N-乙基哌嗪 、 戊二酸酐 在
氩 、 乙醚 作用下,
以
1,4-二氧六环 、 乙醚 为溶剂,
20.0~25.0 ℃
、12.0 kPa
条件下,
反应 19.0h,
以to give 1.95 g of 5-(4-ethylpiperazin-1-yl)-5-oxopentanoic acid in the form of a hygroscopic pink solid which的产率得到5-(4-ethylpiperazin-1-yl)-5-oxopentanoic acid
参考文献:
名称:
Streptogramin derivatives, their preparation and compositions containing them
Disclosed are a compound represented by formula (I) and a pharmaceutically acceptable salt thereof,
wherein R
1
, R
2
, R
3
, R
4
, R
5
, W, n are defined as in the present application.
Quinoline Derivatives as NK-3 and NK-2 Antagonists
申请人:Farina Carlo
公开号:US20070015766A1
公开(公告)日:2007-01-18
Certain compounds of formula (I) below or a pharmaceutically acceptable salt or hydrate thereof:
wherein:
R
1
is H or alkyl;
R
2
is aryl, cycloalkyl or heteroaryl;
R
3
is H or C
1-3
alkyl, optionally substituted by one or more fluorines;
R
4
is H, R
8
NR
9
R
10
, R
11
R
13
or R
11
R
12
R
13
; or
R
5
is branched or linear alkyl, cycloalkyl, aryl, arylalkyl, or a single or fused ring aromatic heterocyclic group; a process for preparing such compounds, a pharmaceutical composition comprising such compounds and the use of such compounds and the use of such compounds and composition in medicine.
Disclosed are a compound represented by formula (I) and a pharmaceutically acceptable salt thereof,
wherein R1, R2, R3, R4, R5, W, n are defined as in the present application. Also disclosed is a method for treating cancer, comprising administering to a subject in need thereof a therapeutically effective amount of the compound represented by formula (I) or a pharmaceutically acceptable salt thereof. The compound and a salt thereof according to the present application possess good anticancer and/or antitumor activity, and good water solubility and stability, as well as good tolerance in animal bodies. Also disclosed is a process for preparing a compound represented by formula (I) of the present application.