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Lactone compounds for treating patients with precancerous lesions

  • US 5,696,159 A
  • Filed: 08/03/1994
  • Issued: 12/09/1997
  • Est. Priority Date: 08/03/1994
  • Status: Expired due to Fees
First Claim
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1. A compound comprising:

  • ##STR3## R1 and R2 are independently selected from the group consisting of hydrogen, amino, lower alkyl, lower alkoxy, azide, hydroxy, halogen, acetoxyl, benzoxy, or substituted phenyl where the substituents are selected from the group consisting of halogen, lower alkyl, or lower alkoxy;

    or R1 and R2 form a carbonyl or imine;

    orR2 and R3 together form a double bond, aziridin, epoxide or triazole;

    or a dioxolane,R3 is selected from the group consisting of hydrogen, halogen, azide, lower alkyl, lower alkoxy, cyano, hydroxy, di(lower)alkyl amino(lower)alkylthio, loweralkylthio, phenylthio, or lower(dialkyl)amino.R4 is selected from the group consisting of hydrogen, hydroxy, halogen, lower alkoxy or lower alkyl, or lower dialkyl amino,R5 is selected from the group consisting of hydrogen, hydroxy, halogen, lower alkoxy, lower alkyl, amino, or lower dialkyl amino,R6 is selected from the group consisting of hydrogen, lower alkyl, hydroxy, lower alkoxy, halogen or R6 and R8 together from a double bond,R7 is selected from the group consisting of hydrogen, lower alkyl, phenyl, halo(lower)alkyl, hydroxy(lower)alkyl, acetoxy(lower)alkyl, benzyloxy(lower)alkyl, or (lower)alkyl(lower)alkoxy, or di(lower)alkylamino(lower)alkyl,R8 and R9 are independently selected from the group consisting of hydrogen, lower alkyl, hydroxy, lower alkoxy, or halogen;

    R10 and R11 are independently selected from the group consisting of hydrogen, halogen, lower alkoxy, or lower alkyl,R12 is selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, loweralkylthio, loweralkylsulfinyl, lower alkyl sulfonyl, or amidosulfonyl.

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