1990
DOI: 10.1002/9780470772270.ch5
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Mass spectra of sulfinic acids, esters and derivatives

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Cited by 8 publications
(8 citation statements)
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“…One primary electron impact (EI + ) fragmentation (Scheme ) of (4‐substituted phenyl)‐(4′‐methylphenacyl) sulfones is the loss of SO 2 (cf. ion A +· ) which is commonly found for the sulfone structures as well as for the rearranged sulfinate ester forms 2,. 4 The relative abundance of the [M − SO 2 ] +· ions (as compared to the M +· ions) is the smallest for the electron‐donating substituents OMe, NHAc and OPh, which all have rather negative Taft σ p + values (−0.78, −0.60 and −0.50, respectively) 11.…”
Section: Resultsmentioning
confidence: 88%
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“…One primary electron impact (EI + ) fragmentation (Scheme ) of (4‐substituted phenyl)‐(4′‐methylphenacyl) sulfones is the loss of SO 2 (cf. ion A +· ) which is commonly found for the sulfone structures as well as for the rearranged sulfinate ester forms 2,. 4 The relative abundance of the [M − SO 2 ] +· ions (as compared to the M +· ions) is the smallest for the electron‐donating substituents OMe, NHAc and OPh, which all have rather negative Taft σ p + values (−0.78, −0.60 and −0.50, respectively) 11.…”
Section: Resultsmentioning
confidence: 88%
“…Based on the introduction and further citations in Refs 2 and 4 it can be postulated that ion B + can only be formed from the sulfone structure (M o +· ), C + from the ..CH 2 OS(=O).. (M 1 +· ) type sulfinate ester and D +· from the other possible sulfinate ester structure (M 2 +· ) via hydrogen transfer. By comparing the relative abundances of these ions we can make a rough estimate of the relative contribution of the various molecular ion species to the primary fragmentations (Table 4).…”
Section: Resultsmentioning
confidence: 99%
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“…Table 2). This type of fragmentation is established and well known from the EI mass spectra of sulfoxides and sulfones 55, 56…”
Section: Resultsmentioning
confidence: 91%