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    • 10. 发明申请
    • SKIN WHITENING AGENT CONTAINING NOVEL CYCLIC COMPOUND
    • 含有新环化合物的皮肤白化剂
    • US20160221921A1
    • 2016-08-04
    • US14917619
    • 2014-09-05
    • RNS CO.,LTD.
    • Cheong Taek KIM
    • C07C65/21C07C65/24C07D213/79A61K8/35A61Q19/02A61K8/37A61K8/49C07D215/50C07C49/84
    • C07C65/21A61K8/33A61K8/35A61K8/37A61K8/4926A61Q19/02C07C49/84C07C65/24C07C69/157C07C69/24C07C69/84C07C69/92C07C69/94C07D213/79C07D215/50
    • 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 (—NH2), imino (═NH), or a saturated or unsaturated straight or branched alkyl, alkoxy, monoalkylamino, or dialkylamino group having 1 to 10 carbon atoms, Cn, Cn+1and Cn+2 are three neighboring carbon atoms present in the aromatic cyclic compound, wherein n is a positive integer, R1 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, R2, R3, R4 and R5 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.
    • 本发明提供具有优异美白效果的式I表示的衍生物或多羟基环状化合物或其药学上可接受的盐,其包含: 其中{环绕(A)}环衍生自芳族环状化合物,B是氢,氧代(= O),氨基(-NH 2),亚氨基(= NH)或饱和或不饱和的直链或支链烷基,烷氧基, 单烷基氨基或具有1-10个碳原子的二烷基氨基,Cn,Cn + 1和Cn + 2是存在于芳族环状化合物中的三个相邻的碳原子,其中n是正整数,R 1是氢,羟基或饱和或不饱和的 直链或支链烷基或烷氧基,X和Y选自氢,羟基和饱和或不饱和的直链或支链烷氧基或酰氧基,X和Y之一是氢,R2,R3,R4 和R 5各自独立地为至少一个选自氢,烷基,烷氧基,酰氧基,酰氧基甲基,氧代,羟基,乙烯基,腈,甲醛,腈和醛的取代基。