申请人:——
公开号:US20030212114A1
公开(公告)日:2003-11-13
An emulsion composition containing a compound represented by the formula:
1
wherein R is an aliphatic hydrocarbon group optionally having substituents, an aromatic hydrocarbon group optionally having substituents, a heterocyclic group optionally having substituents, a group represented by the formula: —OR
1
(wherein R
1
is a hydrogen atom or an aliphatic hydrocarbon group optionally having substituents) or a group represented by the formula:
2
wherein R
1b
is a hydrogen atom or an aliphatic hydrocarbon group optionally having substituents, R
1c
is the same as or different from R
1b
and is a hydrogen atom or an aliphatic hydrocarbon group optionally having substituents, R
0
is a hydrogen atom or an aliphatic hydrocarbon group, or R and R
0
in combination represent a bond, Ar is an aromatic hydrocarbon group optionally having substituents
3
and the like, and n is an integer of 1 to 4, a salt thereof or a prodrug thereof, wherein the composition is adjusted to have a pH of not more than about 6, shows improved stability of the compound, a salt thereof or a prodrug thereof, and realizes expression of superior efficacy.
一种乳液组合物,含有由以下公式表示的化合物:
其中R是脂肪族烃基,可选地具有取代基,芳香族烃基,可选地具有取代基,杂环基,可选地具有取代基,代表式为—OR1(其中R1是氢原子或可选地具有取代基的脂肪族烃基)的基团,或代表式为2的基团(其中R1b是氢原子或可选地具有取代基的脂肪族烃基,R1c与R1b相同或不同,是氢原子或可选地具有取代基的脂肪族烃基,R0是氢原子或脂肪族烃基,或R和R0组合表示键合),Ar是芳香族烃基,可选地具有取代基3等,n为1至4的整数,其盐或前药,其中该组合物的pH值调整为不超过约6,表现出改善化合物,其盐或前药的稳定性,并实现优越疗效的表达。