抄録
A study of[M-C2H2O]+, [M-C2H2O-HCN]+, and[M-C2H2O-HCN-H]+ ions in the mass spectra of deuterated derivatives of acetanilide, o-, m-and p-chloroacetanilide has confirmed that elimination of ketene from the molecular ions of these compounds proceeds via a 4-membered transition state.
