JPS5524101A - New quinolopyran derivative and antiallergic remedy for asthma - Google Patents

New quinolopyran derivative and antiallergic remedy for asthma

Info

Publication number
JPS5524101A
JPS5524101A JP9583678A JP9583678A JPS5524101A JP S5524101 A JPS5524101 A JP S5524101A JP 9583678 A JP9583678 A JP 9583678A JP 9583678 A JP9583678 A JP 9583678A JP S5524101 A JPS5524101 A JP S5524101A
Authority
JP
Japan
Prior art keywords
quinolopyran
antiallergic
remedy
asthma
methyl
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.)
Pending
Application number
JP9583678A
Other languages
Japanese (ja)
Inventor
Yasuhiro Morinaka
Kazuo Takahashi
Hidetatsu Kataoka
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.)
Mitsubishi Yuka Pharmaceutical Co Ltd
Original Assignee
Mitsubishi Yuka Pharmaceutical Co 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 Mitsubishi Yuka Pharmaceutical Co Ltd filed Critical Mitsubishi Yuka Pharmaceutical Co Ltd
Priority to JP9583678A priority Critical patent/JPS5524101A/en
Publication of JPS5524101A publication Critical patent/JPS5524101A/en
Pending legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

NEW MATERIAL:A quinolopyran-4-one-2-carboxylic acid derivative I (R1, R2 and R3 are H, 1W5C alkyl, 1W5C alkoxy, halogen, 2W6C alkoxycarbonyl, 6W10C aryl or two of the R1W3 may form a 1W3C alkylenedioxy) or its tautomer, N-methyl- glucamine salt I'.
EXAMPLE: 9-Methyl-5-hydroxyquinolo (4,3-b)pyran-4-one-2-carboxylic acid N- methyl-glucamine salt.
USE: Antiallergic remedy for asthma. It has remarkably high solubility in water, good medical efficacy and reduced toxicity.
PREPARATION: The free acid II is suspended in water and mixed with N-methylglucamine. If desired, the solution is concentrated and an organic solvent is added to deposit the salt I.
COPYRIGHT: (C)1980,JPO&Japio
JP9583678A 1978-08-08 1978-08-08 New quinolopyran derivative and antiallergic remedy for asthma Pending JPS5524101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9583678A JPS5524101A (en) 1978-08-08 1978-08-08 New quinolopyran derivative and antiallergic remedy for asthma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9583678A JPS5524101A (en) 1978-08-08 1978-08-08 New quinolopyran derivative and antiallergic remedy for asthma

Publications (1)

Publication Number Publication Date
JPS5524101A true JPS5524101A (en) 1980-02-21

Family

ID=14148460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9583678A Pending JPS5524101A (en) 1978-08-08 1978-08-08 New quinolopyran derivative and antiallergic remedy for asthma

Country Status (1)

Country Link
JP (1) JPS5524101A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007244279A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus for dissolving milk substitute
JP2007244281A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus for dissolving milk substitute
JP2007244280A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus for dissolving milk substitute
JP2007244282A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus dissolving milk substitute

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49125513A (en) * 1973-03-28 1974-12-02
JPS523818A (en) * 1975-06-26 1977-01-12 Hoffmann La Roche Salt of penicillanic acid
JPS52109000A (en) * 1976-03-05 1977-09-12 Mitsubishi Yuka Yakuhin Kk Quinolopyranee44onee22 carboxylate derivatives and medicine for allergic asthma

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49125513A (en) * 1973-03-28 1974-12-02
JPS523818A (en) * 1975-06-26 1977-01-12 Hoffmann La Roche Salt of penicillanic acid
JPS52109000A (en) * 1976-03-05 1977-09-12 Mitsubishi Yuka Yakuhin Kk Quinolopyranee44onee22 carboxylate derivatives and medicine for allergic asthma

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007244279A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus for dissolving milk substitute
JP2007244281A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus for dissolving milk substitute
JP2007244280A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus for dissolving milk substitute
JP2007244282A (en) * 2006-03-16 2007-09-27 Shizuoka Seiki Co Ltd Apparatus dissolving milk substitute

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