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On the CO elimination from [M – CH3]+ ions in substituted phenyl methyl ethers

✍ Scribed by Helena Florêncio; Wigger Heerma; Peter C. Vijfhuizen

Publisher: John Wiley and Sons
Year: 1978
Tongue: English
Weight: 280 KB
Volume: 13
Category: Article
ISSN: 1076-5174
DOI: 10.1002/oms.1210131214

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✦ Synopsis

Abstract

It was inferred from the collisional activation spectra that CO loss from [M – CH~3~]^+^ ions generated from o‐,m‐ and p‐cyanoanisole yields a common ion, presumably the cyanocyclopentadienyl cation. A similar product ion is found to be generated in the three dimethoxybenzene isomers. In case of o‐dimethoxybenzene loss of CO was also found to occur via an important additional route, which leads to the formation of protonated phenol.

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