Die Isomerisierung und Dehydrierung von 5‐Oxy‐benz(cd)indolin
- 1 August 1952
- journal article
- allgemeine und-physikalische-chemie
- Published by Wiley in Helvetica Chimica Acta
- Vol. 35 (6) , 2095-2105
- https://doi.org/10.1002/hlca.19520350640
Abstract
Isomerisation and dehydrogenation of 5‐hydroxy‐benz(ed)‐indoline (I) over a palladium catalyst have been studied systematically. In the absence of pre‐adsorbed hydrogen, dehydrogenation to 5‐keto‐1,5‐dihydro‐benz(ed)indole (IV) occurs. In the presence of hydrogen or a hydrogen donor such as tetraline, isomerisation to 5‐keto‐1,3,4,5‐tetrahydro‐benz(ed)indole (II) predominates.Keywords
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