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Electron Impact Induced Loss of C-5/C-8 Substituents of 1,2,3,4-Tetrahydroisoquinolines, VI, Synthesis and Mass Spectrometric Fragmentation of Dihydroindole Derivatives

Knefeli, F., Mayer, K.K., Wiegrebe, Wolfgang, Schlunegger, U.P. and Lauber, R. (1990) Electron Impact Induced Loss of C-5/C-8 Substituents of 1,2,3,4-Tetrahydroisoquinolines, VI, Synthesis and Mass Spectrometric Fragmentation of Dihydroindole Derivatives. Archiv der Pharmazie 323, pp. 145-155.

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Abstract

The syntheses of the C-4 substituted dihydroindoles 25, 31 (scheme 7), and 36 (scheme 8) are described. - The CID MIKE spectrum in the 2. field free region (2. FFR) of m/z 146 from 25 is very similar to but not identical with that of m/z 146 from the C-5 substituted tetrahydroisoquinolines 3,6, 7, and 8 (scheme 2), so supporting our hypothesis of a rearrangement in M+. of ...

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Item type:Article
Date:1990
Institutions:Chemistry and Pharmacy > Institute of Pharmacy > Alumni or Retired Professors > Prof. Wiegrebe
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Item ID:15708
Owner only: item control page

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