C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/210, 260/239
C07D 495/14 (2006.01) A61K 31/55 (2006.01) C07C 45/41 (2006.01) C07C 45/54 (2006.01) C07C 47/228 (2006.01)
Patent
CA 2027076
Abstract: 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-thieno[3,2-f]- [1,2,4]triazolo[4,3-a][1,4]diazepine.
Birke Franz
Brandt Klaus
Heuer Hubert
Knorr Hansjorg
Stransky Werner
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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