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Heterocyclic studies—XXIV: Mass spectra of some pteridin-4(3H)-ones and 3-methoxypteridin-4(3H)-ones

✍ Scribed by Jim Clark; Ruth Maynard; C. Smith

Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
401 KB
Volume
5
Category
Article
ISSN
1076-5174

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A mass spectrometric identification and differentiation of pyrimidin-4(3H)-and -4(lH)-ones was carried out. NSubstitution at position 1 or 3 made the distinction of tbe two sets of compounds very easy because of their characteristic fragmentation pathways. Most interesting were the spectra of the N-