Selenoureas are obtained by a novel three-component condensation reaction from metallic selenium, triethyl orthoformate and a primary or secondary amine. The reaction is carried out as solvent-free one pot-procedure at 180–190°C under inert gas with a reaction time of 8 h. The reaction was tested for piperidine, isopropylamine, N,N′-dimethylpropylenediamine (Me-NH-CH2-CH2-CH2-NH-Me) and N,N′-disubstituted
通过新型的三组分缩合反应,从
金属
硒,
原甲酸三乙酯和
伯胺或仲胺获得
硒代
脲。该反应在惰性气体下于180–190°C下以无溶剂的一锅法进行,反应时间为8小时。测试反应中的
哌啶,
异丙胺,N,N'-
二甲基丙二胺(Me-NH-CH 2 -CH 2 -CH 2 -CH 2 -NH-Me)和N,N'-二取代的
乙二胺(R-NH-CH 2 -CH 2 -NH-R,R = Me,Et,i Pr,t Bu,Ph)。