JPH05507285A - 高純度の2,5−ジ−フェニルアミノ−テレフタル酸およびそれのジアルキルエステルの製造方法 - Google Patents
高純度の2,5−ジ−フェニルアミノ−テレフタル酸およびそれのジアルキルエステルの製造方法Info
- Publication number
- JPH05507285A JPH05507285A JP91517673A JP51767391A JPH05507285A JP H05507285 A JPH05507285 A JP H05507285A JP 91517673 A JP91517673 A JP 91517673A JP 51767391 A JP51767391 A JP 51767391A JP H05507285 A JPH05507285 A JP H05507285A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- ester
- phenylamino
- terephthalic acid
- dialkyl
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/04—Formation of amino groups in compounds containing carboxyl groups
- C07C227/06—Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid
- C07C227/08—Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid by reaction of ammonia or amines with acids containing functional groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/52—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C229/54—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
- C07C229/62—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino groups and at least two carboxyl groups bound to carbon atoms of the same six-membered aromatic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.(1)キシレン中でのデイーウマン縮合によるコハク酸−ジ−アルキル(C 1〜C2)−エステルとナトリウム−アルコラートとの反応で2,5−ジヒドロ キシ−シクロヘキサジエン−ジカルボン酸−(1,4)−ジアルキル(C1〜C 2)−エステルのジナトリウム塩を得、(2)こうして得られた縮合生成物を酸 でのジナトリウム塩の分解後に一般式(2)▲数式、化学式、表等があります▼ (2)〔式中、Rは下記の意味を有する。〕 で表されるフェニルアミンと、有機酸の存在下にキシレン中で反応させて、2, 5−ジ−フェニルアミノ−ジヒドロ(3,6)−テレフタル酸−ジ−アルキル( C1〜C2)−エステルを得、(3)こうして得られたシクロヘキサジエン−1 4−誘導体を酸素で脱水素(酸化)して相当する2,5−ジ−フェニルアミノ− テレフタル酸−ジ−アルキル(C1〜C2)−エステルを得、(4)こうして得 られたジアルキルエステルを苛性ソーダのメタノール溶液中で加水分解して相応 する2,5−ジ−フェニルアミノ−テレフタル酸−ジ−ナトリウム塩を得そして (5)このジ−ナトリウム塩から酸で2,5−ジ−フェニルアミノ−テレフタル 酸を遊離させることによって一般式(1)▲数式、化学式、表等があります▼( 1)〔式中、Rは水素原子またはメチル基でありそしてR′は水素原子またはメ チル−またはエチル基を意味する。〕 で表される2,5−ジ−フェニルアミノ−テレフタル酸およびそれのジアルキル エステルを製造する方法において、段階(1)において生じる2,5−ジヒドロ キシ−シクロヘキサジエン−ジカルボン酸(1,4)−ジ−アルキル(C1〜C 2)−エステルをキシレン中で反応混合物から分離せず、段階(2)において上 述の式(2)のフェニルアミンとの反応の為にプロピオン酸またはヘキサフルオ ロプロパン−スルホン酸を酸触媒として使用し、得られる2,5−ジフェニルア ミノ−ジヒドロ−(3,6)−テレフタル酸−ジ−アルキル(C1〜C2)−エ ステルを(3)段階で密閉された装置中でV4A−スチールおよび/または元素 の周期律表の遷移金属および/または色々な酸化段階の希土類金属またはそれの 化合物またはこれらの混合物より成る触媒の存在下に100%酸素で脱水素(酸 化)を、反応混合物の上のガス空間の酸素含有量を8容量%以下に一定に維持し ながら行い、得られる2,5−ジ−フェニルアミノ−テレフタル酸−ジ−アルキ ル(C1〜C2)−エステルを水性媒体から濾過によって中間分離し、最後に中 間分離したジ−アルキル(C1〜C2)−エステルを吸引濾過器の上で水蒸気に て吹き飛ばし処理しそして次にメタノールまたはエタノールで洗浄することによ って精製することを特徴とする、上記方法。 2.2,5−ジ−フェニルアミノ−ジヒドロ−(3,6)−テレフタル酸−ジ− アルキル(C1〜C2)−エステルの脱水素(酸化)を触媒としてのモリブデン 、バナジン、サマリウム、MoO3、MoCl5、バナジン(IV)−オキシド −アセチルアセトナートまたはSm2O3またはそれらの混合物の存在下に実施 する、請求項1に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4037244.8 | 1990-11-23 | ||
DE4037244 | 1990-11-23 | ||
DE4101084.1 | 1991-01-16 | ||
DE4101084 | 1991-01-16 | ||
PCT/EP1991/002067 WO1992009558A1 (de) | 1990-11-23 | 1991-11-02 | Verfahren zur herstellung von 2,5-di-phenylamino-terephthalsäure und ihrer dialkylester in hoher reinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05507285A true JPH05507285A (ja) | 1993-10-21 |
JPH0791245B2 JPH0791245B2 (ja) | 1995-10-04 |
Family
