申请人:Eli Lilly and Company
公开号:US06407243B1
公开(公告)日:2002-06-18
The present invention provides novel compound of the formula:
wherein
Ra is —OH or
—O—(C1-C4 alkyl);
R1a is —OH or
—O—(C1-C4 alkyl);
n is 2 or 3;
R2 and R3 are each independently:
—C1-C4 alkyl, or
combine to form
1-piperidinyl,
1-pyrrolidinyl,
1-pyrrolidinyl substituted with one or two methyl groups,
4-morpholino or
1-hexamethyleneimino;
or a pharmaceutically acceptable salt thereof.
本发明提供了一种新颖的化合物,其化学式为:其中Ra为—OH或—O—(C1-C4烷基);R1a为—OH或—O—(C1-C4烷基);n为2或3;R2和R3各自独立地为:—C1-C4烷基,或结合形成1-哌啶基,1-吡咯基,1-吡咯基,带有一个或两个甲基的4-吗啉基或1-己亚甲基亚胺基;或其药学上可接受的盐。