ヒドロキシルアミン
HNO 2 + 2 HSO 3 − ⟶ [ N ( OH ) ( OSO 2 ) 2 ] 2 − + H 2 O ⟶ [ NH ( OH ) ( OSO 2 ) ] − + [ HSO 4 ] − {\displaystyle {\ce {HNO2\ + 2 HSO3^- ->\ [N(OH)(OSO2) 2]^{2-}\ + H2O ->\ [NH(OH)(OSO2)]^-\ + [HSO4]^-}}}
[ NH ( OH ) ( OSO 2 ) ] − + H 3 O + ⟶ [ NH 3 ( OH ) ] + + [ HSO 4 ] − {\displaystyle {\ce {[NH(OH)(OSO2)]^-\ + H3O^+ ->\ [NH3(OH)]^+\ + [HSO4]^-}}} (100 °C、1時間)
[ NH 3 ( OH ) ] Cl + NaOBu ⟶ NH 2 OH + NaCl + BuOH {\displaystyle {\ce {[NH3(OH)]Cl\ + NaOBu -> NH2OH\ + NaCl\ + BuOH}}}