A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.
以水

,方
与脲及其衍生物顺利
生脱水缩合,合成了一类方

胺化合物——氨甲
类氮氧方
3。
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