摘要:
Antimicrobially active 3-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)-1-propanone of the following formula 1 is described, as is a method for producing this compound and the use thereof as an antimicrobial active ingredient.
摘要:
The present invention relates to 3-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)-1-propanone of formula (I) a method for preparation of the compound of formula (I) and its use as an antioxidant in formulations and products.
摘要:
The invention relates to the use of neopentyl glycol diisononanoate (CAS No. 27841-07-2) as a fixative for perfume oils or as a fixative for (top note) fragrance substances. The invention also relates to certain compositions containing neopentyl glycol diisononanoate and one or more top note fragrance substances. Furthermore, the invention relates to a method for producing such compositions and (cosmetic) products containing a composition according to the invention. Additionally the invention relates to a method for imparting, intensifying or modifying an odor on the (human) skin. A particular aspect of the present invention relates to the improved adherence of volatile fragrance substances to (human) skin and/or (human) hair. Apart from this the invention relates to a combination (kit) comprising neopentyl glycol diisononanoate and one or more top note fragrance substances.
摘要:
Antimicrobially active 3-(4-hydroxy-3-methoxyphenyl)-1-(4-hydroxyphenyl)-1-propanone of the following formula 1 is described, as is a method for producing this compound and the use thereof as an antimicrobial active ingredient.
摘要:
This invention relates to cosmetic and pharmaceutical preparations comprising (i) a diastereomer or a mixture of two or more diastereomers of the compound of formula (I) or (ii) a salt of a diastereomer or of a mixture of two or more diastereomers of the compound of formula (I) or (iii) a mixture of two or more salts of a diastereomer or of a mixture of two or more diastereomers of the compound of formula (I), a diastereomer, salt or a mixture as defined above as a drug for topical application and/or for the treatment of lipoatrophy; the non-therapeutic use of a diastereomer, salt or a mixture as defined above for the prevention, treatment or reduction of skin aging, especially skin wrinkles; the use of a diastereomer, salt or a mixture as defined above for the production of an orally administered non-pharmaceutical preparation.
摘要:
The use of a compound of the formula wherein R1-R3 independently of one another are hydrogen, C1-C8-alkyl or C1-C8-alkoxy, R4 is COR, CO2R, CONR2, where R is C1-C8-alkyl or C3-C8-cycloalkyl R5 is H or C1-C8-alkyl, R6 is aryl, aryl substituted by up to three C1-C8-alkyl- or C1-C8-alkoxy, or C3-C8-cycloalkyl as UV filters in cosmetic formulations, in particular in combination with UV filters from the group consisting of methoxycinnamate derivatives and/or dibenzoylmethane derivatives, with the proviso that R5 is H if R4 is COR, is described.
摘要:
Process for esterification of farnesol in an initial mixture comprising alpha-bisabolol, farnesol and optionally other components, with the following steps: 1. Preparation or production of the initial mixture, 2. Adding (i) a transesterification catalyst and (ii) one or more compounds of formula (B) R2YnCO2R1 (B) in which the following applies: R1 stands for an alkyl residue with 1 to 12 C atoms; R2 stands for hydrogen, an alkyl residue with 1 to 20 C atoms, a cycloalkyl residue with 5 to 20 C atoms, an aryl residue with 6 to 20 C atoms or a heteroaryl residue with 5 to 20 C atoms; and Y stands for CH2, CH(Me), CH(Et), C(Me)2, CH2—CH(Me), CH(Me)-CH2 or CH2—CH(Me)-CH2 and n stands for a whole number from 0 to 6; or R2 stands for a group CO2R3, R3 standing for an alkyl residue with 1 to 12 C atoms; and Y stands for CH2, CH(Me), CH(Et), C(Me)2, CH2—CH(Me), CH(Me)-CH2 or CH2—CH(Me)-CH2 and n stands for a whole number from 0 to 8, or Y stands for an optionally substituted phenyl or naphthyl ring with a total of at most four substituents on the ring, n=1 applying.
摘要:
Mint lactone can be prepared by hydrogenating hydroxymenthofurolactone to give the intermediate dihydrohydroxymenthofurolactone with the subsequent elimination of water.
摘要:
The invention relates to a novel process for the preparation of hydroxyalkyl- and acyloxyalkyl-substituted cycloketones by free-radical addition of hydroxyalkenes and acyloxyalkenes respectively to cyclic ketones.