申请人:Centre International de Recherces Dermatologiques Galderma (Cird
公开号:US05200550A1
公开(公告)日:1993-04-06
Bi-aromatic esters have the formula ##STR1## wherein R.sub.1 represents H, OH, --CH.sub.3, --CH.sub.2 OH, --CH(OH)CH.sub.3, --COOR.sub.9, ##STR2## or SO.sub.2 R.sub.10 ; R.sub.9 represents H, C.sub.1 -C.sub.6 alkyl or mono or polyhydroxyalkyl; R.sub.10 represents OH, C.sub.1 -C.sub.6 alkyl or ##STR3## r' and r" represent H, C.sub.1 -C.sub.6 alkyl, aryl, aralkyl, mono or polyhydroxyalkyl, or r' and r" taken together form a heterocycle; R.sub.2 represents H, C.sub.1 -C.sub.6 alkyl, OR.sub.9, F or --CF.sub.3 ; R.sub.3, R.sub.4 and R.sub.5 represent H, F, OH, --CH.sub.3, --OCH.sub.3, --CF.sub.3, --COOH or --CH.sub.2 OH; R.sub.6 and R.sub.8 represent H, .alpha.-substituted C.sub.3 -C.sub.15 alkyl, .alpha.,.alpha.'-disubstituted C.sub.4 -C.sub.12 alkyl, C.sub.3 -C.sub.12 cycloalkyl, C.sub.5 -C.sub.12 mono or polycyclic cycloalkyl whose linking carbon is trisubstituted, --SR.sub.11, --SO.sub.2 R.sub.11 or --SOR.sub.11 ; R.sub.11 represents C.sub.1 -C.sub.6 alkyl or cycloalkyl; R.sub.6 and R.sub.8 cannot simultaneously represent H; R.sub.7 represents H, C.sub.1 -C.sub.6 alkyl, alkenyl, alkenyloxy, OR.sub.12 or SR.sub.13 ; R.sub.12 represents H, C.sub.1 -C.sub.6 alkyl or alkenyl; R.sub.3 represents H, C.sub.1 -C.sub.6 alkyl or aralkyl; with the proviso that when R.sub.1 represents ##STR4## and R.sub.2 represents H then: (i) either R.sub.3 and R.sub.4 are other than H or --CH.sub.3, (ii) or R.sub.7 is other than OR.sub.12 and R.sub.6 or R.sub.8 is cycloalkyl having more than 7 carbon atoms, (iii) or R.sub.7 is OR.sub.12 but R.sub.6 and R.sub.8 are other than H, (iv) or R.sub.7 is OR.sub.12 but R.sub.5 is other than H. The bi-aromatic esters are employed in human and veterinary medicine and in cosmetic compositions.
双芳香酯的化学式为##STR1##其中R.sub.1代表H,OH,--CH.sub.3,--CH.sub.2 OH,--CH(OH)CH.sub.3,--COOR.sub.9,##STR2##或SO.sub.2 R.sub.10;R.sub.9代表H,C.sub.1 -C.sub.6烷基或单或多羟基烷基;R.sub.10代表OH,C.sub.1 -C.sub.6烷基或##STR3##r'和r"代表H,C.sub.1 -C.sub.6烷基,芳基,芳基烷基,单或多羟基烷基,或r'和r"一起形成杂环;R.sub.2代表H,C.sub.1 -C.sub.6烷基,OR.sub.9,F或--CF.sub.3;R.sub.3,R.sub.4和R.sub.5代表H,F,OH,--CH.sub.3,--OCH.sub.3,--CF.sub.3,--COOH或--CH.sub.2 OH;R.sub.6和R.sub.8代表H,α-取代的C.sub.3 -C.sub.15烷基,α,α'-二取代的C.sub.4 -C.sub.12烷基,C.sub.3 -C.sub.12环烷基,C.sub.5 -C.sub.12单环或多环环烷基,其连接碳为三取代,--SR.sub.11,--SO.sub.2 R.sub.11或--SOR.sub.11;R.sub.11代表C.sub.1 -C.sub.6烷基或环烷基;R.sub.6和R.sub.8不能同时代表H;R.sub.7代表H,C.sub.1 -C.sub.6烷基,烯烃基,烯烃氧基,OR.sub.12或SR.sub.13;R.sub.12代表H,C.sub.1 -C.sub.6烷基或烯烃基;R.sub.3代表H,C.sub.1 -C.sub.6烷基或芳基;但有一个例外,当R.sub.1代表##STR4##且R.sub.2代表H时:(i)要么R.sub.3和R.sub.4不是H或--CH.sub.3,(ii)或者R.sub.7不是OR.sub.12且R.sub.6或R.sub.8是具有超过7个碳原子的环烷基,(iii)或者R.sub.7是OR.sub.12但R.sub.6和R.sub.8不是H,(iv)或者R.sub.7是OR.sub.12但R.sub.5不是H。这些双芳香酯在人类和兽医药物以及化妆品配方中被使用。