4-(Boc-amino)-1Н-1,2,3-triazole-5-carboxylic acids –convenient reagents for the synthesis of 1,4,6,7-tetrahydro[1,2,3]- triazolo[4,5-е][1,4]diazepine-5,8-diones
作者:Natalia А. Syrota、Sergiy V. Kemskiy、Andriy V. Bol’but、Mikhailo V. Vovk
DOI:10.1007/s10593-019-02583-6
日期:2019.11
The corresponding ethyl 5-carbonylglycinates were synthesized by condensation of 4-(Boc-amino)-1,2,3-triazole-5-carboxylic acids with ethyl glycinate hydrochloride. They were intramolecularly cyclized with the selective formation of 1,4,6,7-tetrahydro[1,2,3]triazolo[4,5-e]- [1,4]diazepine-5,8-diones.
通过将4-(Boc-氨基)-1,2,3-三唑-5-羧酸与甘氨酸乙酯盐酸盐缩合来合成相应的5-羰基甘氨酸乙酯。它们被分子内环化,选择性地形成了1,4,6,7-四氢[1,2,3]三唑并[4,5- e ]-[1,4]二氮杂5,8-二酮。