BENZOTHIAZOLE COMPOUND, INTERMEDIATE, PREPARATION METHOD AND USE THEREOF

摘要

Disclosed is a benzothiazole compound as represented by formula (I), wherein X, Y, R1, R2 and Z' are as defined in the specification. Also disclosed are the preparation method, intermediate and uses of the compound. The benzothiazole compound of the present invention is a positron tomographic agent and can be used for the pre-diagnosis of senile dementia and the follow-up of drug efficacy.