Compounds of the formula wherein R is ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 are the same or different and are selected from the group consisting of hydrogen, chlorine, bromine, lower alkyl, lower alkoxy and naphthyl, provided that when R.sub.1 is lower alkyl, R.sub.2 and R.sub.3 are hydrogen, chlorine, bromine or lower alkoxy, or a pharmaceutically acceptable salt thereof, have anti-carrageenin edema activity, and are useful as anti-inflammatory agents and immuno modulators. They are produced by reacting an amide of the formula ##STR2## wherein R has the same meanings hereinabove, with N,N'-ethylene thiourea.
该化合物的公式为其中R为##STR1##其中R.sub.1、R.sub.2和R.sub.3相同或不同,选择自氢、
氯、
溴、较低的烷基、较低的烷氧基和
萘基的群体,前提是当R.sub.1为较低的烷基时,R.sub.2和R.sub.3为氢、
氯、
溴或较低的烷氧基,或其药学上可接受的盐,具有抗
海藻酸钠水肿活性,并且可用作抗炎剂和免疫调节剂。它们通过将该式的酰胺与N,N'-乙
硫脲反应而制得,其中R具有上述相同的含义。