6-ethoxycarbonyl-7-(2,5-dichlorophenylamino)pyrazolo[1,5-a]pyrimidine-3-sulfonic acid 、 4-(4-氟苯基)哌啶 以in the same manner as in Example 1 step 4, the title compound (0.57 g, 63%) was obtained的产率得到7-(2,5-dichlorophenylamino)-6-[4-(4-fluorophenyl)piperidine-1-carbonyl]pyrazolo[1,5-a]pyrimidine-3-sulfonic acid
The invention provides a pyrazolopyrimidine derivative of formula (I), wherein, for example, R1 represents —NR1aR1b (wherein R1a and R1b are the same or different and each is a hydrogen atom or aralkyl), R2 represents formula (Ya) [wherein k and m each represents an integer of 0-2, n represents an integer of 0-4, L represents a single bond, R5 represents halogen, R6 represents aryl, X represents —CR8 (wherein R8 represents a hydrogen atom), and R7 represents a hydrogen], R3 represents —SO2R13a [wherein R13a represents lower alkoxy, —NR13dC(═O)R13e (wherein R13d represents a hydrogen atom, and R13e represents lower alkyl)], and R4 represents a hydrogen atom, or a pharmaceutically acceptable salt thereof. The invention also provides a medicament containing the pyrazolopyrimidine derivative, as well as a method of using the pyrazolopyrimidine derivative to prevent and/or treat skin diseases.
PYRAZOLOPYRIMIDIN-DERIVATIVE FÜR DIE BEHANDLUNG VON HAUTKRANKHEITEN
申请人:Kyowa Hakko Kirin Co., Ltd.
公开号:EP2543670B1
公开(公告)日:2016-05-04
US8815874B2
申请人:——
公开号:US8815874B2
公开(公告)日:2014-08-26
CHEMOKINE RECEPTOR ACTIVITY REGULATOR
申请人:Yamamoto Keisuke
公开号:US20140221340A1
公开(公告)日:2014-08-07
The invention provides a chemokine receptor activity modulator containing a pyrazolopyrimidine derivative represented by the formula (I)
wherein R
1
, R
2
, R
3
, and R
4
are as described herein.
The invention provides a pyrazolopyrimidine derivative of formula (I), wherein, for example, R
1
represents —NR
1a
R
1b
(wherein R
1a
and R
1b
are the same or different and each is a hydrogen atom or aralkyl), R
2
represents formula (Ya) [wherein k and m each represents an integer of 0-2, n represents an integer of 0-4, L represents a single bond, R
5
represents halogen, R
6
represents aryl, X represents —CR
8
(wherein R
8
represents a hydrogen atom), and R
7
represents a hydrogen], R
3
represents —SO
2
R
13a
[wherein R
13a
represents lower alkoxy, —NR
13d
C(═O)R
13e
(wherein R
13d
represents a hydrogen atom, and R
13e
represents lower alkyl)], and R
4
represents a hydrogen atom, or a pharmaceutically acceptable salt thereof. The invention also provides a medicament containing the pyrazolopyrimidine derivative, as well as a method of using the pyrazolopyrimidine derivative to prevent and/or treat skin diseases.