Dihydrofuran cyclic tanshinones used in treating hyperammonemia and hepatic encephalopathy

摘要

The present invention relates to use of dihydrofuran cyclic tanshinones represented by the formula (I): chemistry chemdraw filechemistry mol file;wherein R₁ is selected from a group consisting of CH₂CH₂CH₂C(CH₃)₂, CHCHCHC(CH₃), CH₂CH₂CHC(CH₃), or CH₂CH₂CH₂C(CH₂), R₂ is H or C₁-C₃ alkyl etc. or a pharmaceutical composition containing the same manufacturing medicine in preventing or treatment of hypermmonemia caused by chronic hepatitis and hepatocirrhosis, including hepatic encephalopathy and subclinical hepatic encephalopathy caused by hypermmonemia etc.