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Mass spectra of 4-substituted-1,2,6-trimethyl-3,5-diethoxycarbonyl-1,4-dihydropyridines

✍ Scribed by E. L. Esmans; R. A. Dommisse; F. C. Alderweireldt


Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
198 KB
Volume
10
Category
Article
ISSN
1076-5174

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Electron-impact mass spectra of substitu
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Fragmentation pathways of the title compounds under electron impact were compared to those of their (1aryl)substituted analogs reported earlier. The main fragmentation route of the M Á ions is the sulphamide N-S bond cleavage leading to [M Γ€ ArSO 2 ] ions. No loss of the alkyl substituents from the