GB1313982A - Process for the preparation of 1-hydroxy-3-methyl-anthraquinones - Google Patents

Process for the preparation of 1-hydroxy-3-methyl-anthraquinones

Info

Publication number
GB1313982A
GB1313982A GB4146671A GB4146671A GB1313982A GB 1313982 A GB1313982 A GB 1313982A GB 4146671 A GB4146671 A GB 4146671A GB 4146671 A GB4146671 A GB 4146671A GB 1313982 A GB1313982 A GB 1313982A
Authority
GB
United Kingdom
Prior art keywords
methyl
hydrogen atom
alkoxy
anthraquinone
carbon atoms
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
GB4146671A
Other languages
English (en)
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of GB1313982A publication Critical patent/GB1313982A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C50/00—Quinones
    • C07C50/26—Quinones containing groups having oxygen atoms singly bound to carbon atoms
    • C07C50/34—Quinones containing groups having oxygen atoms singly bound to carbon atoms the quinoid structure being part of a condensed ring system having three rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
    • C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB4146671A 1970-09-07 1971-09-06 Process for the preparation of 1-hydroxy-3-methyl-anthraquinones Expired GB1313982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU61653 1970-09-07

Publications (1)

Publication Number Publication Date
GB1313982A true GB1313982A (en) 1973-04-18

Family

ID=19726479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4146671A Expired GB1313982A (en) 1970-09-07 1971-09-06 Process for the preparation of 1-hydroxy-3-methyl-anthraquinones

Country Status (5)

Country Link
US (1) US3773801A (enExample)
DE (1) DE2144772A1 (enExample)
FR (1) FR2112941A5 (enExample)
GB (1) GB1313982A (enExample)
LU (1) LU61653A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891362A (en) * 1987-07-08 1990-01-02 Ciba-Geigy Corporation Substituted amidophosphonates and amidophosphates
US5039707A (en) * 1989-09-08 1991-08-13 Mobley James R 1,3,6,8 tetrahydroxyanthraquinone
FR2740772B1 (fr) * 1995-11-02 1998-01-16 Girex Procede de preparation d'anthraquinones substituees et application a la preparation de rheines
FR2759079B1 (fr) * 1997-02-03 2002-06-14 Girex Procede de preparation d'anthraquinones substituees et application a la preparation de rheines

Also Published As

Publication number Publication date
US3773801A (en) 1973-11-20
DE2144772A1 (de) 1972-03-09
FR2112941A5 (enExample) 1972-06-23
LU61653A1 (enExample) 1972-06-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees