摘要:
A composition for external skin care comprising an amine derivative represented by formula (1), wherein R1 is a linear, branched, or cyclic saturated or unsaturated hydrocarbon group having 4-40 carbon atoms, and R?2, R3, R4, R5, and R6¿ are individually a hydrogen atom or a hydrocarbon group having 1-10 carbon atoms, which may be substituted or unsubstituted by one or more hydroxy groups; or an acid addition salt thereof, in an amount from 0.0001 to less than 0.1 % by weight; and a method of curing wrinkles and keratinization of the skin characterized by applying said amine derivative or its salt to the skin.
摘要:
To provide a method for performing a cross-coupling reaction of a Grignard compound with an alkyl halide simply, efficiently and in high yield, a method for obtaining a ω-bromo long chain carboxylic acid simply and efficiently using an easily obtainable raw material and a method for producing a useful branched fatty acid simply and efficiently.
[R 1 : an alkyl group having 1 to 15 carbon atoms, R 2 : an alkyl group having 1 to 30 carbon atoms with a carboxyl group and X and X': a halogen atom]
[n : an integer of 9 to 17]
[n : an integer of 9 to 17, R 1a : a branched alkyl group having 3 to 8 carbon atoms and X: a halogen atom]
摘要:
An amine derivative represented by formula (1) or an acid addition salt thereof, wherein R1 represents a group (a), a cyclopentyl group, cyclohexyl group, or a cycloheptyl group, R2 is a hydrogen atom or C¿1?-C3 alkyl group which may be substituted by one or more hydroxy groups, m is an integer falling in the range from 3 to 5 inclusive, and n is an integer falling in the range from 9 to 11 inclusive. Also, intermediates useful in the manufacture of the amine derivative (1), compositions for external application to the skin containing the amine derivative, and keratinization improvers containing the amine derivative as an active component are described. The compound (1) has excellent keratinization improving action, pigmentation preventing action, etc.
摘要:
An amine derivative of following general formula (I) or (II) (wherein R 1 represents a heteroatom-containing C 1 -C 40 hydrocarbon group which may have a ring structure, etc.; R 2 to R 6 each represent a C 1 -C 10 hydrocarbon group, hydrogen, etc.; A 1 represents (i) or R 15 -Z-R 16 (CH 2 ) n -; B 1 represents hydrogen, a C 1 -C 10 hydrocarbon group, nitrogen, etc.; and C 1 represents hydrogen, a C 1 -C 10 hydrocarbon group, nitrogen, alcohol residue, phosphoric acid residue, etc.); a dermatologic preparation containing the same; and a process for producing the amine derivative. The amine derivative has excellent effects of smoothing wrinkles and improving keratodermia.
摘要:
L'invention se rapporte à une composition pour les soins de la peau à usage externe, qui comprend un dérivé d'amine représenté par la formule (I), où R1 représente un groupe hydrocarbure saturé ou insaturé, linéaire ou ramifié ou cyclique contenant 4 à 40 atomes de carbone, et R2, R3, R4, R5 et R6 représentent séparément un atome d'hydrogène ou un groupe hydrocarbure contenant 1 à 10 atomes de carbone, qui peut être substitué ou insubstitué par 1 ou plusieurs groupes hydroxy; ou à un sel d'addition d'acide de ce dérivé, selon une quantité comprise entre 0,0001 et moins de 0,1 % en poids; ainsi qu'à un procédé pour soigner les rides et la kératinisation de la peau qui se caractérise par l'application sur la peau dudit dérivé d'amine ou de son sel.