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Mass spectra of negative ions of nitrones and isomeric O-ethers of oximes

✍ Scribed by R. G. Kostyanovskii; A. P. Pleshkova; V. N. Voznesenskii; V. I. Khovstenko; A. Sh. Sultanov; V. K. Mavrodiev; A. I. Mishchenko; A. V. Prosyanik

Book ID
112442234
Publisher
Springer
Year
1979
Tongue
English
Weight
234 KB
Volume
28
Category
Article
ISSN
1573-9171

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extract was dried over CaCI 2 and evaporated in vacuo. The residue was purified by column chromatography [silica gel, benzene--ethyl acetate (5:1)] and recrystallized from benzene--heptane to give 1.98 g (48%) of III.