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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Skeletal-rearrangement fragments in the mass spectra of β-thiopropionic acid derivatives

JH Bowie, DB Cobb, L Dalgaard, JO Madsen and S Lawesson

Australian Journal of Chemistry 22(6) 1207 - 1217
Published: 1969

Abstract

The mass spectra of S-alkyl-β-thiopropionic acids contain skeletal- rearrangement ions which arise by hydroxyl migration to a carbonium-ion centre followed by elimination of a neutral molecule (e.g. ketene or formaldehyde). In contrast, those of methyl S-alkyl-β-thiopropionates contain peaks which are formed by methoxyl migration to sulphur, followed by loss of ketene.

https://doi.org/10.1071/CH9691207

© CSIRO 1969

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