Non-nucleoside HIV-1 reverse-transcriptase inhibitors. Part 10. Synthesis and anti-HIV activity of 5-alkyl-6-(1-naphthylmethyl)pyrimidin-4(3H)-ones with a mono- or disubstituted 2-amino function as novel 'dihydro-alkoxy-benzyl-oxopyrimidine' (DABO) analogues.
A series of structurally related 2,5-disubstituted 6-(1-naphthylmethyl)-pyrimidin-4(3H)-ones, compounds 6a-6r, were synthesized and evaluated for their in vitro anti-HIV activities in MT-4 cells. Most of the new compounds investigated showed moderate-to-good activities against wild-type HIV-1, with IC(50) values in the range 5.64-0.21 microM. Compound 6d was the most potent congener (IC(50)=0.21 microM, SI=724) in inhibiting HIV-1 replication, which is ca. 25 times more effective than the reference compound 2',3'-dideoxyinosine (DDI). Preliminary structure-activity relationship (SAR) studies revealed that both modulation of the amino function at C(2) and of the alkyl group at C(5) of the pyrimidine ring are crucial for high anti-HIV-1 activity.
Wang
Yueping
Y
Department of Chemistry, Fudan University, Shanghai 200433, PR China.
Chen
Fen-Er
FE
Balzarini
Jan
J
De Clercq
Erik
E
Pannecouque
Christophe
C
D019380:Anti-HIV Agents / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology*; D002460:Cell Line; D054303:HIV Reverse Transcriptase / Q000037:antagonists & inhibitors*; D015497:HIV-1 / Q000187:drug effects*; D006801:Humans; D008826:Microbial Sensitivity Tests; D015394:Molecular Structure; D011743:Pyrimidines / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology*; D018894:Reverse Transcriptase Inhibitors / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology*; D013237:Stereoisomerism; D013329:Structure-Activity Relationship; D014779:Virus Replication / Q000187:drug effects
D019380:Anti-HIV Agents; D011743:Pyrimidines; D018894:Reverse Transcriptase Inhibitors; D054303:HIV Reverse Transcriptase