JPS52151152A - Preparation of 4-chloronaphthalic acid or its anhydride - Google Patents

Preparation of 4-chloronaphthalic acid or its anhydride

Info

Publication number
JPS52151152A
JPS52151152A JP6744976A JP6744976A JPS52151152A JP S52151152 A JPS52151152 A JP S52151152A JP 6744976 A JP6744976 A JP 6744976A JP 6744976 A JP6744976 A JP 6744976A JP S52151152 A JPS52151152 A JP S52151152A
Authority
JP
Japan
Prior art keywords
anhydride
preparation
chloronaphthalic
acid
chloronaphthalic acid
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
JP6744976A
Other languages
Japanese (ja)
Inventor
Yoshifumi Wakizaka
Noriaki Kamiya
Mitsukuni Sumiya
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.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku 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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Priority to JP6744976A priority Critical patent/JPS52151152A/en
Publication of JPS52151152A publication Critical patent/JPS52151152A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: 4-Chloronaphthalic acid or its anhydride, useful as raw materials of fluorecent whitener, dyes, pigments, etc., is prepared in high yield by the chlorination of naphthalic acid alkali salt at -2 - 10°C.
COPYRIGHT: (C)1977,JPO&Japio
JP6744976A 1976-06-09 1976-06-09 Preparation of 4-chloronaphthalic acid or its anhydride Pending JPS52151152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6744976A JPS52151152A (en) 1976-06-09 1976-06-09 Preparation of 4-chloronaphthalic acid or its anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6744976A JPS52151152A (en) 1976-06-09 1976-06-09 Preparation of 4-chloronaphthalic acid or its anhydride

Publications (1)

Publication Number Publication Date
JPS52151152A true JPS52151152A (en) 1977-12-15

Family

ID=13345234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6744976A Pending JPS52151152A (en) 1976-06-09 1976-06-09 Preparation of 4-chloronaphthalic acid or its anhydride

Country Status (1)

Country Link
JP (1) JPS52151152A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02237958A (en) * 1989-03-10 1990-09-20 Mitsubishi Kasei Corp Production of 4-chlorophthalic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02237958A (en) * 1989-03-10 1990-09-20 Mitsubishi Kasei Corp Production of 4-chlorophthalic acid

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