The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 1980
Filed:
Oct. 18, 1978
John B Taylor, Down Ampney, Nr. Cirencester, GB;
Derek R Harrison, Swindon, GB;
Roussel Uclaf, Paris, FR;
Abstract
Novel 1,2-dihydro-6-phenyl-1H,4H-imidazo[1,2-a][1,4]-benzodiazepin-1-ones of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, halogen, nitro and trifluoromethyl, R.sub.1 is selected from the group consisting of hydrogen and halogen, R.sub.2 is selected from the group consisting of hydrogen and methyl and R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, hydroxyalkyl of 1 to 5 carbon atoms, aminoalkyl of 1 to 5 carbon atoms, mono-and di-alkylaminoalkyl with each alkyl having 1 to 5 carbon atoms, cycloalkyl of 3 to 8 carbon atoms and mono and di-nuclear aryl or R.sub.3 and R.sub.4 taken together with the nitrogen atom to which they are attached form a saturated heterocycle which may contain a second heteroatom optionally substituted with at least one member of the group consisting of alkyl of 1 to 5 carbon atoms, hydroxyalkyl of 1 to 5 carbon atoms, dialkylphosphinylalkyl with 1 to 5 carbon atoms in the alkyl groups, cycloalkylalkyl with 3 to 6 carbon atoms in the ring and 1 to 5 alkyl carbon atoms, alkenyl of 2 to 5 carbon atoms, phenyl and nitrogen heterocycles and their non-toxic, pharmaceutically acceptable acid addition salts having sedative, hypnotic, anxiolytic, tranquilizing, anticonvulsive and myorelaxant properties and their preparation.