Diaziridine ring expansion in 6-aryl-1,5-diazabicyclo[3.1.0]hexanes on treatment with nitriles assisted by ionic liquids
作者:Yuliya S. Syroeshkina、Vladimir V. Kuznetsov、Marina I. Struchkova、Margarita A. Epishina、Nina N. Makhova
DOI:10.1016/j.mencom.2008.07.013
日期:2008.7
The ionic-liquids-assisted insertion of activated nitriles into the diaziridine ring of 6-aryl- 1,5-diazabicyclo[3.1.0]hexanes catalysed with BF3 center dot Et2O provides a simple method for the preparation of 1-aryl-6,7-dihydro-1H,5H-pyrazolo[1,2-a][1,2,4]triazoles.