Exo-3',4'-0-benzylidene-3-demethylchartreusin and its salts.

摘要

Exo-3 min ,4 min -O-benzylidene-3 sec -dimethylchartreusin of formula I, (exo-BDMC) or its salts and 3 sec -demethylchartreusin of formula II, (3 sec -#SHYDMC) or its salts are provided according to the present invention. Exo-BDMC and its salts are useful for antitumorous agents and antibacterial agents. 3 sec -DMC and its salts are useful as starting materials for producing exo-BDMC. <CHEM> <CHEM> f