PROCESS FOR THE PREPARATION OF 4-(4-ISOBUTYLPHENYL)-BUTYRALDEHYDE AND ITS USE IN THE PREPARATION OF (-)-4-(2-CHLOROPHENYL)-2-(2-(4-ISOBUTYL-PHENYL)-ETHYL)-6,9-DIMETHYL-6H-THIENO-(3,2-F)(1,2,4)-TRIAZOLO(4,3-A)-(1,4)DIAZEPIN

The invention relates to a simple, economical synthesis of 4-(4-isobutylphenyl)butyraldehyde and its use for the preparation of (-)-4-(2-chlorophenyl)-2-[2-(4-isobutylphenyl)ethyl]-6,9-dimethyl-6H-t hieno-[3,2-f][1,2,4]triazolo[4,3-a]-1,4-diazepine.

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Bibliographic Details
Main Authors HEUER, HUBERT, BIRKE, FRANZ, KNORR, HANSJOERG, BRANDT, KLAUS, STRANSKY, WERNER
Format Patent
LanguageEnglish
German
Published 22.04.1992
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
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:The invention relates to a simple, economical synthesis of 4-(4-isobutylphenyl)butyraldehyde and its use for the preparation of (-)-4-(2-chlorophenyl)-2-[2-(4-isobutylphenyl)ethyl]-6,9-dimethyl-6H-t hieno-[3,2-f][1,2,4]triazolo[4,3-a]-1,4-diazepine.
Bibliography:Application Number: EP19900119217