| abstract |
The invention relates to acutumine and compounds thereof and also to compounds of formula (I) wherein Rl and R2 each represent a hydrogen atom or together form an additional bond, R3 represents a hydrogen atom or an alkoxy group, R3 represents a hydrogen or chlorine atom, R6 represents a hydrogen atom or an alkyl, alkylcarbonyl or amyl group, R7 and R10 each represent an alkoxy group, RIO represents an alkoxy group, R4, R8, R9, R11, R12, R13 and R14 are as defined in the description. |