| abstract |
(57) Abstract: [Purpose] To provide a antagonist in the novel 5-HT 3 receptor. [Structure] General formula: [In the formula, R 1 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a formula —NR 4 R 5 (in the formula, R 1 4 is a hydrogen atom, a lower alkyl group or a lower alkanoyl group; R 5 is a hydrogen atom, a lower alkyl group or a benzyl group), R 2 is a hydrogen atom or a lower alkyl group; R 3 is a hydrogen atom or a lower group Alkyl group; l Is an integer from 1 to 4; m is 1 or 2; n is 1 or 2; Is a single bond or a double bond], a non-toxic acid addition salt thereof or a hydrate thereof, a method for producing the same and a use thereof as a 5-HT 3 receptor antagonist. |