1-[2', 3' -DIDEOXY-3' C- (HYDROXYMETHYL) - BETA-D-ERYTHRO-PENTOFURANOSYL] CYTOSINE DERIVATIVES AS HIV INHIBITORS
申请人:ZHOU Xiao-Xiong
公开号:US20110112294A1
公开(公告)日:2011-05-12
Compounds of the formula I
wherein:
R
1
is independently H, —OR
3
, —NHR
4
; C
1
-C
4
alkyl;
or, when n is 2, adjacent R
1
together define an olefinic bond;
R
2
is H;
or when the gem R
1
is C
1
-C
4
alkyl, that R
2
may also be C
1
-C
4
alkyl;
or when the gem R
1
is —OR
3
, that R
2
may also be —C(═O)OH or a pharmaceutically acceptable ester thereof;
R
3
is independently H, or a pharmaceutically acceptable ester thereof;
R
4
is independently H or a pharmaceutically acceptable amide thereof;
R
5
and R6 are H or an amine prodrug moiety
n is 1, 2 or 3;
and pharmaceutically acceptable salts thereof;
have utility in the treatment or prophylaxis of HIV, especially reverse transcriptase mutants which allow an obligate chain terminating nucleoside- or nucleotide phosphate to be excised from the nascent DNA strand by ATP- or pyrophosphate-mediated excision.