SAR studies of capsazepinoid bronchodilators. Part 1: The importance of the catechol moiety and aspects of the B-ring structure
摘要:
Capsazepine as well as its derivatives and analogues are general inhibitors of constriction of human small airways. From a systematic variation of the capsazepine structure, divided into four regions, SARs were established. This part concerns the catechol moiety of the A-ring as well as the 2,3,4,5-tetrahydro-1H-2-azepine moiety (the B-ring) of capsazepine. It is revealed that a conformational constrain (as a fused ring) is important and that compounds with a six-membered B-ring (as a 1,2,3,4-tetrahydroisoquinoline) in general are more potent than the corresponding isoindoline, 2,3,4,5 -tetrahydro-1H-2-benzazepi ne and 2,3,4,5-tetrahydro-1H-3-benzazepine derivatives. (C) 2007 Elsevier Ltd. All rights reserved.
A compound of the general formula (I) including its pharmaceutically acceptable acid addition salts formula (I) wherein A is CHR9, wherein R9 is H, C1-C6 alkyl;n is 1-3; B is CHR10, wherein R10 is H, C1-C6 alkyl; m is 1 or 2; D is O or S; E is CR11R12 or NR13, wherein R11 and R12 are, independent of each other, H or C1-C6 alkyl, R13 is H or C1-C6 alkyl; F is C1-C18 alkyl or R4-R7 cycloalkyl, which may be mono- or di-unsaturated and/or substituted, is useful in treating and preventing pulmonary disease characterized by bronchoconstriction; also disclosed is a pharmaceutical composition comprising the compound of formula (I), a pharmaceutical carrier and, optionally, an anti-asthmatic, a method for its manufacture, and a method for treating or preventing such disease.
A compound of the general formula (I) including its pharmaceutically acceptable acid addition salts
wherein A is CHR
9
, wherein R
9
is H, C
1
-C
6
alkyl; n is 1-3; B is CHR
10
, wherein R
10
is H, C
1
-C
6
alkyl; m is 1 or 2; D is O or S; E is CR
11
R
12
or NR
13
, wherein R
11
and R
12
are, independent of each other, H or C
1
-C
6
alkyl, R
13
is H or C
1
-C
6
alkyl; F is C
1
-C
18
alkyl or R
4
-R
7
cycloalkyl, which may be mono- or di-unsaturated and/or substituted, is useful in treating and preventing pulmonary disease characterized by bronchoconstriction; also disclosed is a pharmaceutical composition comprising the compound of formula (I), a pharmaceutical carrier and, optionally, an anti-asthmatic, a method for its manufacture, and a method for treating or preventing such disease.
SAR studies of capsazepinoid bronchodilators. Part 1: The importance of the catechol moiety and aspects of the B-ring structure
作者:Marı´a F. Dalence-Guzmán、Magnus Berglund、Staffan Skogvall、Olov Sterner
DOI:10.1016/j.bmc.2007.11.055
日期:2008.3
Capsazepine as well as its derivatives and analogues are general inhibitors of constriction of human small airways. From a systematic variation of the capsazepine structure, divided into four regions, SARs were established. This part concerns the catechol moiety of the A-ring as well as the 2,3,4,5-tetrahydro-1H-2-azepine moiety (the B-ring) of capsazepine. It is revealed that a conformational constrain (as a fused ring) is important and that compounds with a six-membered B-ring (as a 1,2,3,4-tetrahydroisoquinoline) in general are more potent than the corresponding isoindoline, 2,3,4,5 -tetrahydro-1H-2-benzazepi ne and 2,3,4,5-tetrahydro-1H-3-benzazepine derivatives. (C) 2007 Elsevier Ltd. All rights reserved.