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Oxygen equivalence in the fragment ion generated in the McLafferty rearrangement of aromatic esters

✍ Scribed by Robert H. Shapiro; Kenneth B. Tomer


Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
131 KB
Volume
2
Category
Article
ISSN
1076-5174

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Benzylic cleavage and McLafferty rearran
✍ R. MartΓ­nez Alvarez; A. Herrera FernΓ‘ndez; M. Chioua; P. Ramiro PΓ©rez; N. Villal πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 138 KB πŸ‘ 2 views

Several 5,6-dialkyl-2,4-diarylpyrimidines were prepared and their electron ionization (EI) mass spectra reported. The benzylic cleavage takes place easily together with an important McLafferty rearrangement. The involvement of the nitrogen atom appears to be important in the fragmentation of 5-methy