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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority to JP128576ApriorityCriticalpatent/JPS5283861A/en
Publication of JPS5283861ApublicationCriticalpatent/JPS5283861A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Abstract
PURPOSE: Heterocyclic compounds of formula I [R1 is carboxyl which may esterified or amidated; R2, R3 are H, lower alkyl, or may form alkylene in combination; R4 is (substd.) phenyl; R is H, alkyl]; for example, 4-methoxy-6-phenyl4H-thieno[3,2-f]-S-triazolo[1,5-a]-[1,4] diazepin-2-carboxamide.