Hydrazidine; VI<sup>1</sup>: Synthese von<i>N</i>
<sup>1</sup>,<i>N</i>
<sup>2</sup>-Dimethylhydrazidinen und 1, 2-Dihydro-1,2-dimethyl-1,2,4,5-tetrazinen
作者:Hans Neunhoeffer、Ute Karafiat、Matthias Vey
DOI:10.1055/s-1992-26183
日期:——
Hydrazidines, VI. Synthesis of N1,N2-Dimethylhydrazidines and 1,2-Dihydro-1,2-dimethyl-1,2,4,5-tetrazines Starting with (thiobenzoylthio)acetic acids 1 N1,N2-dimethylbenzohydrazide hydrazones 5 were prepared. Cyclization of 5 with trimethyl orthobenzoate affords 1,2-dihydro-1,2-dimethyl-1,2,4,5-tetrazines 6.
肼类,第六部分。N1,N2-二甲基肼和1,2-二氢-1,2-二甲基-1,2,4,5-四嗪的合成,从(硫代苯甲酰硫代)乙酸开始,制备了N1,N2-二甲基苯并肼羰基脒5。5与三甲基原苯甲酸酯的环化反应得到1,2-二氢-1,2-二甲基-1,2,4,5-四嗪6。