GR1000215B - Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. - Google Patents
Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης.Info
- Publication number
- GR1000215B GR1000215B GR880100281A GR880100281A GR1000215B GR 1000215 B GR1000215 B GR 1000215B GR 880100281 A GR880100281 A GR 880100281A GR 880100281 A GR880100281 A GR 880100281A GR 1000215 B GR1000215 B GR 1000215B
- Authority
- GR
- Greece
- Prior art keywords
- reaction zone
- hydrogen
- reaction
- aminophenol
- aminophenole
- 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
Η μέθοδος παραγωγής 4-αμινοφαινόλης δια αναγωγής νιτροβενζολίου με υδρογόνον εις μίαν ζώνην αντιδράσεως σε ηυξημένην θερμοκρασίαν και μετρίαν πίεσιν παρουσία υδατικού θειϊκού οξέος, μιας επιφανειακώς δραστικής ουσίας και ενός καταλύτου, βελτιώνεται δια χρησιμοποιήσεως πλατίνης επί άνθρακος ως καταλύτου δια χρησιμοποιήσεως 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 μέρος της αναφερθείσης ζώνης αντιδράσεως αναδεύσεως του μίγματος της αντιδράσεως ζωηρώς δια χρησιμοποιήσεως ενός έλικος ο οποίος τοποθετείται εις 40 έως 60% του βάθους του υγρού δια να επιτύχωμεν μίαν ταχύτητα υδρογονώσεως η οποία να δίδει ένα δείκτην συμπεριφοράς (εκπεφρασμένον ως γραμμάρια 4-αμινοφαινόλης η οποία παράγεται ανά λεπτόν ανά λίτρον όγκου αντιδράσεως) με τιμήν 0,2 και μεγαλυτέρα. ω
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4378487A | 1987-04-29 | 1987-04-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
GR880100281A GR880100281A (en) | 1989-01-31 |
GR1000215B true GR1000215B (el) | 1992-04-17 |
Family
ID=21928873
Family Applications (2)
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. |
GR900100062A GR1000749B (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 |
---|---|---|---|
GR900100062A GR1000749B (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) | GR1000215B (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 |
Family Cites Families (8)
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 |
US3383416A (en) * | 1965-07-08 | 1968-05-14 | Roland G. Benner | Process for preparing aminophenol |
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 |
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 AT AT88303825T patent/ATE86969T1/de not_active IP Right Cessation
- 1988-04-28 EP EP88303825A patent/EP0289297B1/en not_active Revoked
- 1988-04-28 CN CN88102535A patent/CN1020092C/zh 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 AU AU15286/88A patent/AU610875B2/en not_active Expired
- 1988-04-29 GR GR880100281A patent/GR1000215B/el not_active IP Right Cessation
- 1988-04-29 GR GR900100062A patent/GR1000749B/el not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS63280046A (ja) | 1988-11-17 |
GR880100281A (en) | 1989-01-31 |
EP0289297A3 (en) | 1990-05-23 |
CA1338726C (en) | 1996-11-19 |
DE3879261T2 (de) | 1993-07-22 |
ES2053727T3 (es) | 1994-08-01 |
DE3879261D1 (de) | 1993-04-22 |
ATE86969T1 (de) | 1993-04-15 |
EP0289297A2 (en) | 1988-11-02 |
JP2591786B2 (ja) | 1997-03-19 |
GR1000749B (el) | 1992-12-30 |
EP0289297B1 (en) | 1993-03-17 |
AU610875B2 (en) | 1991-05-30 |
CN1020092C (zh) | 1993-03-17 |
AU1528688A (en) | 1988-11-03 |
CN88102535A (zh) | 1988-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Right expired |