DE2527374C2 - Verfahren zur Reinigung von β-Naphthol - Google Patents

Verfahren zur Reinigung von β-Naphthol

Info

Publication number
DE2527374C2
DE2527374C2 DE2527374A DE2527374A DE2527374C2 DE 2527374 C2 DE2527374 C2 DE 2527374C2 DE 2527374 A DE2527374 A DE 2527374A DE 2527374 A DE2527374 A DE 2527374A DE 2527374 C2 DE2527374 C2 DE 2527374C2
Authority
DE
Germany
Prior art keywords
naphthol
crude
solvent
aliphatic
mixture
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
Application number
DE2527374A
Other languages
German (de)
English (en)
Other versions
DE2527374A1 (de
Inventor
Hirokazu Minoo Osaka Hosaka
Kunihiko Ibaraki Osaka Tanaka
Yuji Izumiotsu Osaka Ueda
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE2527374A1 publication Critical patent/DE2527374A1/de
Application granted granted Critical
Publication of DE2527374C2 publication Critical patent/DE2527374C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE2527374A 1974-06-19 1975-06-19 Verfahren zur Reinigung von β-Naphthol Expired DE2527374C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49070506A JPS511453A (en) 1974-06-19 1974-06-19 Beeta nafutooruno seiseihoho

Publications (2)

Publication Number Publication Date
DE2527374A1 DE2527374A1 (de) 1976-01-08
DE2527374C2 true DE2527374C2 (de) 1984-09-06

Family

ID=13433472

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2527374A Expired DE2527374C2 (de) 1974-06-19 1975-06-19 Verfahren zur Reinigung von β-Naphthol

Country Status (8)

Country Link
US (1) US4021495A (enExample)
JP (1) JPS511453A (enExample)
BE (1) BE830371A (enExample)
DE (1) DE2527374C2 (enExample)
FR (1) FR2275431A1 (enExample)
GB (1) GB1462575A (enExample)
IT (1) IT1040646B (enExample)
NL (1) NL7507256A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2011312905A1 (en) * 2010-10-08 2013-04-11 Axelar Ab Picropodophyllin polymorphs B or C for use in cancer therapy
CN114369018B (zh) * 2021-12-29 2024-04-19 煤炭科学技术研究院有限公司 一种连续同步精馏酰化反应液的方法
CN114349621B (zh) * 2021-12-29 2024-04-02 煤炭科学技术研究院有限公司 一种适用小型连续精馏酰化反应液的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316310A (en) * 1967-04-25 Purification of naphthol
US2470116A (en) * 1946-10-19 1949-05-17 Koppers Co Inc Separation of compounds by crystallization
US2776322A (en) * 1948-10-30 1957-01-01 Hercules Powder Co Ltd Manufacture of beta-naphthol
US2771491A (en) * 1953-09-21 1956-11-20 Hercules Powder Co Ltd Selective oxidation of beta-isopropylnaphthalene to beta-isopropylnaphthalene hydroperoxide
US2727927A (en) * 1954-06-02 1955-12-20 American Cyanamid Co Recovery of beta-naphthol
US2985687A (en) * 1957-09-11 1961-05-23 American Cyanamid Co Purification of beta-naphthol

Also Published As

Publication number Publication date
NL7507256A (nl) 1975-12-23
DE2527374A1 (de) 1976-01-08
US4021495A (en) 1977-05-03
JPS5747892B2 (enExample) 1982-10-13
IT1040646B (it) 1979-12-20
FR2275431B1 (enExample) 1978-12-08
BE830371A (fr) 1975-10-16
FR2275431A1 (fr) 1976-01-16
GB1462575A (en) 1977-01-26
JPS511453A (en) 1976-01-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D., DIPL.-PHYS. DR.RER.NAT. RAUH, P., DIPL.-CHEM. DR.RER.NAT. HERMANN, G., DIPL.-PHYS. DR.RER.NAT. SCHMIDT, J., DIPL.-ING. JAENICHEN, H., DIPL.-BIOL. DR.RER.NAT., PAT.-ANWAELTE TREMMEL, H., RECHTSANW., 8000 MUENCHEN