Substituted nucleosides, nucleotides and analogs thereof
Disclosed herein are nucleosides, nucleotides and nucleotide analogs, methods of synthesizing the same and methods of treating diseases and/or conditions such as a Picornavirus and/or Flaviviridae infection with one or more nucleosides, nucleotides and nucleotide analogs.
1. A method for ameliorating or treating a Picornaviridae viral infection comprising contacting a cell infected with the Picornaviridae virus with an effective amount of a compound of Formula (I), or a pharmaceutically acceptable salt thereof, wherein the compound of Formula (I) has the structure:
wherein:
B 1A is an optionally substituted heterocyclic base or an optionally substituted heterocyclic base with a protected amino group.
2. The method of claim 1 , wherein B 1A is selected from the group consisting of:
wherein:
R A2 is selected from the group consisting of hydrogen, halogen and NHR J2 , wherein R J2 is selected from the group consisting of hydrogen, —C(═O)R K2 and —C(═O)OR L2 ;
R B2 is halogen or NHR W2 , wherein R W2 is selected from the group consisting of hydrogen, an optionally substituted C 1-6 alkyl, an optionally substituted C 2-6 alkenyl, an optionally substituted C 3-8 cycloalkyl, —C(═O)R M2 and —C(═O)OR N2 ;
R C2 is hydrogen or NHR O2 , wherein R O2 is selected from the group consisting of hydrogen, —C(═O)R P2 and —C(═O)OR Q2 ;
R D2 is selected from the group consisting of hydrogen, deuterium, halogen, an optionally substituted C 1-6 alkyl, an optionally substituted C 2-6 alkenyl and an optionally substituted C 2-6 alkynyl;
R E2 is selected from the group consisting of hydrogen, hydroxy, an optionally substituted C 1-6 alkyl, an optionally substituted C 3-8 cycloalkyl, —C(═O)R R2 and —C(═O)OR S2 ;
R F2 is selected from the group consisting of hydrogen, halogen, an optionally substituted C 1-6 alkyl, an optionally substituted C 2-6 alkenyl and an optionally substituted C 2-6 alkynyl;
Y 2 and Y 3 are independently N or CR 2 , wherein R 2 is selected from the group consisting of hydrogen, halogen, an optionally substituted C 1-6 alkyl, an optionally substituted C 2-6 alkenyl and an optionally substituted C 2-6 alkynyl;
W 1 is NH, —NCH 2 —OC(═O)CH(NH 2 )—CH(CH 3 ) 2 or —(CH 2 ) 1-2 —O—P(═O)(OW 1A ) 2 , wherein W 1A is selected from the group consisting of absent, hydrogen and an optionally substituted C 1-6 alkyl;
R G2 is an optionally substituted C 1-6 alkyl;
R H2 is hydrogen or NHR T2 , wherein R T2 is independently selected from the group consisting of hydrogen, —C(═O)R U2 and —C(═O)OR V2 ; and
R K2 , R L2 , R M2 , R N2 , R P2 , R Q2 R R2 , R S2 , R U2 and R V2 are independently selected from the group consisting of hydrogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-6 cycloalkyl, C 3-6 cycloalkenyl, C 6-10 aryl, heteroaryl, heterocyclyl, aryl(C 1-6 alkyl), heteroaryl(C 1-6 alkyl) and heterocyclyl(C 1-6 alkyl).
3. The method of claim 2 , wherein B 1A is
4. The method of claim 2 , wherein B 1A is
5. The method of claim 2 , wherein B 1A is
6. The method of claim 2 , wherein B 1A is