| abstract |
A method for producing a xanthone compound having semaphorin inhibitory activity and an intermediate thereof are provided. [Solution] Formula (1): [Wherein R 1 is a hydrogen atom, formula (2): (In the formula, R 4 represents a substituted or unsubstituted C 1 -C 6 alkyl group, etc.) R 2 and R 3 are the same or different and each represents a substituted or unsubstituted C 1 -C 6 alkoxy group or the like. ] A compound represented by the formula (4): [Wherein, R 1 , R 2 and R 3 represent the same meaning as described above. ] The manufacturing method of a xanthone compound including the process of obtaining the compound represented by these. [Selection figure] None |