methylphosphonic dichloride to methylphosphonyl difluoride, potassium fluoride, isopropanol, DMMP, trimethyl phosphite, thionyl chloride, PCl3, nitrogen atmosphere, vacuum distillation, NaOH, sealed ampoules, fume hood, 31P NMR, 60-80 degrees C, 1 atm, bleach, chromatography
