除草剂虎威的标记合成

LABELING OF HERBICIDE FEMESAFEN

5-( 2-氯-4-三氧甲基 )苯氧基 )- N-(甲基磺酰基 ) - 2-硝基苯甲酰胺 (虎威 )的14 C标记合成经 6步完成。其放化收率为 1 8 1 5 % (以14 C 以苯甲酸计 ) ,放化纯度经薄板检测大于 99%。

5-[2-chroo-4-(trifluoromethyl) phenoxy]-N-(methyl sulphonyl) -2-niorobenzamide [femesafen] was labeled by six steps. Radio-chemical yield was 19 15%. TLC analysis of the final product showed that the radiochemical purity is not less than 99%.