GB1228727A - - Google Patents
Info
- Publication number
- GB1228727A GB1228727A GB1228727DA GB1228727A GB 1228727 A GB1228727 A GB 1228727A GB 1228727D A GB1228727D A GB 1228727DA GB 1228727 A GB1228727 A GB 1228727A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diarylamino
- march
- absence
- solvent
- acid
- 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
Links
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000004982 aromatic amines Chemical class 0.000 abstract 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 abstract 1
- JBIJLHTVPXGSAM-UHFFFAOYSA-N 2-naphthylamine Chemical compound C1=CC=CC2=CC(N)=CC=C21 JBIJLHTVPXGSAM-UHFFFAOYSA-N 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 125000004185 ester group Chemical group 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- SHLTXWFNRJQZTQ-UHFFFAOYSA-N n-chloro-2-methylaniline Chemical class CC1=CC=CC=C1NCl SHLTXWFNRJQZTQ-UHFFFAOYSA-N 0.000 abstract 1
- KUDPGZONDFORKU-UHFFFAOYSA-N n-chloroaniline Chemical class ClNC1=CC=CC=C1 KUDPGZONDFORKU-UHFFFAOYSA-N 0.000 abstract 1
- 239000012074 organic phase Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 150000004992 toluidines Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1768049A DE1768049B2 (de) | 1968-03-26 | 1968-03-26 | Verfahren zur Herstellung von 2,5-(Di-arylamino)-terephthalsäuren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1228727A true GB1228727A (enrdf_load_stackoverflow) | 1971-04-15 |
Family
ID=5699577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1228727D Expired GB1228727A (enrdf_load_stackoverflow) | 1968-03-26 | 1969-03-25 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5116418B1 (enrdf_load_stackoverflow) |
| BE (1) | BE730473A (enrdf_load_stackoverflow) |
| CH (1) | CH502987A (enrdf_load_stackoverflow) |
| DE (1) | DE1768049B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2004790A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1228727A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435589A (en) | 1981-02-10 | 1984-03-06 | Bayer Aktiengesellschaft | Process for the preparation of dimethyl succinylosuccinate, the disodium salt thereof, dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and dianilinoterephthalic acids, and the dimethyl esters and salts thereof |
| US4981997A (en) * | 1988-10-12 | 1991-01-01 | Bayer Aktiengesellschaft | Process for the preparation of 2,5-diarylaminoterephthalic acids |
| EP0648733A3 (de) * | 1993-10-19 | 1995-08-16 | Chemie Linz Gmbh | Chinacridonsynthese und Verfahren zur Herstellung von Zwischenprodukten. |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2542494C3 (de) * | 1975-09-24 | 1981-04-30 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung reiner substituierter 2,5 Diarylaminoterephthalsäureester und der entsprechenden freien Säuren |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB918511A (en) * | 1960-05-23 | 1963-02-13 | Ciba Ltd | Process for the manufacture of 2:5-diarylamino-terephthalic acids |
| US3285952A (en) * | 1962-11-20 | 1966-11-15 | Allied Chem | Oxidation of 2, 5-diarylamino-dihydro-terephthalates with nitrobenzene |
-
1968
- 1968-03-26 DE DE1768049A patent/DE1768049B2/de active Granted
-
1969
- 1969-03-24 CH CH442569A patent/CH502987A/de not_active IP Right Cessation
- 1969-03-25 GB GB1228727D patent/GB1228727A/en not_active Expired
- 1969-03-26 FR FR6908960A patent/FR2004790A1/fr not_active Withdrawn
- 1969-03-26 BE BE730473D patent/BE730473A/xx unknown
- 1969-03-26 JP JP44022419A patent/JPS5116418B1/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435589A (en) | 1981-02-10 | 1984-03-06 | Bayer Aktiengesellschaft | Process for the preparation of dimethyl succinylosuccinate, the disodium salt thereof, dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and dianilinoterephthalic acids, and the dimethyl esters and salts thereof |
| US4981997A (en) * | 1988-10-12 | 1991-01-01 | Bayer Aktiengesellschaft | Process for the preparation of 2,5-diarylaminoterephthalic acids |
| EP0648733A3 (de) * | 1993-10-19 | 1995-08-16 | Chemie Linz Gmbh | Chinacridonsynthese und Verfahren zur Herstellung von Zwischenprodukten. |
| US5491255A (en) * | 1993-10-19 | 1996-02-13 | Chemie Linz Gmbh | Process for the transesterification of dimethyl succinylsuccinate |
| US5659076A (en) * | 1993-10-19 | 1997-08-19 | Dsm Chemie Linz Gmbh | Process for the production of 2,5-dianilino-terephthalic acids |
Also Published As
| Publication number | Publication date |
|---|---|
| CH502987A (de) | 1971-02-15 |
| DE1768049A1 (de) | 1971-11-18 |
| JPS5116418B1 (enrdf_load_stackoverflow) | 1976-05-24 |
| DE1768049C3 (enrdf_load_stackoverflow) | 1975-02-13 |
| DE1768049B2 (de) | 1974-06-20 |
| FR2004790A1 (enrdf_load_stackoverflow) | 1969-11-28 |
| BE730473A (enrdf_load_stackoverflow) | 1969-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |