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Table 2 CH- and NH-insertion of meta-PAL dissolved in the different solvents after quantitative LC/MS (results are given as % peak area of insertion product vs. total peak area).

From: NO-independent regulatory site of direct sGC stimulators like YC-1 and BAY 41-2272

  NH-insertion CH-insertion
solvent
  irradiation wavelength irradiation wavelength
  254 nm 365 nm 254 nm 365 nm
diethylamine 87%, 91% 32%, 23% - -
dipropylamine 81%, 91% 21%, 18% - -
piperidine 61% 26% - -
toluene - - 49% -
ethylbenzole - - 8% 2%