Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
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Filing date
Publication date
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority to JP128176ApriorityCriticalpatent/JPS5283887A/en
Publication of JPS5283887ApublicationCriticalpatent/JPS5283887A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PURPOSE: Heterocyclic compounds of formula I (R1 is H, alkyl, aralkyl; R2 is H, lower alkyl; ring A may be substituted by halogen, nitro, alkyl, alkoxy or CF3; Py is pyridyl; the 5-N may have O); for example, 8-bromo-2-ethyl-6(2-pyridyl)-4H-S-triazolo [1,5-a] [1,4] benzodiazepin-5N-oxide.