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Die massenspektrometrische Retro-Diels-Alder-Reaktion: 1,2,3,4-Tetrahydrocarbazol. 30. Mitteilung über massenspektrometrische Untersuchungen

✍ Scribed by Gisela Neukomm; Manfred Hesse

Publisher
John Wiley and Sons
Year
1977
Tongue
German
Weight
351 KB
Volume
60
Category
Article
ISSN
0018-019X

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✦ Synopsis

The mass spectral retro Diels‐Alder‐reaction: 1,2,3,4‐tetrahydrocarbazole

1,2,3,4‐Tetrahydrocarbazole undergoes a retro Diels‐Alder‐reaction under electron impact. C(2) and C(3) are eliminated as ethylene. This is shown by measuring the deuterated derivatives 1a, 1b and 1c. Furthermore the oxo‐1,2,3,4‐tetrahydrocarbazole derivatives 3 and 4 are investigated in respect to the mass spectral retro Diels‐Alder reaction too.

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Beitrag zur massenspektrometrischen retro-Diels-Alder-Reaktion: 1,2,3,4-Tetrahydrophenanthren. 35. Mitteilung über massenspektrometrische Untersuchungen
✍ Sonja Huggenberg; Manfred Hesse 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 452 KB

**Contribution to the Mass Spectral __retro‐Diels‐Alder__ Reaction: 1,2,3,4‐Tetrahydrophenanthrene** [1,4‐^13^C]‐1,2,3,4‐Tetrahydrophenanthrene **(1)** was synthesized starting from [1,4‐^13^C]‐succinic acid. The mass spectral behavior (EI./MS., 70eV) of **1** is very similar to that of tetraline [