PROCESS FOR PRODUCING 17,18-DIHYDRO-APOVINCAMINOL-3-COMMA DOWN COMMA AAOVE-4-COMMA DOWN COMMA ABOVE-5-COMMA DOWN COMMA AAOVE-TRIMETHOXY-BENZOATE AND ACID ADDITIONAL SALTS THEREOF

摘要

The invention relates to the new 17,18-dehydro-apovincaminol-3',4',5'-trimethoxy-benzoate of formula (I) IMAGE (1) and acid addition salts thereof. According to another aspect of the invention there is provided a process for the preparation of these new compounds. Still another aspect of the invention is a pharmaceutical composition for treating psoriasis.