申请人:L'Oreal
公开号:US04876381A1
公开(公告)日:1989-10-24
The invention relates to a compound of the formula (II) ##STR1## and the corresponding isomers and salts, in which formula: a and b are integers which independently of one another can assume the values 0 or 1, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent, independently, a hydrogen atom, a linear or branched C.sub.1 -C.sub.6 -alkyl radical or a C.sub.1 -C.sub.4 -alkoxy radical, R.sub.6 represents a C.sub.1 -C.sub.6 -alkyl radical, R.sub.5 and R.sub.12 represent a hydrogen atom or a C.sub.1 -C.sub.4 -alkyl radical, with the proviso that R.sub.5 cannot represent hydrogen if a=b=0 and R.sub.11 has various meanings. These compounds have useful dermatological properties.
本发明涉及公式(II)的化合物及其对应的异构体和盐,其中公式中:a和b是整数,可以独立地取值为0或1,R1,R2,R3和R4分别独立地表示氢原子,线性或支链状的C1-C6烷基基团或C1-C4烷氧基基团,R6表示C1-C6烷基基团,R5和R12表示氢原子或C1-C4烷基基团,但是当a=b=0时,R5不能表示氢,R11具有不同的含义。这些化合物具有有用的皮肤学性质。