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Generated: December 14, 2017

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Details for Patent: 3,987,052

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Summary for Patent: 3,987,052

Title: 6-Phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepines
Abstract:6-Phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepines of the formula (IV): ##SPC1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms, inclusive, phenyl, benzyl and -COOR' in which R' is alkyl of 1 to 4 carbon atoms, inclusive; wherein R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 3 carbon atoms, inclusive; and wherein R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms, inclusive, halogen, nitro, cyano, trifluoromethyl, and alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkanoylamino and dialkylamino in which the carbon chain moieties are of 1 to 3 carbon atoms, inclusive, are produced by condensing a 1,3-dihydro-5-phenyl-2H-1,4-benzodiazepine-2-thione of the formula (I): ##SPC2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are defined as above, with an organic acid hydrazide of the formula: ##EQU1## wherein R is defined as above. The new products of formula IV including their pharmacologically acceptable acid addition salts are useful as sedatives, tranquilizers and muscle relaxants in mammals and birds.
Inventor(s): Hester, Jr.; Jackson B. (Kalamazoo, MI)
Assignee: The Upjohn Company (Kalamazoo, MI)
Application Number:04/872,394
Patent Claim Types:
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International Patent Family for Patent: 3,987,052

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia490626► Subscribe
Australia491139► Subscribe
Belgium747493► Subscribe
Belgium779988► Subscribe
Brazil7017488► Subscribe
Switzerland535788► Subscribe
Switzerland548408► Subscribe
Switzerland549040► Subscribe
Switzerland549041► Subscribe
Germany2012190► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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