Patent · US Expired

5-Aryl-1H-1,5-benzodiazepine-2,4-diones

USRE28972E · kind E · reissue

9Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1975
Grant dateSep 21, 1976
Priority date
Expiry dateDec 4, 1995

Classification

  • Technology area (CPC —)General

Abstract

5-Aryl-1H-1,5-benzodiazepine-2,4-diones of a formula selected from the group consisting of ##SPC1## Wherein ##SPC2## EQU -- A -- X wherein R.sub.1 is allyl, methylallyl, dimethylallyl, chloroallyl, cyclohexyl, cycloalkylmethyl, cycloalkenylmethyl of 4 to 7 carbon atoms, phenyl, tolyl, xylyl, methoxyphenyl, dimethoxyphenyl, halophenyl, phenylalkyl of 7 to 8 carbon atoms, pyridyl or EQU --A --X where A is straight or branched alkylene of 1 to 4 carbon atoms, and PA1 X is hydroxyl, alkoxy, acyloxy, dialkylamino of 2 to 4 carbon atoms, or a 5- to 6-membered nitrogen-containing heterocyclic ring linked to A through a ring nitrogen atom, PA1 R.sub.2 is hydrogen or methyl, PA1 R.sub.3 is naphthyl, pyrimidyl, thienyl, pyridyl, methylpyridyl or halopyridyl, PA1 R.sub.4 is hydrogen, methyl, methoxy, trifluoromethyl, cyano, halogen, lower alkanoyl or (lower alkoxy of 1 to 2 carbon atoms)-carbonyl, PA1 R.sub.5 is hydrogen, methyl, ethyl, methoxy, trifluoromethyl, cyano, nitro, halogen, lower alkanoyl or lower alkoxy-carbonyl, PA1 R.sub.6 is hydrogen, methyl, ethyl, methoxy or halogen, PA1 R.sub.7 is cyano.[.,.]. .Iadd.or .Iaddend.lower alkanoyl .[.or lower alkoxycarbonyl.]., PA1 R.sub.8 is cya…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.