Abstract: Bis(methylenedioxy)biphenyl compounds represented by the formula ##STR1## wherein R is an alkyl group having 1 to 6 carbon atoms or a phenyl group, and R' is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, are disclosed. These compounds are useful as therapeutic agents for liver diseases.
Type:
Grant
Filed:
July 28, 1988
Date of Patent:
September 19, 1989
Assignees:
Taisho Pharmaceutical Co., Ltd., The Institute of Material Mederia Medica of Chinese Academy of Medical Sciences