JPS52151152A - Preparation of 4-chloronaphthalic acid or its anhydride - Google Patents
Preparation of 4-chloronaphthalic acid or its anhydrideInfo
- 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
Links
Landscapes
- 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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02237958A (en) * | 1989-03-10 | 1990-09-20 | Mitsubishi Kasei Corp | Production of 4-chlorophthalic acid |
-
1976
- 1976-06-09 JP JP6744976A patent/JPS52151152A/en active Pending
Cited By (1)
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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