Title:
トリテルペン誘導体および肝疾患治療剤
Document Type and Number:
Japanese Patent JP3727353
Kind Code:
B2
Abstract:
A triterpene derivative useful for the treatment of hepatic disorders is disclosed. This compound comprises as an active ingredient a triterpene derivative represented by the following formula (I) or a salt thereof: wherein R<1> represents a hydroxyl group, arylmethyloxy, lower alkoxy, or lower alkanoyloxy, R<2> represents lower alkyl, lower alkenyl, -CH2OR<5>, formyl, -COOR<6>, or - CH2N(R<7>)R<8>, or R<1> and R<2> may combine with each other to form -O-C(R<9>)R<10>-O-CH2-, R<3> and R<4>, which may be the same or different, represent a hydrogen atom, a hydroxyl group, lower alkyl, lower alkenyl, aryl, hydroxymethyl, -N(R<11>)R<12>, formyl, -COOR<6>, or -OR<13>, or R<3> and R<4> may combine with each other to form oxo, hydroxyimino, or alkylidene and X represents O, CH2, or NH.
Inventors:
Kazue Sasaki
Minowa
Shoji Nishiyama
Kuzuhara Hiroyuki
Minowa
Shoji Nishiyama
Kuzuhara Hiroyuki
Application Number:
JP53000597A
Publication Date:
December 14, 2005
Filing Date:
February 26, 1997
Export Citation:
Assignee:
Meiji Seika Co., Ltd.
International Classes:
C07J71/00; A61K31/56; C07J53/00; C07J63/00; (IPC1-7): C07J71/00; A61K31/56; A61P1/16; C07J63/00
Attorney, Agent or Firm:
Kazuo Sato
Onodera Kyohiro
Konno Akio
Onodera Kyohiro
Konno Akio