GR1000749B - Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. - Google Patents
Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης.Info
- Publication number
- GR1000749B GR1000749B GR900100062A GR900100062A GR1000749B GR 1000749 B GR1000749 B GR 1000749B GR 900100062 A GR900100062 A GR 900100062A GR 900100062 A GR900100062 A GR 900100062A GR 1000749 B GR1000749 B GR 1000749B
- Authority
- GR
- Greece
- Prior art keywords
- reaction zone
- aminophenol
- hydrogen
- reaction
- hydrogenetion
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/74—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C215/76—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton of the same non-condensed six-membered aromatic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Μέθοδος παραγωγής 4-αμινοφαινόλης δια αναγωγής νιτροβενζολίου με υδρογόνον εις μία ζώνην αντιδράσεως σε ηυξημένην θερμοκρασίαν και μετρίαν πίεση παρουσία υδατικού θειϊκού οξέος, μιας επιφανειακώς δραστικής ουσιάς και ενός καταλύτου, βελτιώνεται δια χρησιμοποιήσεως πλατίνης επί άνθρακος ως καταλύτου δια χρησιμοποίήσεως μιας ζώνης αντιδράσεως η οποία δεν γεμίζεται τελείως ούτως ώστε να υπάρχει και χώρος ατμών και κατώτερος χώρος υγρού εις την ζώνην αντιδράσεως και δι' εισαγωγής του υδρογόνου εις τον χώρον των ατμών που είναι μερος της αναφερθέισης ζώνης αντιδράσεως αναδέυσεως του μίγματος της αντιδράσεως ζωηρώς δια χρησιμοποίησεως ενός έλικος ο οποίος τοποθετείται εις 40 έως 60 % του βάθους του υγρού δια να επιτύχωμεν μίαν ταχύτητα υδρογονώσεως η οποια να δίδει ένα δείκτην συμπεριφοράς (εκπεφρασμένον ως γραμμάρια 4- αμινοφαινόλης η οποία παράγεται ανά λεπτόν ανά λίτρον όγκου αντιδράσεως) με τιμήν 0,2 και μεγαλύτερα. ω
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4378487A | 1987-04-29 | 1987-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GR1000749B true GR1000749B (el) | 1992-12-30 |
Family
ID=21928873
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR900100062A GR1000749B (el) | 1987-04-29 | 1988-04-29 | Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. |
GR880100281A GR1000215B (el) | 1987-04-29 | 1988-04-29 | Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR880100281A GR1000215B (el) | 1987-04-29 | 1988-04-29 | Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0289297B1 (el) |
JP (1) | JP2591786B2 (el) |
CN (1) | CN1020092C (el) |
AT (1) | ATE86969T1 (el) |
AU (1) | AU610875B2 (el) |
CA (1) | CA1338726C (el) |
DE (1) | DE3879261T2 (el) |
ES (1) | ES2053727T3 (el) |
GR (2) | GR1000749B (el) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1050598C (zh) * | 1996-07-16 | 2000-03-22 | 遵化市化肥厂 | 对氨基苯酚的制造方法 |
JP4335617B2 (ja) | 2003-09-01 | 2009-09-30 | セイコープレシジョン株式会社 | 光学機器用セクタ駆動装置 |
DE102008037111A1 (de) | 2008-08-06 | 2010-02-11 | Sms Siemag Aktiengesellschaft | Kontinuierliche Schrottzuführung in einen elektrischen Schmelzofen (EAF) |
CN113750569B (zh) * | 2021-09-01 | 2022-04-29 | 连云港康乐药业有限公司 | 一种扑热息痛制备工艺中的脱色过滤装置及其脱色过滤方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1643255A (en) * | 1925-10-17 | 1927-09-20 | Standard Gas Equipment Corp | Thermostatically-controlled valve mechanism |
GB713622A (en) * | 1951-12-05 | 1954-08-11 | Du Pont | Process for the preparation of aromatic parahydroxyamines |
US2780647A (en) * | 1953-07-20 | 1957-02-05 | Du Pont | Process for preparing hydroxy diphenylamines |
US2947781A (en) * | 1953-06-10 | 1960-08-02 | Du Pont | Reduction process for preparing aromatic p-amino compounds |
FR1559841A (el) * | 1968-01-30 | 1969-03-14 | ||
US4051187A (en) * | 1975-03-05 | 1977-09-27 | Oxamine, Inc. | Method of producing aminophenol using a rhodium/carbon catalyst with synergistic quantities of rhodium, trichloride or rhodium tribromide |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3383416A (en) * | 1965-07-08 | 1968-05-14 | Roland G. Benner | Process for preparing aminophenol |
AU517567B2 (en) * | 1977-12-13 | 1981-08-13 | American Cyanamid Company | 2-haloalkyl (oxy, thio, sulfinyl or sulfonyl) phenylalkanoic acids and esters thereof |
