C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/240.3
C07D 243/24 (2006.01)
Patent
CA 1100960
ABSTRACT OF THE DISCLOSURE Novel 3-fluoro-2,3-dihydro-1H-1,4-benzodiazepin-2-ones of the formula I Image (I) wherein R1 is H or alkyl of 1-4 carbon atoms; R2 is phenyl or mono- halophenyl; R3 is F, Cl, Br or NO2, and physiologically acceptable acid addition salts thereof are provided herein. These compounds are central nervous system depressants. They may be prepared by certain specified reactions using, as an essential starting material, certain specified bezodiazepine derivatives.
242041
Dolce Giuliano
Marx Dieter
Muller-Calgan Helmut
Poetsch Eike
Strehlow Wighard
Marcus & Associates
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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