Iv. Alabugin et al., SO3-MEDIATED REACTION OF PHENYLSELENENYLAMIDE WITH 1,2-ALKADIENYLPHOSPHONATES, Russian chemical bulletin, 45(3), 1996, pp. 739-740
SO3-Mediated reaction of N,N-diethylphenylselenenylamide with 1,2-alka
dienyl-phosphonates under conditions of generation of weak electrophil
ic species results in the formation of cyclization products involving
phosphoryl oxygen.