2-[(2-methyl-1-imidazolyl)methyl]-1H-naphtho[2,1-b]thiopyran-1-one 、 盐酸 在
methanol diethyl ether 作用下,
以
甲醇 为溶剂,
以to give 64 mg of the title compound的产率得到hydron;2-[(2-methylimidazol-1-yl)methyl]benzo[f]thiochromen-1-one;chloride
A naphthothiopyranone derivative of general formula (I) or an acid addition salt thereof, wherein R¹ represents hydrogen or C₁ to C₄ alkyl. It has a more excellent serotonin 3 receptor antagonism than that of conventional compounds and various actions based thereon, e.g., an antiemetic action, an action of regulating gastrointestinal movement, and an antianxiety action.