By courtesy of:
Ping He, Shi-Zheng Zhu*
Journal of Fluorine Chemistry 126 (2005) 825–830
and the very first paper by Zhu:
Synthesis of fluoroalkanesulfonyl azides and their reactions as fluoroalkanesulfonyl nitrene precursors
Shi-zheng zhu
Tetrahedron Letters 1992, 33, 6503-4