JPH0468301B2 - - Google Patents

Info

Publication number
JPH0468301B2
JPH0468301B2 JP58059945A JP5994583A JPH0468301B2 JP H0468301 B2 JPH0468301 B2 JP H0468301B2 JP 58059945 A JP58059945 A JP 58059945A JP 5994583 A JP5994583 A JP 5994583A JP H0468301 B2 JPH0468301 B2 JP H0468301B2
Authority
JP
Japan
Prior art keywords
dhna
crude
aqueous solution
salt
alkali metal
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.)
Expired - Lifetime
Application number
JP58059945A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59186942A (ja
Inventor
Hiroyuki Suganuma
Kozo Bando
Kazuaki Sakai
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.)
Kawasaki Kasei Chemicals Ltd
Original Assignee
Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals Ltd filed Critical Kawasaki Kasei Chemicals Ltd
Priority to JP5994583A priority Critical patent/JPS59186942A/ja
Publication of JPS59186942A publication Critical patent/JPS59186942A/ja
Publication of JPH0468301B2 publication Critical patent/JPH0468301B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP5994583A 1983-04-07 1983-04-07 粗製１，４−ジヒドロキシ−２−ナフトエ酸又はその塩の精製法 Granted JPS59186942A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5994583A JPS59186942A (ja) 1983-04-07 1983-04-07 粗製１，４−ジヒドロキシ−２−ナフトエ酸又はその塩の精製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5994583A JPS59186942A (ja) 1983-04-07 1983-04-07 粗製１，４−ジヒドロキシ−２−ナフトエ酸又はその塩の精製法

Publications (2)

Publication Number Publication Date
JPS59186942A JPS59186942A (ja) 1984-10-23
JPH0468301B2 true JPH0468301B2 (h) 1992-11-02

Family

ID=13127789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5994583A Granted JPS59186942A (ja) 1983-04-07 1983-04-07 粗製１，４−ジヒドロキシ−２−ナフトエ酸又はその塩の精製法

Country Status (1)

Country Link
JP (1) JPS59186942A (h)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744419U (ja) * 1993-10-05 1995-11-21 久仁夫 大塚 電機炊飯器用２種類炊き内がまの穴あき仕切り板
JP4070721B2 (ja) 2001-08-10 2008-04-02 明治乳業株式会社 １，４−ジヒドロキシ−２−ナフトエ酸の製造法
CA2520052C (en) 2003-03-26 2011-07-19 Meiji Dairies Corporation Method for stabilizing 1,4-dihydroxy-2-napthoic acid
CN100364518C (zh) * 2005-12-20 2008-01-30 西安交通大学 1，4-萘二酚用于制备防治生殖道感染的外用杀精避孕药物用途
JP2022112840A (ja) * 2021-01-22 2022-08-03 川崎化成工業株式会社 縮合多環芳香族骨格を有する重合禁止剤及びその組成物

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638196A (en) * 1948-05-08 1950-05-31 Douglas James Fry Improvements in or relating to the preparation of hydroxy aromatic carboxylic acids
JPS5912653B2 (ja) * 1981-01-29 1984-03-24 株式会社日本触媒 １，４−ジヒドロオキシ−２−ナフトエ酸の製造方法

Also Published As

Publication number Publication date
JPS59186942A (ja) 1984-10-23

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