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The mechanism of formation of [C 4 H 9 O] + ions from isobutyl ethyl ether
Author(s) -
Audier H. E.,
Bouchoux G.,
Hoppilliard Y.,
Milliet A.
Publication year - 1982
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.1210170808
Subject(s) - chemistry , isomerization , ether , fragmentation (computing) , ion , deuterium , hydrogen , photochemistry , mass spectrometry , decomposition , reaction mechanism , medicinal chemistry , organic chemistry , catalysis , atomic physics , physics , chromatography , computer science , operating system
It is demonstrated by means of metastable ions characteristics, collisional activation, deuterium labelling and appearance energy measurements that ionized ethyl isobutyl ether and ethyl n ‐butyl ether isomerize prior to decomposition. The lower critical energy fragmentation gives [CH 3 CH 2 OCHCH 3 ] + ions. A mechanism of isomerization is proposed in which 1,4 hydrogen migration on the oxygen atom is coupled with rearrangement of the butyl chain.