Producing methylimino-dialkylacetamide compound, useful to extract e.g. tellurium in radioactive waste, comprises mixing methyliminodiacetic acid and methylimidazole in dichloromethane, adding p-toluenesulfonyl chloride and adding amine

摘要

Producing methylimino-N,N-dialkylacetamide compound (I) comprises mixing methyliminodiacetic acid and methylimidazole in anhydrous dichloromethane, adding p-toluenesulfonyl chloride in an ice bath to obtain an imidazole compound reacted with the methyliminodiacetic acid, as an intermediate, and adding a secondary amine to the intermediate compound. Producing methylimino-N,N-dialkylacetamide compound of formula (I) (CH 3-N(CH 2CON(R) 2) 2) (I) comprises mixing methyliminodiacetic acid and methylimidazole in anhydrous dichloromethane, adding p-toluenesulfonyl chloride in an ice bath to obtain an imidazole compound reacted with the methyliminodiacetic acid, as an intermediate, and adding a secondary amine to the intermediate compound. R : 2-12C-alkyl.