Medium- and large-membered rings from bis(iminophosphoranes): An efficient preparation of cyclic carbodiimides
作者:Pedro Molina、Mateo Alajarín、Pilar Sánchez-Andrada
DOI:10.1016/s0040-4039(00)60701-3
日期:1993.8
The new cyclic carbodiimides 3 are synthetized from bis(iminophosphoranes) 2 and Boc2O in the presence of DMAP; similar results can be achieved from the N-Boc-protected bis(iminophosphoranes) and carbon dioxide.
在DMAP的存在下,由双(亚氨基膦酸酯)2和Boc 2 O合成了新的环状碳二亚胺3。由N-Boc保护的双(亚氨基正膦)和二氧化碳可以达到类似的结果。