ES403128A1 - Procedimiento para la obtencion de 1,5 (8)-dihidroxiantra- quinona. - Google Patents

Procedimiento para la obtencion de 1,5 (8)-dihidroxiantra- quinona.

Info

Publication number: ES403128A1
Authority: ES; Spain
Prior art keywords: separation; dihydroxyanthraquinone; preparation; dihydroxyanthranquinone; dialkoxyanthraquinone
Prior art date: 1971-05-26
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

ES403128A

Other languages

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.)

Sandoz AG

Original Assignee

Sandoz AG

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.)

1971-05-26

Filing date

1972-05-24

Publication date

1975-11-01

1972-05-24 Application filed by Sandoz AG filed Critical Sandoz AG

1975-11-01 Publication of ES403128A1 publication Critical patent/ES403128A1/es

Status Expired legal-status Critical Current

Links

238000000926 separation method Methods 0.000 title abstract 2
QBPFLULOKWLNNW-UHFFFAOYSA-N chrysazin Chemical compound O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O QBPFLULOKWLNNW-UHFFFAOYSA-N 0.000 title 2
229960001577 dantron Drugs 0.000 title 1
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
238000000034 method Methods 0.000 abstract 2
239000002253 acid Substances 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
239000011707 mineral Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
- C09B1/06—Preparation from starting materials already containing the anthracene nucleus
- C09B1/08—Dyes containing only OH-groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/10—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

ES403128A 1971-05-26 1972-05-24 Procedimiento para la obtencion de 1,5 (8)-dihidroxiantra- quinona. Expired ES403128A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH768671A CH555875A (de)	1971-05-26	1971-05-26	Verfahren zur herstellung von 1,5- und 1,8-dihydroxyanthrachinonen.

Publications (1)

Publication Number	Publication Date
ES403128A1 true ES403128A1 (es)	1975-11-01

Family

ID=4329012

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES403128A Expired ES403128A1 (es)	1971-05-26	1972-05-24	Procedimiento para la obtencion de 1,5 (8)-dihidroxiantra- quinona.

Country Status (13)

Country	Link
US (1)	US3884943A (es)
JP (1)	JPS5647168B1 (es)
AU (1)	AU470527B2 (es)
BE (1)	BE783889A (es)
BR (1)	BR7203296D0 (es)
CA (1)	CA982123A (es)
CH (1)	CH555875A (es)
DD (1)	DD96231A5 (es)
DE (1)	DE2224793C3 (es)
ES (1)	ES403128A1 (es)
FR (1)	FR2139112B1 (es)
GB (1)	GB1388635A (es)
NL (1)	NL7206799A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH597170A5 (es) *	1974-12-20	1978-03-31	Ciba Geigy Ag
DE2909481A1 (de) *	1979-03-10	1980-09-11	Bayer Ag	Verfahren zur herstellung von 4,5-dinitro-1,8-dihydroxyanthrachinon

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1957936A (en) *	1932-09-14	1934-05-08	Du Pont	Manufacture of amino-dihydroxy-anthraquinones
US2485197A (en) *	1944-05-24	1949-10-18	Ciba Ltd	Dyestuff mixtures and process of making same

1971
- 1971-05-26 CH CH768671A patent/CH555875A/xx not_active IP Right Cessation
1972
- 1972-05-19 NL NL7206799A patent/NL7206799A/xx unknown
- 1972-05-20 DE DE2224793A patent/DE2224793C3/de not_active Expired
- 1972-05-22 US US255253A patent/US3884943A/en not_active Expired - Lifetime
- 1972-05-23 GB GB2420772A patent/GB1388635A/en not_active Expired
- 1972-05-24 JP JP5083172A patent/JPS5647168B1/ja active Pending
- 1972-05-24 BR BR3296/72A patent/BR7203296D0/pt unknown
- 1972-05-24 ES ES403128A patent/ES403128A1/es not_active Expired
- 1972-05-24 BE BE783889A patent/BE783889A/xx unknown
- 1972-05-25 AU AU42773/72A patent/AU470527B2/en not_active Expired
- 1972-05-25 DD DD163192A patent/DD96231A5/xx unknown
- 1972-05-25 CA CA142,957A patent/CA982123A/en not_active Expired
- 1972-05-26 FR FR7218827A patent/FR2139112B1/fr not_active Expired

Also Published As

Publication number	Publication date
CA982123A (en)	1976-01-20
GB1388635A (en)	1975-03-26
JPS5647168B1 (es)	1981-11-07
FR2139112A1 (es)	1973-01-05
DE2224793C3 (de)	1981-06-19
BE783889A (fr)	1972-11-24
DE2224793B2 (de)	1980-07-31
AU470527B2 (en)	1976-03-18
DD96231A5 (es)	1973-03-12
US3884943A (en)	1975-05-20
DE2224793A1 (de)	1972-12-07
NL7206799A (es)	1972-11-28
BR7203296D0 (pt)	1973-06-14
FR2139112B1 (es)	1977-12-23
CH555875A (de)	1974-11-15
AU4277372A (en)	1973-11-29

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