C  (/J  ~’°  0  \0  ---..)  \0  ---..)  .......  to  N  N  Ul  ~  N  Ul  .i;...  TABLE  17-continued  COM- POUND NMR  I-AZ  lH-NMR (400 MHz,  DMSO-d6):  I,  (ppm) - 8.42 (m, 4H,ArH),  8.1 7 ( d, 2H, ArH),  7. 78-7.91 (m, 4H,  ArH), 7.23 (d, 2H,  ArH), 5.26 (s, 4H,  CH2), 4.61 (dt, 4H,  CH2CF2), 3.75-4.19  (m, 14H, SCH2  +  OCH3), 2.29-2.65 (m,  16H, CH2CH2  +  SCH2CH2), 1.72 (s,  6H, CH3), 1.66 (s,  6H,CH3).  19F-NMR (376 MHz,  DMSO-d6):  I,  (ppm) - -111.4.  CATION  0)0"  0  ~  ~  6  0)0’  0  ~  ~  6  PRODUCT  q,  ~N=NL  ,?  ~  6N  6N  ~  ~o  o----._  0  /  \  0  O3SF2C  CF2SO3  0)0’  0  ~  ~  6 