Mass spectrometric study of isatins II. N-propyl(allyl,propargyl)isatins |
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Authors: | Zhungietu G I Chmykhova N I Rekhter M A Khariton Kh Sh Oloi B T Dormidontova N P |
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Institution: | (1) Institute of Chemistry, Academy of Sciences of the Moldavian SSR, 277028 Kishinev |
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Abstract: | The mass spectra of N-propyl- (I), N-allyl- (IV), and N-propargylisatin (VII) and their 5-methyl (II, V, VIII) and 7-methyl (III, VI, and IX) derivatives were recorded. It is shown that a portion of the M-2CO]+ ions in the mass spectra of N-propargylisatins undergo rearrangement to give ions with a quinoline structure. A scheme for the fragmentation of the investigated compounds is presented. The mass spectra of the 5- and 7-methyl derivatives are compared.See 1] for communication I.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 639–641, May, 1977. |
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