Tropisetron Hydrochloride was synthesized from 1H-indol-3-carboxylic acid by chloride acetylation and condensation with Tropic alcohol.

• 摘要以3-吲哚甲酸为起始原料，经氯化亚砜酰氯化、与托品醇缩合合成了托烷司琼盐酸盐。