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Comparative study of the behaviour of 2-amidoketophenones and 1-aza(3,4: 5,6: 8,9)tribenzocyclonona-2,7-diones under electron impact

✍ Scribed by R. Erra-Balsells

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
206 KB
Volume
25
Category
Article
ISSN
1076-5174

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✦ Synopsis

The electron-impact mass spectra of several 2-amidoketophenones and 1-aza(3,4 : 5,6 : 8,9)tribenzocyclonona-2,7diones have been examined.

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Electron-impact Induced Fragmentation of
Electron-impact Induced Fragmentation of the Isomeric 2- and 4-Oxo-6,7,8,9-tetrahydro-pyrido[1,2-a]pyrimidines
✍ TΓΌnde E. TakΓ‘csy; JΓ³zsef TamΓ‘s (deceased); IstvΓ‘n Hermecz; Katalin KovΓ‘cs πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 144 KB πŸ‘ 1 views

The mass spectrometric behaviour of the isomeric 2-and 4-oxo-6,7,8,9-tetrahydro-pyrido[1,2-a]pyrimidines have been studied in detail under electron-impact induced ionization. Differences in the main fragmentation routes of the two isomeric compounds have been established by high resolution mass meas