The present invention provides a compound represented by the formula
wherein A represents (1) a bond, (2) a group represented by the formula —CR
a
═CR
b
— (R
a
and R
b
each represent a hydrogen atom or C
1-6
alkyl) and the like; R
1
represents (1) cyano or (2) an optionally esterified or amidated carboxyl group; R
2
represents (1) a hydrogen atom, (2) an optionally substituted hydroxy group, (3) an optionally substituted amino group and the like; R
3
and R
4
each represent a hydrogen atom and the like; R
5
represents a hydrogen atom and the like; R
6
represents an optionally substituted hydroxy group and the like; R
7
and R
8
each represent an optionally substituted hydrocarbon group and the like; R
9
and R
10
each represent (1) a hydrogen atom and the like; Y represents an optionally substituted methylene group; and n represents 0 or 1, or a salt thereof, which has an excellent phosphodiesterase IV inhibiting action.
Furoisoquinoline derivatives, process for producing the same and use thereof
申请人:——
公开号:US20040092582A1
公开(公告)日:2004-05-13
A compound having a partial structure represented by Formula:
1
or a salt thereof has an excellent phosphodiesterase (PDE) IV-inhibiting effect, and is useful as a prophylactic or therapeutic agent against inflammatory diseases, for example, bronchial asthma, chronic obstructive pulmonary disease (COPD), rheumatoid arthritis, autoimmune disease, diabetes and the like.
FUROISOQUINOLINE DERIVATIVES, PROCESS FOR PRODUCING THE SAME AND USE THEREOF
申请人:Takeda Pharmaceutical Company Limited
公开号:EP1270577B1
公开(公告)日:2006-12-06
US6924292B2
申请人:——
公开号:US6924292B2
公开(公告)日:2005-08-02
FUROISOQUINOLINE DERIVATIVE AND USE THEREOF
申请人:Takeda Pharmaceutical Company Limited
公开号:EP1541576A1
公开(公告)日:2005-06-15
The present invention provides a compound represented by the formula
wherein A represents (1) a bond, (2) a group represented by the formula -CRa=CRb- (Ra and Rb each represent a hydrogen atom or C1-6 alkyl) and the like; R1 represents (1) cyano or (2) an optionally esterified or amidated carboxyl group; R2 represents
(1) a hydrogen atom, (2) an optionally substituted hydroxy group,
(3) an optionally substituted amino group and the like; R3 and R4 each represent a hydrogen atom and the like; R5 represents a hydrogen atom and the like; R6 represents an optionally substituted hydroxy group and the like; R7and R8 each represent an optionally substituted hydrocarbon group and the like; R9 and R10 each represent (1) a hydrogen atom and the like; Y represents an optionally substituted methylene group; and n represents 0 or 1, or a salt thereof, which has an excellent phosphodiesterase IV inhibiting action.