The analytical reagent Nitron is a mesoionic compound whose structure consists of a cationic triazolium unit with an anionic PhN substituent. We provide clear evidence for the existence of a singlet diaminocarbene tautomer whose structure is composed of a 1,2,4-triazol-5-ylidene unit bearing an NHPh substituent.
分析试剂Nitron是一种介离子化合物,其结构由带有阴离子PhN取代基的阳离子三唑鎓单元组成。我们提供了明确的证据证明单线态二
氨基碳烯互变异构体的存在,其结构由带有 NHPh 取代基的
1,2,4-三唑-5-亚基单元组成。