×

Naphthalene derivative

  • US 5,945,450 A
  • Filed: 11/22/1996
  • Issued: 08/31/1999
  • Est. Priority Date: 05/31/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A naphthalene derivative having the following formula (I):

  • ##STR126## wherein A represents a hydrogen atom, a hydroxy group, a C7 -C11 aralkyloxy group, or an alkoxy group composed of an oxy group and a C1 -C12 aliphatic or alicyclic, saturated or unsaturated hydrocarbon group in which the alkyl moiety may be substituted with a C6 -C10 aryloxy group;

    O represents O, S, O--CH2, S--CH2, or CHOR1 ;

    L represents CO, CR2 R3 CO, CH2 CH2 CO, or CH═

    CHCO;

    D represents a hydrogen atom, NO2, NH2, CO2 R4, or a group having the following formula (II);

    ##STR127## wherein G represents a hydrogen atom, OH, SO2 NH2, CO2 R6, CN or a tetrazol-5-yl group;

    E represents a hydrogen atom, OH, SO2 NH2, CO2 R5, CN, or a tetrazol-5-yl group;

    M represents a hydrogen atom, a C1 -C4 lower alkyl group, a nitro group, or a halogen atom; and

    R1, R2, R3, R4, R5 and R6, independently represent a hydrogen atom or a C1 -C4 lower alkyl group;

    a pharmacologically acceptable salt thereof or a pharmacologically acceptable solvate thereof.

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