申请人:University College Cork
公开号:US20170218001A1
公开(公告)日:2017-08-03
The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or prodrug thereof, and their use in medicine particular as anti-viral agents;
wherein:
X is selected from O and NR
11
;
Y is selected from O, S and NR
12
;
A is selected from —(CR
1
R
2
)n-, —(CR
9
R
10
)—, —(CR
9
R
10
)—(CR
1
R
2
)n-, —(CR
1
R
3
)—(CR
2
R
4
)—(CR
1
R
2
)n-, —CR
3
═CR
4
—(CR
1
R
2
)n- and —C≡C—(CR
1
R
2
)n-;
R
1
and R
2
are independently selected from H, alkyl, hydroxyl, hydroxymethyl and halogen;
R
3
and R
4
are independently selected from H and alkyl, or R
3
and R
4
together with the carbon atoms to which they are attached form a mono or bicyclic ring system selected from cycloalkyl, cycloalkenyl, heterocycloalkyl, heterocycloalkenyl, aryl and heteroaryl;
R
5
is selected from H, P(═O)(OH)
2
and P(═O)(OH)—O—P(═O)(OH)
2
;
R
6
is selected from H and alkyl;
R
7
and R
8
are independently selected from H, alkyl, halogen and hydroxymethyl
R
9
and R
19
together with the carbon atoms to which they are attached form a mono or bicyclic ring system selected from cycloalkyl, cycloalkenyl, heterocycloalkyl and heterocycloalkenyl;
R
11
is selected from H and alkyl;
R
12
is selected from H and alkyl;
m is 0, 1, 2 or 3;
n is 1, 2 or 3;
p is 0 or 1;
q is 0, 1, 2 or 3;
r is 0, 1, 2, 3, 4 or 5;
s is 0 or 1;
Base is a natural or non-natural nucleobase, and
wherein each alkyl, cycloalkyl, cycloalkenyl, heterocycloalkyl, heterocycloalkenyl, aryl and heteroaryl may be optionally substituted as described herein.