The title compounds are prepared from the reaction of o-aminoaryl ketones with hydrazides. Their electron impact mass spectra are reported. In addition to the molecular ion, characteristic peaks appear at values corresponding to the [M -NHJ, [M -NHCOX]' and [M -COX]' ions. Recently, we reported the
Electron impact mass spectra of hydrazones of o-hydroxy aryl ketones
β Scribed by Antigoni Kotali; Alkistis Vassiliou
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 159 KB
- Volume
- 25
- Category
- Article
- ISSN
- 1076-5174
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## Abstract The behaviour of some enamineβesters, βketones and βnitriles under electron impact has been investigated by means of lowβresolution mass Spectrometry.
Phenyl 2,3-unsaturated-O-glycosides are very interesting starting materials for the synthesis of a large variety of 2,3unsaturated-C-glycosides.' Mass spectral fragmentations of a wide variety of acetylated glycosides have been reported2-\* and some information on the relative differences in the ion
Numbers in parentheses indicate percentage relative abundances. bAbundance of the most intense isotopic peak. 2c 2d 28