N-4-[2-(Pyrazole-1-carbonamide)-ethyl]-benzenesulphonyl}-ureas of the formula 1 ##STR1## wherein R, R.sub.2 are a hydrogen atom or lower alkyl of up to 4 carbon atoms, R.sub.1 is a hydrogen, chlorine or lower alkyl atom containing up to 4 carbon atoms and R.sub.3 is an alkyl of 2 to 5 carbon atoms or cycloalkyl of 5 to 6 carbon atoms, and their method of preparation is described, said compounds possessing biological properties, capable of decreasing the sugar level in blood.
化学式为1的N-4-[2-(
吡唑-1-羰基)-乙基]-苯磺酰}-
脲,其中R、R2为氢原子或碳原子数不超过4的低级烷基,R1为含有不超过4个碳原子的氢、
氯或低级烷基原子,R3为2至5个碳原子的烷基或5至6个碳原子的环烷基。描述了它们的制备方法,这些化合物具有
生物学性质,能够降低血糖
水平。