申请人:Minnesota Mining and Manufacturing Company
公开号:US04074051A1
公开(公告)日:1978-02-14
3-Pyrazolidinone compounds having a solubility of at least 12 grams/liter in an aqueous medium of pH 9 of the formula: ##STR1## wherein R is a mononuclear phenyl group having substituents in the 3, 4, or 5 positions with a total of no more than 4 non-metallic atoms with an atomic number greater than 1 and the total mass of the substituents being less than that of benzene, Q is an aqueous-solubilizing group of the formula: ##STR2## wherein R.sup.1 and R.sup.2 are independently a hydrogen, or alkyl group or together with the included nitrogen form a 5 or 6 membered heterocyclic ring composed of carbon, nitrogen and no more than one atom from the group of sulfur and oxygen, the total number of atoms in R.sup.1 and R.sup.2 having an atomic number greater than 1 being equal to or less than 6.
3-吡唑烷酮化合物在pH为9的水性介质中的溶解度至少为每升12克,其化学式如下:其中R是一个单核苯基团,在3、4或5位置具有不超过4个非金属原子,其原子序数大于1,且取代基的总质量小于苯的质量,Q是一个具有以下化学式的水性增溶基团:其中R1和R2分别是氢、烷基基团或与所包括的氮一起形成由碳、氮组成的5或6元杂环环,其中最多有一个硫和氧原子,R1和R2中原子序数大于1的总数等于或小于6。