-
1988
- 1988-04-22 JP JP63098414A patent/JP2591786B2/ja not_active Expired - Lifetime
- 1988-04-27 CA CA000565250A patent/CA1338726C/en not_active Expired - Lifetime
- 1988-04-28 ES ES88303825T patent/ES2053727T3/es not_active Expired - Lifetime
- 1988-04-28 DE DE8888303825T patent/DE3879261T2/de not_active Revoked
- 1988-04-28 AT AT88303825T patent/ATE86969T1/de not_active IP Right Cessation
- 1988-04-28 CN CN88102535A patent/CN1020092C/zh not_active Expired - Lifetime
- 1988-04-28 EP EP88303825A patent/EP0289297B1/en not_active Revoked
- 1988-04-28 AU AU15286/88A patent/AU610875B2/en not_active Expired
- 1988-04-29 GR GR900100062A patent/GR1000749B/el not_active IP Right Cessation
- 1988-04-29 GR GR880100281A patent/GR1000215B/el not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1643255A (en) * | 1925-10-17 | 1927-09-20 | Standard Gas Equipment Corp | Thermostatically-controlled valve mechanism |
GB713622A (en) * | 1951-12-05 | 1954-08-11 | Du Pont | Process for the preparation of aromatic parahydroxyamines |
US2947781A (en) * | 1953-06-10 | 1960-08-02 | Du Pont | Reduction process for preparing aromatic p-amino compounds |
US2780647A (en) * | 1953-07-20 | 1957-02-05 | Du Pont | Process for preparing hydroxy diphenylamines |
FR1559841A (el) * | 1968-01-30 | 1969-03-14 | ||
US4051187A (en) * | 1975-03-05 | 1977-09-27 | Oxamine, Inc. | Method of producing aminophenol using a rhodium/carbon catalyst with synergistic quantities of rhodium, trichloride or rhodium tribromide |
Non-Patent Citations (1)
Title |
---|
CLAIMS SEARCHED: ALL * |
Also Published As
Publication number | Publication date |
---|---|
CA1338726C (en) | 1996-11-19 |
JP2591786B2 (ja) | 1997-03-19 |
CN88102535A (zh) | 1988-12-07 |
DE3879261D1 (de) | 1993-04-22 |
ES2053727T3 (es) | 1994-08-01 |
EP0289297A2 (en) | 1988-11-02 |
EP0289297A3 (en) | 1990-05-23 |
AU610875B2 (en) | 1991-05-30 |
ATE86969T1 (de) | 1993-04-15 |
JPS63280046A (ja) | 1988-11-17 |
CN1020092C (zh) | 1993-03-17 |
EP0289297B1 (en) | 1993-03-17 |
AU1528688A (en) | 1988-11-03 |
DE3879261T2 (de) | 1993-07-22 |
GR1000215B (el) | 1992-04-17 |
GR880100281A (en) | 1989-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3573773D1 (en) | Process for the preparation of formic acid | |
GB1511961A (en) | Process for the production of methyl formate | |
MY111225A (en) | Process for producing highly purified acetic acid | |
MX9702285A (es) | Proceso para preparar 1,3-alcanodioles y 3-hidroxialdehidos. | |
GR1000749B (el) | Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. | |
HUT39441A (en) | Process for preparing tetronic acid | |
GR3002689T3 (en) | Process for producing 2-methyl-1,4-naphthoquinone | |
JPS55144889A (en) | Continuous preparation of acrylamide or methacrylamide by microorganism | |
GB1295742A (el) | ||
DE3466977D1 (en) | Continuous process for the production of 1,2-alkane diols | |
GB1463050A (en) | Process for the manufacture of bromine | |
GB1357502A (en) | Process for producing a reducing gas | |
ES8607230A1 (es) | Procedimiento para preparar acidos peroxicarboxilicos inso- lubles en agua | |
JPS56140948A (en) | Fixation of carbon dioxide | |
JPS56139433A (en) | Preparation of 1,1,1,3,3,3,-hexafluoropropan-2-ol | |
ES447413A1 (es) | Procedimiento para preparar acido perpropionico. | |
GB1025813A (en) | Production of mannitol/sorbitol | |
DE3760087D1 (en) | Process for the production of trihydroxy-benzenes | |
CN115872846A (zh) | 一种戊二醛水溶液脱色方法 | |
JPS6440597A (en) | Production of fats and oils containing trans acid highly | |
DE3478613D1 (en) | Process for the preparation of ethanol out of fermentable sugar solutions | |
EP1433771A4 (en) | PROCESS FOR PREPARING CYCLODODECANONE | |
GB1257363A (el) | ||
DE2960233D1 (en) | Process for the preparation of alpha-hydroxycarboxylic acid amides | |
SU1365615A1 (ru) | Способ получения боргидрида калия |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Right expired |