By reduction of 3-aryl(heteryl)-1-phenyl-4-azidomethyl-pyrazoles in the presence of Raney nickel or by hydrazinolysis of N-[3-aryl(heteryl)-1-phenyl-4-pyrazolylmethyl]phthalimides 4-pyrazolylmethylamines were obtained that in reaction with bis(trichloromethyl) carbonate afforded 3-aryl-(heteryl)-1-phenyl-4-pyrazolylmethyl isocyanates, and with carbon disulfide furnished 3-aryl-(heteryl)-1-phenyl-4-pyrazolylmethyl isothiocyanates.
在雷尼
镍存在下,通过还原 3-芳基(杂基)-1-苯基-4-
叠氮基甲基
吡唑,或通过
肼解 N-[3-芳基(杂基)-1-苯基-4-
吡唑基甲基]邻苯二甲
酰亚胺,得到 4-
吡唑基甲基胺,与
碳酸二(三
氯甲基)酯反应,得到 3-芳基-(杂基)-1-苯基-4-
吡唑基甲基
异氰酸酯、与
二硫化碳反应可得到 3-芳基-(杂)-1-苯基-4-
吡唑甲基
异氰酸酯。