摘要:
Capsinoids of formula (3) may be conveniently prepared in a high yield, in a short time, without using a dehydrating agent by esterification of a fatty acid of formula (1) with a hydroxymethylphenol of formula (2) using an enzyme without a solvent or in a low-polar solvent. Addition of a fatty acid represented by formula (4) is effective for stabilizing the ester compound of formula (3). wherein each symbol is as defined in the specification.
摘要:
Glutamic acid derivatives, in particular monatin, may be conveniently prepared by alkylating a 4-protected hydroxyl pyroglutamic acid derivative with an alkylating agent to prepare a 4-protected hydroxyl-4-alkylglutamic acid derivative, followed by the steps of hydrolysis and deprotection. The 4-protected hydroxyl pyroglutamic acid derivative is easy to produce from hydroxyproline. The 4-protected hydroxyl pyroglutamic acid derivative is particularly suitable for use in the efficient manufacture of monatin of high optical purity, since it can be alkylated selectively at the 4-position and stereoselectively and after its alkylation, it can easily be converted to a glutamic acid derivative.
摘要:
The present invention relates to a process for producing efficiently glutamic acid derivatives (including salts thereof) such as monatin by converting a substituted α-keto acid of formula (1) into a glutamic acid derivative of formula (2) in the presence of an enzyme catalyzing conversion of the same.
摘要:
The present invention relates to processes of producing glutamic acid compounds, for example, monatin, which are useful as, for example, production intermediates for sweetener or pharmaceutical products.
摘要:
The present invention provides a method of efficiently providing, to a client, a preparation for topical application and a supplement suitable for the client. This method entails inputting the part desired by the client to be improved and an improvement effect desired for the part into a system, which will determine the composition of nutritional components of a preparation for topical application and a supplement that are suitable for the improvement effect desired for the part to be improved by referring to a database, in which compositions of nutritional components of supplements are registered in advance.
摘要:
Compound represented by formula (I): wherein the symbols are as defined in the description, and salts thereof, are useful as skin whitening agents.
摘要:
The present invention relates to a pharmaceutical composition, a food composition or a cosmetic composition, containing one or more kinds of a compound represented by the following formula (I′) wherein R1 is a hydrogen atom, a hydroxyl group, a methoxy group or an ethoxy group, R2 is a hydroxyl group, a methoxy group or an acetoxy group, or R1 and R2 in combination optionally form a methylenedioxy group, R is represented by the following formula wherein Y is an ethylene group or a vinylene group, m and n are each an integer of 0 to 7, which satisfy m+n=2 to 8, and R3 and R4 are each independently a hydrogen atom, a methyl group or an ethyl group, provided that, (1) when R1 is a methoxy group, then R2 is not a hydroxyl group; and (2) when R1 is a hydroxyl group, then R2 is not a hydroxyl group and an acetoxy group. According to the present invention, a stable capsinoid derivative is provided, and a pharmaceutical composition, a food composition, a cosmetic composition and the like containing the derivative as an active ingredient can be provided.
摘要翻译:本发明涉及含有一种或多种下式(I')表示的化合物的药物组合物,食品组合物或化妆品组合物,其中R1是氢原子,羟基,甲氧基或 乙氧基,R2是羟基,甲氧基或乙酰氧基,或者R1和R2组合任选地形成亚甲二氧基,R由下式表示,其中Y是亚乙基或亚乙烯基,m和n 各自为0〜7的整数,其满足m + n = 2〜8,R3和R4各自独立地为氢原子,甲基或乙基,条件是:(1)当R1为甲氧基 ,则R2不是羟基; 和(2)当R1是羟基时,R2不是羟基和乙酰氧基。 根据本发明,提供稳定的类毒素衍生物,并且可以提供含有该衍生物作为有效成分的药物组合物,食品组合物,化妆品组合物等。
摘要:
A compound represented by the following formula (I′) wherein X1 is a methylene group, an ethylene group, a trimethylene group or a vinylene group, X2 is a divalent group represented by the following formula A or B, Y is an ethylene group or a vinylene group, m and n are each an integer of 0 to 7, which satisfy m+n=0 to 8, R1 and R2 are each independently a hydrogen atom, a methyl group or an ethyl group, provided that when X1 is a methylene group, then X2 is not a divalent group represented by the formula A, and when X1 is a vinylene group, then X2 is not a divalent group represented by the formula A. The compound is a stable capsinoid derivative, and is useful as an active ingredient of an external blood circulation enhancer or a cosmetic composition, a pharmaceutical composition, or a food composition.
摘要翻译:由下式(I')表示的化合物,其中X1是亚甲基,亚乙基,三亚甲基或亚乙烯基,X2是由下式A或B表示的二价基团,Y是亚乙基或 亚乙烯基,m和n各自为0〜7的整数,其满足m + n = 0〜8,R1和R2各自独立地为氢原子,甲基或乙基,条件是当X1为 亚甲基,则X2不是由式A表示的二价基团,当X1是亚乙烯基时,X2不是由式A表示的二价基团。化合物是稳定的类毒素衍生物,可用作 外部血液循环增强剂或化妆品组合物的活性成分,药物组合物或食品组合物。