JPS54115398A - 1-azaxanthone-3-carboxylic acid derivative and its preparation - Google Patents

1-azaxanthone-3-carboxylic acid derivative and its preparation

Info

Publication number
JPS54115398A
JPS54115398A JP10222178A JP10222178A JPS54115398A JP S54115398 A JPS54115398 A JP S54115398A JP 10222178 A JP10222178 A JP 10222178A JP 10222178 A JP10222178 A JP 10222178A JP S54115398 A JPS54115398 A JP S54115398A
Authority
JP
Japan
Prior art keywords
azaxanthone
carboxylic acid
acid derivative
formula
preparation
Prior art date
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.)
Granted
Application number
JP10222178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS633864B2 (enrdf_load_stackoverflow
Inventor
Akira Nohara
Hirosada Sugihara
Kiyoshi Ugawa
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
Priority claimed from US05/881,237 external-priority patent/US4143042A/en
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of JPS54115398A publication Critical patent/JPS54115398A/ja
Publication of JPS633864B2 publication Critical patent/JPS633864B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
JP10222178A 1978-02-27 1978-08-21 1-azaxanthone-3-carboxylic acid derivative and its preparation Granted JPS54115398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/881,237 US4143042A (en) 1977-03-08 1978-02-27 1-azaxanthone-3-carboxylic acids

Publications (2)

Publication Number Publication Date
JPS54115398A true JPS54115398A (en) 1979-09-07
JPS633864B2 JPS633864B2 (enrdf_load_stackoverflow) 1988-01-26

Family

ID=25378055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10222178A Granted JPS54115398A (en) 1978-02-27 1978-08-21 1-azaxanthone-3-carboxylic acid derivative and its preparation

Country Status (1)

Country Link
JP (1) JPS54115398A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728509A (en) * 1985-08-19 1988-03-01 Takeda Chemical Industries, Ltd. Aqueous liquid preparation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728509A (en) * 1985-08-19 1988-03-01 Takeda Chemical Industries, Ltd. Aqueous liquid preparation

Also Published As

Publication number Publication date
JPS633864B2 (enrdf_load_stackoverflow) 1988-01-26

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