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Electron impact mass spectra of isobenzofurans, isonaphthofurans and some of their Diels–Alder adducts

✍ Scribed by Peter W. Dibble; Russell Rodrigo

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
582 KB
Volume
23
Category
Article
ISSN
1076-5174

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✍ Roberto Martínez; Antonio Herrera; Nazario Martín; Beatriz González; Beatriz Ill 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 79 KB 👁 2 views

The electron impact mass spectra of new compounds, 2,4-dialkyl and 2,4-diaryl substituted-5,6-dihydrocyclobuta[d]pyrimidines, are reported. The main fragmentation pathway leads to the formation of cyclobutadiene [C 4 H 4 ] Á m/z = 52 as the base peak. The FAB spectra of the adducts of cyclobutapyrim