IT1018678B - Procedimento di riduzione di compo sti nitroantrachinonic - Google Patents
Procedimento di riduzione di compo sti nitroantrachinonicInfo
- Publication number
- IT1018678B IT1018678B IT51215/74A IT5121574A IT1018678B IT 1018678 B IT1018678 B IT 1018678B IT 51215/74 A IT51215/74 A IT 51215/74A IT 5121574 A IT5121574 A IT 5121574A IT 1018678 B IT1018678 B IT 1018678B
- Authority
- IT
- Italy
- Prior art keywords
- nitroantrachinonic
- compo
- sti
- procedure
- reduction
- Prior art date
Links
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
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
-
- 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
- C09B1/56—Mercapto-anthraquinones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH763973A CH573394A5 (it) | 1973-05-28 | 1973-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1018678B true IT1018678B (it) | 1977-10-20 |
Family
ID=4328244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51215/74A IT1018678B (it) | 1973-05-28 | 1974-05-27 | Procedimento di riduzione di compo sti nitroantrachinonic |
Country Status (8)
Country | Link |
---|---|
US (1) | US4016182A (it) |
JP (1) | JPS5025555A (it) |
BE (1) | BE815574A (it) |
CH (1) | CH573394A5 (it) |
DE (1) | DE2425314C2 (it) |
FR (1) | FR2231666B1 (it) |
GB (1) | GB1469322A (it) |
IT (1) | IT1018678B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2916958A1 (de) * | 1978-04-28 | 1979-11-08 | Ciba Geigy Ag | Verfahren zur herstellung von 1,2- diaminoanthrachinon |
EP0005206B1 (de) * | 1978-04-28 | 1981-04-01 | Ciba-Geigy Ag | Verfahren zur Herstellung von 1,4-Diaminoanthrachinon-2-carbonsäure |
CH634861A5 (de) * | 1978-05-08 | 1983-02-28 | Ciba Geigy Ag | Verfahren zur herstellung des dianthrachinonyl-n,n'-dihydroazins. |
CH653986A5 (de) * | 1982-10-19 | 1986-01-31 | Ciba Geigy Ag | Verfahren zur herstellung von monoaminoanthrachinonen. |
DE3240036A1 (de) * | 1982-10-28 | 1984-05-10 | Lev Michajlovič Moskva Blinov | Anthrachinonderivate, verfahren zu ihrer herstellung und ihre verwendung in fluesigkristallmaterialien fuer elektrooptische vorrichtungen |
JP2565394B2 (ja) * | 1989-02-21 | 1996-12-18 | 日本化薬株式会社 | pーフエニレンジアミン類の製法 |
EP1286949A2 (en) * | 2000-05-17 | 2003-03-05 | Syngenta Participations AG | Process for the preparation of aniline compounds |
CN109810008A (zh) * | 2019-02-26 | 2019-05-28 | 海门市五洋化工有限公司 | 一种染料中间体的合成方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2309708A (en) * | 1939-08-21 | 1943-02-02 | Celanese Corp | Manufacture of anthraquinone derivatives |
GB1053490A (it) * | 1963-12-20 | |||
FR1531889A (fr) * | 1966-07-19 | 1968-07-05 | Bayer Ag | Procédé de préparation d'amino-anthraquinones |
CH519012A (de) * | 1968-07-26 | 1972-02-15 | Ciba Geigy Ag | Farbstoffpräparate |
-
1973
- 1973-05-28 CH CH763973A patent/CH573394A5/xx not_active IP Right Cessation
-
1974
- 1974-05-22 US US05/472,141 patent/US4016182A/en not_active Expired - Lifetime
- 1974-05-23 GB GB2305774A patent/GB1469322A/en not_active Expired
- 1974-05-24 DE DE2425314A patent/DE2425314C2/de not_active Expired
- 1974-05-27 BE BE144783A patent/BE815574A/xx unknown
- 1974-05-27 IT IT51215/74A patent/IT1018678B/it active
- 1974-05-27 JP JP49058904A patent/JPS5025555A/ja active Pending
- 1974-05-28 FR FR7418342A patent/FR2231666B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5025555A (it) | 1975-03-18 |
US4016182A (en) | 1977-04-05 |
DE2425314A1 (de) | 1975-01-02 |
GB1469322A (en) | 1977-04-06 |
FR2231666B1 (it) | 1978-01-20 |
FR2231666A1 (it) | 1974-12-27 |
CH573394A5 (it) | 1976-03-15 |
BE815574A (fr) | 1974-11-27 |
DE2425314C2 (de) | 1983-07-21 |
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