4-azido-2-iodo-3,5,6-trifluorophenylcarbonyl derivatives. A new class of functionalized and iodinated perfluorophenyl azide photolabels
作者:Sui Xiong Cai、John F.W. Keana
DOI:10.1016/s0040-4039(01)80580-3
日期:1989.1
Iodinated perfluorophenyl azide 4 and NHS ester 7 were synthesized. Photolysis of azide 4 in DEA/cyclohexane gave N-H insertion product 9 (24%). For photolabeling purposes, this constitutes a significant improvement over the behavior of non-fluorinated analogues.