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
Application number
GR900100062A
Other languages
English (en)
Inventor
Everette Raff Dwight
Tzu Fen Kao James
Original Assignee
Noramco Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21928873&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GR1000749(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Noramco Inc filed Critical Noramco Inc
Publication of GR1000749B publication Critical patent/GR1000749B/el

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
GR900100062A 1987-04-29 1988-04-29 Βελτιωμενη μεθοδος υδρογονωσεως για την παρασκευη της 4-αμινοφαινολης. GR1000749B (el)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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