective use of the florid bug in the field for pest control.

The invention relates to a fungus producing fragrance substances, belonging to the field of fungal biotechnology. The fragrance-producing fungus is Talaromyces purpureogenus strain TapuXJ14C02, and the Talaromyces purpureogenus strain TapuXJ14C02 has been preserved in the Guangdong Provincial Microorganism Culture Collection Center on April 9, 2021, and the preservation number is GDMCC. No 61600, the preservation address is Building 59, Yard, No. 100, Middle Xianlie Road, Guangzhou. The fragrance substances produced by the bacterial strain include valerian-4,7(11)-diene, isoamyl isovalerate, 3-octanol, isoamyl terephthalate, isoflavene, 3-methylbutyric acid -2-methylbutyl ester, isobutyl isovalerate, ethylhept-4-enoate, 3-octanone, decamethylcyclopentasiloxane. The fragrance substances of the strain have unique composition, diverse functions, easy extraction, and have very high potential application value.