(2-Substituted oxyphenyl) alkanamide derivative, hair growth promoter and external composition for skin using the same
申请人:Shiseido Co, Ltd.
公开号:US06339154B1
公开(公告)日:2002-01-15
A (2-substituted oxyphenyl)alkanamide derivative or a salt thereof expressed by the following Formula (I):
wherein one of A and B is a hydrocarbon group of C3-30 expressed by R1 and the other is —(CH2)n—NR2R3; Z is —CO— or —CONR6—; R2 and R3 individually represent H, lower alkyl or benzyl, or —NR2R3 may be a heterocycle having 3-7 members; wherein —CONR5—(CH2)n—NR2R3 or —CONR6—(CH2)n—NR2R3 may be the following Group (D):
wherein ring Y is a heterocycle of 6 or 7 members; R4 is selected from the group consisting of H, halogen, lower alkyl, lower acyl and etc; R5 and R6 are individually H, lower alkyl, lower acyl or lower alkylcarbamoyl, or may form a part of said Group(II); 1 is 0 or 1; m is 1 or 2; and n is an integer of 0-5. The (2-substituted oxyphenyl)alkanamide derivative or the salt thereof has excellent hair growth and regrowth promoting effects, which are useful for care, improvement or prevention of hair loss in mammals and, in particular, in human.
一种由下式(I)表示的(2-取代氧基苯基)烷酰胺衍生物或其盐:其中A和B中的一个是由R1表示的C3-30的碳氢基团,另一个是—(CH2)n—NR2R3;Z是—CO—或—CONR6—;R2和R3分别代表H、低碳基或苄基,或—NR2R3可以是具有3-7个成员的杂环;其中—CONR5—(CH2)n—NR2R3或—CONR6—(CH2)n—NR2R3可以是以下的基团(D):其中环Y是6个或7个成员的杂环;R4从H、卤素、低碳基、低酰基等组成的群体中选择;R5和R6分别为H、低碳基、低酰基或低碳基氨基酰基,或者可以构成所述的基团(II)的一部分;l为0或1;m为1或2;n为0-5的整数。该(2-取代氧基苯基)烷酰胺衍生物或其盐具有优异的促进头发生长和再生效果,对于哺乳动物的头发护理、改善或预防脱发特别有用,尤其是对人类。