The merocianina compound derivative, its use and preparation.

摘要

The merocianina compound derivative, its use and cosmetic preparation.The present invention relates to merocianina derivatives of formula (1), in which R ~ 1 ~ R ~ 2 ~ are independent of each other (C ~ 4 ~ - C ~ 22 ~ aiquiia branched; or C ~ 4 ~ - C ~ 12 ~ alquenila branched; R and R ~ ~ ~ 3 4 ~ are independently of each other damage; color ~ 7 ~,Coor ~ 7 ~; conr ~ 7 ~ R ~ 8 ~; S0 ~ 2 ~ (C ~ 6 ~ C ~ 12 ~) arila; C ~ 2 ~ - C ~ 12 ~ alque - 1 - Nila; C ~ 3 ~ C ~ 12 ~ cicloalque - 1 - naked; C ~ 2 the ~ C ~ 12 ~ Alqui - 1 - naked; C ~ 2 ~ - C ~ 12 ~ heteroalquila; C ~ 3 ~ C ~ 5 ~ hetero cicloalquila; C6 c10ariia; or C1 - c9heteroarila; where at least one of R3 and R4 is R5 and R6 are independently cyan; One of the other hydrogen; C ~ 1 ~ C ~ 6 ~ alkyl; C ~ 5 ~ - cacicloalquila which can be replaced by a moreWhat a C ~ 1 ~ C ~ 4 ~ alkyl; and R and R ~ ~ 7 ~ 8 ~ are independently hydrogen; C ~ 1 ~ - C ~ C ~ 22 ~ alkyl; C ~ 2 ~ - C ~ 12 ~ alquenila; C ~ 2 ~ - C ~ 12 ~ alquinila; C ~ 3 ~ C ~ 12 ~ cicloalquila; C ~ 3 ~ C ~ 12 ~ cicloalquenila; - (CH ~ 2 ~) tcooh; C ~ 1 ~ C ~ 12 ~ aralquila; C ~ 1 ~ C ~ 12 ~ heteroalquila; C ~ 2 ~ - C ~ 11 ~ Heteroaralquila; C ~ 6 - C ~ 10 ~ - cloarila; C ~ 1 ~ C ~ 9 ~ cgheteroarila.The compounds are useful as ab - sorvedores UV protection of human hair and skin from the effects of radiation uv.1. pre judicial