ID=25898704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3517673A Expired - Fee Related JPH0791245B2 (ja) | 1990-11-23 | 1991-11-02 | 高純度の2,5−ジ−フェニルアミノ−テレフタル酸およびそれのジアルキルエステルの製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5347038A (ja) |
EP (1) | EP0558511B1 (ja) |
JP (1) | JPH0791245B2 (ja) |
KR (1) | KR960014910B1 (ja) |
BR (1) | BR9106992A (ja) |
CA (1) | CA2096845A1 (ja) |
DE (1) | DE59107698D1 (ja) |
WO (1) | WO1992009558A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT401515B (de) * | 1993-10-19 | 1996-09-25 | Chemie Linz Gmbh | Verfahren zur umesterung von dimethylsuccinylsuccinat |
ATE207869T1 (de) * | 1995-09-25 | 2001-11-15 | Ciba Sc Holding Ag | Verfahren zur herstellung von dialkylsuccinylsuccinaten |
US5739169A (en) * | 1996-05-31 | 1998-04-14 | Procept, Incorporated | Aromatic compounds for inhibiting immune response |
WO2004026809A1 (ja) * | 2002-09-17 | 2004-04-01 | Hirose Engineering Co., Ltd. | 発光化合物、その製造方法及び発光素子 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB891640A (en) * | 1959-06-19 | 1962-03-14 | Ciba Ltd | Process for the manufacture of esters of dianilidoterephthalic acid |
FR1319519A (fr) * | 1962-03-16 | 1963-03-01 | Cassella Farbwerke Mainkur Ag | Acides 2.5-diarylamino-téréphtaliques et leur préparation |
US3671451A (en) * | 1968-03-27 | 1972-06-20 | American Cyanamid Co | Fluorescent compositions |
DE3104644A1 (de) * | 1981-02-10 | 1982-08-19 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von dimethylsuccinylosuccinat, dessen dinatriumsalz, dianilinodihydroterephthalsaeuren, deren dimethylestern und salzen sowie von dianilinoterephthalsaeuren, deren dimethylestern und salzen |
DE3834747A1 (de) * | 1988-10-12 | 1990-05-03 | Bayer Ag | Verfahren zur herstellung von 2,5-diarylaminoterephthalsaeuren |
US5208365A (en) * | 1991-06-14 | 1993-05-04 | Hoechst Aktiengesellschaft | Process for the preparation of 2,5-di(phenylamino)-terephthalic acid and its dialkyl esters in high purity |
-
1991
- 1991-11-02 DE DE59107698T patent/DE59107698D1/de not_active Expired - Fee Related
- 1991-11-02 KR KR1019930701536A patent/KR960014910B1/ko not_active IP Right Cessation
- 1991-11-02 JP JP3517673A patent/JPH0791245B2/ja not_active Expired - Fee Related
- 1991-11-02 CA CA002096845A patent/CA2096845A1/en not_active Abandoned
- 1991-11-02 EP EP91918521A patent/EP0558511B1/de not_active Expired - Lifetime
- 1991-11-02 BR BR919106992A patent/BR9106992A/pt not_active Application Discontinuation
- 1991-11-02 WO PCT/EP1991/002067 patent/WO1992009558A1/de active IP Right Grant
-
1993
- 1993-05-20 US US08/064,116 patent/US5347038A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR9106992A (pt) | 1993-08-24 |
EP0558511B1 (de) | 1996-04-17 |
CA2096845A1 (en) | 1992-05-24 |
WO1992009558A1 (de) | 1992-06-11 |
DE59107698D1 (de) | 1996-05-23 |
JPH0791245B2 (ja) | 1995-10-04 |
KR930702255A (ko) | 1993-09-08 |
US5347038A (en) | 1994-09-13 |
EP0558511A1 (en) | 1993-09-08 |
KR960014910B1 (ko) | 1996-10-21 |
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