摘要:
4'-Ethynylostavudine derivatives according to the invention substituted at 4'-ethynylostavudine 5'-O-position with 12-tetradodecanoyl, 12-bromododecanoyl, 12-methoxydodecanoyl, 12-ethylothiododecanoyl, or 12-azidododecanoyl group (represented by the symbols WA37, WA38, WA40, WA42, WA39 ) in deClPhR™ cells exert very high antiviral activity against the wild type HIV-1 strain, as well as against its drug and multidrug resistant strains, without any citotoxicty at the therapeutic concentrations (CC 50 >200 µM). These compounds, because of their very low toxicity may be applied at all phases of AIDS, even at the final phase when the T4 lymphocytes level in patients drops down below 200/µL of peripheral blood. The 2',3'- didehydro-3'-deoxy-4'-ethynylothymidine derivatives, according to the invention, are synthesized by the transformation of the known compound 4'-ethynylostavudine ( WA32, wherein R represents hydrogen).
摘要:
2',3'-Dideoxy-3'-fluoro-4-thiothymidine (4-SFLT) derivatives according to the invention substituted at 5'-O position of 4-SFLT with 12-tetradodecanoyl, 12-bromododecanoyl, 12-metoxydodecanoyl, 12-ethylothiododecanoyl, 11-ethylothioundecanoyl or 12-azidodocanoyl group (represented by the symbols WA18, WA19, WA21,WA22,WA23 and WA20 in the deCIPhR™ cell system exert high antiviral activity against wild type HIV-1 strain, as well as against its drug and multidrug resistant strains, and moreover very low citotoxicity (CC 50 > 200 µM) and very high selectivity. The compounds, because of lack of toxicity may be applied at all AIDS phases i.e. also them the T4 lymphocytes level in patients drops down below 200/ µL of peripheral blood. 2',3'-Dideoxy-3'-fluoro-4-thiothymidine derivatives according to the invention are synthesized by the transformation of the known compound 2',3'-dideoxy-3'-fluoro-4-thiothymidine (4-SFLT).
摘要:
Analogs of 3'-fluorothymidine 5'-monophosphate (FLTMP), preferably intended 2',3'-dideoxy-3'-fluoro-β-D- erythro -pentofuranoside of thymine 5'-monophosphate (FLTMP): 3'-fluoro-2-thiothymidine 5'-monophosphate intended 2',3'-dideoxy-3'-fluoro-β-D- erythro -pentofuranoside of 2-thiothymine 5'-monophosphate; 3'-fluoro-4-thiothymidine 5'-monophosphate is intended 2',3'-dideoxy-3'-fluoro-β-D- erythro -pentofuranoside of 4-thiothymine 5'-monophosphate (4-SFLTMP). This invention includes also medical use of analogues of 3'-fluorothymidine 5'-monophosphate (FLTMP), according to the invention, Formula 1 , for therapy of infections caused by the human immunodeficiency virus (HIV-1) wild type strain and strains showing resistance and multidrug resistance. The inventors unexpectedly discovered that proposed new FLTMP analogs with thiosubstituent at 2 or 4 position of FLT pyrimidine ring and monophosphate group at 5'-0-of 2,3-dideoxyribose exert very potent inhibitory activity against drug and multidrug resistant HIV-1 strains, as well as show high selectivity and good solubility in water. This invention also includes pharmaceutical acceptable form of drug, which according to the invention, contain known acceptable media and auxiliary substances, containing, as an active compounds analogues of general Formula 1 , in which X , Y and R have the above-mentioned importance, especially the relationship being dilithium salt of 2-SFLTMP and 4-SFLTMP.
摘要:
4'-Ethynylostavudine derivatives according to the invention substituted at 4'-ethynylostavudine 5'-O-position with 12-tetradodecanoyl, 12-bromododecanoyl, 12-methoxydodecanoyl, 12-ethylothiododecanoyl, or 12-azidododecanoyl group (represented by the symbols WA37, WA38, WA40, WA42, WA39 ) in deClPhR™ cells exert very high antiviral activity against the wild type HIV-1 strain, as well as against its drug and multidrug resistant strains, without any citotoxicty at the therapeutic concentrations (CC 50 >200 µM). These compounds, because of their very low toxicity may be applied at all phases of AIDS, even at the final phase when the T4 lymphocytes level in patients drops down below 200/µL of peripheral blood. The 2',3'- didehydro-3'-deoxy-4'-ethynylothymidine derivatives, according to the invention, are synthesized by the transformation of the known compound 4'-ethynylostavudine ( WA32, wherein R represents hydrogen).
摘要:
2',3'-Dideoxy-3'-fluoro-4-thiothymidine (4-SFLT) derivatives according to the invention substituted at 5'-O position of 4-SFLT with 12-tetradodecanoyl, 12-bromododecanoyl, 12-metoxydodecanoyl, 12-ethylothiododecanoyl, 11-ethylothioundecanoyl or 12-azidodocanoyl group (represented by the symbols WA18, WA19, WA21,WA22,WA23 and WA20 in the deCIPhR™ cell system exert high antiviral activity against wild type HIV-1 strain, as well as against its drug and multidrug resistant strains, and moreover very low citotoxicity (CC 50 > 200 µM) and very high selectivity. The compounds, because of lack of toxicity may be applied at all AIDS phases i.e. also them the T4 lymphocytes level in patients drops down below 200/ µL of peripheral blood. 2',3'-Dideoxy-3'-fluoro-4-thiothymidine derivatives according to the invention are synthesized by the transformation of the known compound 2',3'-dideoxy-3'-fluoro-4-thiothymidine (4-SFLT).