Ammonia → HCID 86738800, compound

Participants

Reaction Steps

A mixture of 6.0 g (5.5 mmol) of 1,4-dihydroxy-5,8-bis[2-[(2-hydroxypropylamino)ethylamino]anthraquinone dihydrochloride (which was prepared according to the procedures in Example 32 of U.S. Pat. No. 4,197,249) and 60 ml of methanol may be treated with anhydrous ammonia according to the procedure of Example 1 to yield free base 301, 1,4-dihydroxy-5,8-bis[2-[(2-hydroxypropylamino)ethylamino]-anthraquinone.

Provenance & Evidence