Synthesis and Antiviral Activity of 7-Benzyl-4-hydroxy-1,5-naphthyridin-2(1H)-one HIV Integrase Inhibitors
摘要:
The medicinal chemistry and structure-activity relationships for a novel series of 7-benzyl-4-hydroxy-1,5-naphthyridin-2(1H)-one HIV-integrase inhibitors are disclosed. Substituent effects were evaluated at the N-1, C-3, and 7-benzyl positions of the naphthyridinone ring system. Low nanomolar IC50 values were achieved in an HIV-integrase strand transfer assay with both carboxylic ester and carboxamide groups at C-3. More importantly, several carboxamide congeners showed potent antiviral activity in cellular assays. A 7-benzyl substituent was found to be critical for potent enzyme inhibition, and an N-(2-methoxyethyl)-carboxamide moiety at C-3 significantly reduced plasma protein binding effects in vitro. Pharmacokinetic data in rats for one carboxamide analogue demonstrated oral bioavailability and reasonable in vivo clearance.
Synthesis and Antiviral Activity of 7-Benzyl-4-hydroxy-1,5-naphthyridin-2(1H)-one HIV Integrase Inhibitors
摘要:
The medicinal chemistry and structure-activity relationships for a novel series of 7-benzyl-4-hydroxy-1,5-naphthyridin-2(1H)-one HIV-integrase inhibitors are disclosed. Substituent effects were evaluated at the N-1, C-3, and 7-benzyl positions of the naphthyridinone ring system. Low nanomolar IC50 values were achieved in an HIV-integrase strand transfer assay with both carboxylic ester and carboxamide groups at C-3. More importantly, several carboxamide congeners showed potent antiviral activity in cellular assays. A 7-benzyl substituent was found to be critical for potent enzyme inhibition, and an N-(2-methoxyethyl)-carboxamide moiety at C-3 significantly reduced plasma protein binding effects in vitro. Pharmacokinetic data in rats for one carboxamide analogue demonstrated oral bioavailability and reasonable in vivo clearance.
The present invention features compounds that are HIV integrase inhibitors and therefore are useful in the inhibition of HIV replication, the prevention and/or treatment of infection by HIV, and in the treatment of AIDS and/or ARC.
The present invention features compounds that are HIV integrase inhibitors and therefore are useful in the inhibition of HIV replication, the prevention and/or treatment of infection by HIV, and in the treatment of AIDS and/or ARC.
Heterocyclic compounds having inhibitory activity against HIV integrase
申请人:Murai Hitoshi
公开号:US20090118233A1
公开(公告)日:2009-05-07
A heterocyclic compound of the formula (I):
wherein B
1
is —C(R
2
)═ or —N═; R
1′
is H, etc.; one of R
1
and R
2
is -Z
1
-Z
2
-Z
3
-R
5
wherein Z
1
and Z
3
are independently single bond, optionally substituted alkylene, etc.; Z
2
is single bond, optionally substituted alkylene, etc.; R
5
is optionally substituted aryl, optionally substituted heteroaryl, etc., and the other of R
1
and R
2
is H; -A
1
- is —C(—Y)═C(—R
A
)—C(—R
3
)═C(—R
4
)—, etc. wherein Y is OH, etc.; R
A
is —COR
7
wherein R
7
is OH, etc.; one of R
3
and R
4
is carboxy, etc., and the other of R
1
and R
2
is H, etc,
a prodrug thereof, a pharmaceutically acceptable salt thereof, and a solvate thereof, having an antiviral activity, more particularly, an inhibitory activity against HIV integrase, and a pharmaceutical composition containing the same, especially an anti-HIV drug.