Cyclopentenol Nucleoside Compounds Intermediates for their Synthesis and Methods of Treating Viral Infections
申请人:Chu David C.K.
公开号:US20090270431A1
公开(公告)日:2009-10-29
The present invention relates to compounds according to the structure (I), Where B is formula (Ia), formula (Ib) or formula (Ic); A is H, OR
2
or halogen (F, Cl, Br, I, preferably F or Br, more preferably F); A′ is H, OR2 or halogen (F, Cl, Br, I, preferably F or Br, more preferably F); A″ is H or OR
1
, with the proviso that when A′ is OR, A is H; and when A is OR
2
, A′ is H; X is C—R
3
or N; Y is C—R
3
or N; preferably X or Y is N and X and Y are not both simultaneously N; R
3
is H or C
1
-C
3
alkyl; D is H or NHR
2
; E is absent or H; G is O or NHR
2
; J is N or C—R
4
; K is N or C—H; R
4
is H, halogen (F, Cl, Br, I), CN, —C(═O)NH
2
, NH
2
, NO
2
, —C═C—H (cis or trans) or —C≡C—H; R
a
is H or CH
3
; Each R
1
is independently H, an acyl group, a C
1
-C
20
alkyl or ether group, a phosphate, diphosphate, triphosphate, phosphodiester group; Each R
2
is independently H, an acyl group, a C
1
-C
20
alkyl or ether group; and Pharmaceutically acceptable salts, solvates or polymorphs thereof.
本发明涉及结构式(I)的化合物,其中B为公式(Ia),公式(Ib)或公式(Ic);A为H,OR2或卤素(F,Cl,Br,I,优选F或Br,更优选F);A′为H,OR2或卤素(F,Cl,Br,I,优选F或Br,更优选F);A″为H或OR1,但当A′为OR时,A为H;当A为OR2时,A′为H;X为C—R3或N;Y为C—R3或N;优选X或Y为N,且X和Y不同时为N;R3为H或C1-C3烷基;D为H或NHR2;E不存在或为H;G为O或NHR2;J为N或C—R4;K为N或C—H;R4为H,卤素(F,Cl,Br,I),CN,—C(═O)NH2,NH2,NO2,—C═C—H(顺式或反式)或—C≡C—H;Ra为H或CH3;每个R1独立地为H,酰基,C1-C20烷基或醚基,磷酸盐,二磷酸盐,三磷酸盐,磷酸二酯基;每个R2独立地为H,酰基,C1-C20烷基或醚基;以及其药学上可接受的盐,溶剂或多晶形式。