申请人:Monsanto Company
公开号:US04228300A1
公开(公告)日:1980-10-14
Compounds having the formula ##STR1## wherein M is an alkali metal or ammonium, R.sub.1 and R.sub.2 are hydrogen, methyl or ethyl and R.sub.3 is hydrogen, methyl, ethyl or COOM are useful sequestrants and detergency builders. Lower alkyl esters and acids of such compounds are useful intermediates for their production.
具有公式##STR1##的化合物,其中M是碱金属或铵,R.sub.1和R.sub.2是氢,甲基或乙基,而R.sub.3是氢,甲基,乙基或COOM,是有用的螯合剂和洗涤剂增稠剂。这些化合物的低级烷基酯和酸是其生产的有用中间体。