申请人:LG Chemical Ltd.
公开号:US06093836A1
公开(公告)日:2000-07-25
The present invention relates to a novel 1,3-diphenylpropane derivative having an inhibitory activity against tyrosinase represented by the following formula (I): ##STR1## in which - - represents double or single bond, R.sub.1 represents hydrogen or C.sub.1 -C.sub.10 alkyl, R.sub.2 represents C.sub.1 -C.sub.5 alkyl or C.sub.1 -C.sub.5 alkoxyalkyl, or R.sub.1 and R.sub.2 together represent a 5 to 6 membered heterocycle which can be substituted by C.sub.1 -C.sub.5 alkyl and which contains oxygen as the hetero atom, R.sub.3 represents hydrogen or C.sub.1 -C.sub.7 alkyl, R.sub.4 represents hydrogen, hydroxy, or oxo, and R.sub.5 and R.sub.6 mindependently of one another represent hydrogen or C.sub.1 -C.sub.5 alkyl.
本发明涉及一种对酪氨酸酶具有抑制活性的新型1,3-二苯基丙烷衍生物,其化学结构如下所示:在其中- -代表双键或单键,R.sub.1代表氢或C.sub.1-C.sub.10烷基,R.sub.2代表C.sub.1-C.sub.5烷基或C.sub.1-C.sub.5烷氧基烷基,或R.sub.1和R.sub.2一起代表一个含氧原子作为杂原子的5到6元杂环,可以被C.sub.1-C.sub.5烷基取代,R.sub.3代表氢或C.sub.1-C.sub.7烷基,R.sub.4代表氢、羟基或氧代基,R.sub.5和R.sub.6独立地代表氢或C.sub.1-C.sub.5烷基。