JPS5423634A - Preparation of quinophthalone compounds - Google Patents

Preparation of quinophthalone compounds

Info

Publication number
JPS5423634A
JPS5423634A JP8844277A JP8844277A JPS5423634A JP S5423634 A JPS5423634 A JP S5423634A JP 8844277 A JP8844277 A JP 8844277A JP 8844277 A JP8844277 A JP 8844277A JP S5423634 A JPS5423634 A JP S5423634A
Authority
JP
Japan
Prior art keywords
preparation
quinophthalone compounds
compounds
quinophthalone
hydroxymethylcinchonic
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
JP8844277A
Other languages
Japanese (ja)
Other versions
JPS597736B2 (en
Inventor
Hiroshi Aiga
Michio Kawakami
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP8844277A priority Critical patent/JPS597736B2/en
Publication of JPS5423634A publication Critical patent/JPS5423634A/en
Publication of JPS597736B2 publication Critical patent/JPS597736B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To obtain the title high-purity and high-grade compounds in high yields, by reacting hydroxymethylcinchonic acid derivatives with arylpolycarboxylic acids, etc. in the presence of tetramethylene sulfone.
COPYRIGHT: (C)1979,JPO&Japio
JP8844277A 1977-07-25 1977-07-25 Method for producing quinophthalone compounds Expired JPS597736B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8844277A JPS597736B2 (en) 1977-07-25 1977-07-25 Method for producing quinophthalone compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8844277A JPS597736B2 (en) 1977-07-25 1977-07-25 Method for producing quinophthalone compounds

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12968482A Division JPS595623B2 (en) 1982-07-27 1982-07-27 Method for producing 4-bromo-3-hydroxyquinophthalone

Publications (2)

Publication Number Publication Date
JPS5423634A true JPS5423634A (en) 1979-02-22
JPS597736B2 JPS597736B2 (en) 1984-02-20

Family

ID=13942905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8844277A Expired JPS597736B2 (en) 1977-07-25 1977-07-25 Method for producing quinophthalone compounds

Country Status (1)

Country Link
JP (1) JPS597736B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128373A (en) * 1983-01-06 1984-07-24 Mitsubishi Chem Ind Ltd Preparation of quinophthalone compound

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128373A (en) * 1983-01-06 1984-07-24 Mitsubishi Chem Ind Ltd Preparation of quinophthalone compound

Also Published As

Publication number Publication date
JPS597736B2 (en) 1984-02-20

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