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Mass spectrometric studies of cyclopropanes with electronegative substituents. Indication of methoxy group randomization in (±) dimethyl 2‐methoxy‐3,3‐dimethylcyclopropane‐1,1‐dicarboxylate
Author(s) -
Kolsaker Per,
Kvarsnes Arnfinn,
Storesund HansJohan
Publication year - 1986
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210210903
Subject(s) - chemistry , mass spectrometry , electron ionization , group (periodic table) , ionization , decomposition , ion , medicinal chemistry , carboxylate , mass spectrum , computational chemistry , stereochemistry , organic chemistry , chromatography
(±) 2‐Methoxy‐3,3‐dimethylcyclopropane‐1,1‐carboxylate was studied by electron impact and chemical ionization mass spectrometry. By using selective deuteration of the methyl groups, it was established that extensive randomization of the methoxy groups takes place prior to the decomposition of the molecular ion.