×

Nucleoside analogs

  • US 5,726,174 A
  • Filed: 06/07/1995
  • Issued: 03/10/1998
  • Est. Priority Date: 05/15/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. A compound of formula (II) or (VIII) ##STR101## wherein the broken line is an optional bond;

  • X, R and X'"'"' are the same or different and are H or alkyl with 1 to 6 carbon atoms;

    wherein in the compound of formula (II), Y and Z are the same or different and are H;

    OH;

    alkyl having 1 to 6 carbon atoms;

    alkyl having 1 to 6 carbon atoms which is substituted with halogen, hydroxy, amino or azido;

    or when the optional double bond is not present, Y and Z are taken together to form an oxygen atom or a methylene group ##STR102## wherein in the compound of formula (VIII), Y is halogen, phenylthio or phenylseleno;

    wherein in the compound of formula (II), B is hypoxanthine, xanthine, guanine, 8-bromoguanine, 8-chloroguanine, 8-methylguanine, 8-thioguanine, 3-deazaguanine, purine, 2-aminopurine, 2,6-diaminopurine, adenine, or 3-deazaadenine any one of which is substituted at the 9-position;

    and, wherein in the compound of formula (VIII), B is hypoxanthine, xanthine, guanine, 8-bromoguanine, 8-chloroguanine, 8-methylguanine, 8-thioguanine, 3-deazaguanine, purine, 2-aminopurine, 2,6-diaminopurine, adenine, 3-deazaadenine, 8-aminoguanine, 8-hydrazinoguanine or 8-hydroxyguanine, any one of which is substituted at the 9-position; and

    the pharmaceutically acceptable salts thereof.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×