Disclosed are selected N,1-disubstituted hydrazinecarboxamides having the formula
wherein R1 is selected from the group consisting of alkyl containing from 1 to about 20 carbon atoms, aromatic containing from about 6 to about 12 carbon atoms, and cycloalkyl containing from about 5 to about 10 carbon atoms, and wherein R2 is selected from the group consisting of alkyl containing from 1 to about 20 carbon atoms and hydroxyalkyl containing from 2 to about 20 carbon atoms. These compounds have utility as antioxidants for a variety of organic compounds subject to oxidative degradation, including functional fluids such as petroleum fuels and lubricants. Selected hydrazinecarboxamides having the aforesaid formula are also novel compounds.
所公开的是精选的 N,1-二取代
肼羧酰胺,其式如下
其中 R1 选自含 1 至约 20 个碳原子的烷基、含约 6 至约 12 个碳原子的芳基和含约 5 至约 10 个碳原子的环烷基组成的组,R2 选自含 1 至约 20 个碳原子的烷基和含 2 至约 20 个碳原子的羟烷基组成的组。这些化合物可作为
抗氧化剂,用于各种易氧化降解的有机化合物,包括石油燃料和润滑油等功能性液体。具有上述式子的精选
肼羧酰胺也是新型化合物。