申请人:RNS CO.,LTD.
公开号:US20160221921A1
公开(公告)日:2016-08-04
Provided is a derivative or a polyhydroxy cyclic compound represented by Formula I or a pharmacologically acceptable salt thereof with excellent whitening effects, comprising;
wherein circle around (A)} is derived from an aromatic cyclic compound,
B is hydrogen, oxo (═O), amino (—NH
2
), imino (═NH), or a saturated or unsaturated straight or branched alkyl, alkoxy, monoalkylamino, or dialkylamino group having 1 to 10 carbon atoms,
C
n
, C
n+1
and C
n+2
are three neighboring carbon atoms present in the aromatic cyclic compound, wherein n is a positive integer,
R
1
is hydrogen, hydroxy, or a saturated or unsaturated straight or branched alkyl or alkoxy group,
X and Y are selected from a group consisting of hydrogen, hydroxy, and a saturated or unsaturated straight or branched alkoxy, or acyloxy group, and one of X and Y is hydrogen,
R
2
, R
3
, R
4
and R
5
are each independently at least one substituent selected from a group consisting of hydrogen, alkyl, alkoxy, acyloxy, acyloxymethyl, oxo, hydroxy, vinyl, nitrile, carboxaldehyde, carbonitrile and aldehyde.
提供的是一种由化学式I表示的衍生物或多羟基环化合物,或其药理学上可接受的盐,具有出色的美白效果,包括;其中圆圈A}源自芳香环化合物,B为氢、氧化物(═O)、氨基(—NH2)、亚胺基(═NH)或具有1至10个碳原子的饱和或不饱和直链或支链烷基、烷氧基、单烷基氨基或二烷基氨基基团,Cn、Cn+1和Cn+2是芳香环化合物中存在的三个相邻碳原子,其中n为正整数,R1为氢、羟基或饱和或不饱和直链或支链烷基或烷氧基,X和Y从氢、羟基和饱和或不饱和直链或支链烷氧基或酰氧基组成的一组中选择,并且X和Y中的一个为氢,R2、R3、R4和R5分别独立地至少为来自氢、烷基、烷氧基、酰氧基、酰氧甲基、氧化物、羟基、乙烯基、腈基、羧醛基、碳腈基和醛基的取代基组成的一组中的至少一种取代基。