反应详情

By the procedure of Example 18, reacting 3-[(2- aminoethyl)thiomethyl]pyrazole with dimethyl-N-cyanoimido dithiocarbonate and reacting the resulting N-cyano-N'- [2-(3-pyrazolylmethylthio)ethyl]-S-methylisothiourea with ammoniacal ethanol gives N-cyano-N'-[2-(3-pyrazolylmethylthio) ethyl]guanidine.