VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON 5H-DIBENZ[B,F]AZEPIN

5H-Dibenz[b,f]azepine of the formula is prepared by dehydrogenation of 10,11-di(hydro)-5H-dibenz[b,f]azepine of the formula in the presence of 1 or more noble metal catalysts and hydrogen acceptors and, if desired, solvents, the reaction being carried out in the melt or in 1 or more high-boiling pol...

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Main Authors BALOGH,PIROSKA,HU, HORVATH,SANDOR,HU, TIMAR,TIBOR,HU, KORODI,FERENC,HU, FEKETE,MIKLOS,HU, KONEGYI,IMRE,HU, SZABO,ZOLTAN,HU, JUHASZ,KAROLY,HU, FRANK,LASZLO,HU, TEREBES,LASZLO,HU, GALAMB,VILMOS,HU, TAMAS,LAJOS,HU, CZIAKY,ZOLTAN,HU, HORVATH,ANDRAS,HU
Format Patent
LanguageGerman
Published 26.09.1991
Edition5
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:5H-Dibenz[b,f]azepine of the formula is prepared by dehydrogenation of 10,11-di(hydro)-5H-dibenz[b,f]azepine of the formula in the presence of 1 or more noble metal catalysts and hydrogen acceptors and, if desired, solvents, the reaction being carried out in the melt or in 1 or more high-boiling polar protic solvents or a mixture of 1 or more high-boiling polar protic solvents and 1 or more apolar solvents having a higher or higher boiling point than the former, at temperatures of not more than 300 DEG C and, if the hydrogen acceptor or hydrogen acceptors is or are used, in amounts of 0.35 to 2 mol per mol of 10,11-di(hydro)-5H-dibenz[b,f]-azepine of the formula II.
Bibliography:Application Number: DD19900340402