申请人:Matier William L.
公开号:US20130131052A1
公开(公告)日:2013-05-23
Ophthalmically acceptable compositions used in arresting the development of cataracts or macular degeneration comprising a pharmaceutically acceptable carrier or diluent and a compound having the formula:
where R
1
and R
2
are, independently, H or C
1
to C
3
alkyl;
R
3
and R
4
are, independently C
1
to C
3
alkyl; and
where R
1
and R
2
, taken together, or R
3
and R
4
, taken together, or both may be cycloalkyl;
R
5
is H, OH, or C
1
to C
6
alkyl;
R
6
is or C
1
to C
6
alkyl, alkenyl, alkynyl, or substituted alkyl or alkenyl;
R
7
is C
1
to C
6
alkyl, alkenyl, alkynyl, or substituted alkyl or alkenyl
or where R
6
and R
7
, or R
5
, R
6
and R
7
, taken together, form a carbocycle or heterocycle having from 3 to 7 atoms in the ring.
眼科可接受的组合物,用于阻止白内障或黄斑变性的发展,包括一种药学可接受的载体或稀释剂和一种具有以下化学式的化合物:其中R1和R2分别为H或C1到C3烷基;R3和R4分别为C1到C3烷基;且其中R1和R2,一起取或R3和R4,一起取或两者都可以是环烷基;R5为H,OH或C1到C6烷基;R6为C1到C6烷基,烯基,炔基或取代的烷基或烯基;R7为C1到C6烷基,烯基,炔基或取代的烷基或烯基,或者其中R6和R7,或R5,R6和R7一起形成具有3到7个原子的碳环或杂环。