EE03068B1 - 3,4-dihüdroksü-5-nitrobensaldehüüdi valmistamise meetod - Google Patents

3,4-dihüdroksü-5-nitrobensaldehüüdi valmistamise meetod

Info

Publication number
EE03068B1
EE03068B1 EE9400168A EE9400168A EE03068B1 EE 03068 B1 EE03068 B1 EE 03068B1 EE 9400168 A EE9400168 A EE 9400168A EE 9400168 A EE9400168 A EE 9400168A EE 03068 B1 EE03068 B1 EE 03068B1
Authority
EE
Estonia
Prior art keywords
pct
nitrobenzaldehyde
date jan
dihydroxy
preparation
Prior art date
Application number
EE9400168A
Other languages
English (en)
Inventor
Honkanen Erkki
Holm Stig
Original Assignee
Orion-Yhtym Oy
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
Application filed by Orion-Yhtym Oy filed Critical Orion-Yhtym Oy
Publication of EE03068B1 publication Critical patent/EE03068B1/et

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/44Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by —CHO groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/12Preparation of nitro compounds by reactions not involving the formation of nitro groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EE9400168A 1991-06-20 1994-11-01 3,4-dihüdroksü-5-nitrobensaldehüüdi valmistamise meetod EE03068B1 (et)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919113431A GB9113431D0 (en) 1991-06-20 1991-06-20 Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde

Publications (1)

Publication Number Publication Date
EE03068B1 true EE03068B1 (et) 1998-02-16

Family

ID=10697088

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9400168A EE03068B1 (et) 1991-06-20 1994-11-01 3,4-dihüdroksü-5-nitrobensaldehüüdi valmistamise meetod

Country Status (23)

Country Link
US (1) US5382699A (et)
EP (1) EP0589948B1 (et)
JP (1) JP3048639B2 (et)
KR (1) KR100241132B1 (et)
AT (1) ATE142192T1 (et)
AU (1) AU650149B2 (et)
BG (1) BG62163B1 (et)
CA (1) CA2110583C (et)
CZ (1) CZ281933B6 (et)
DE (1) DE69213452T2 (et)
DK (1) DK0589948T3 (et)
EE (1) EE03068B1 (et)
ES (1) ES2091472T3 (et)
FI (1) FI104715B (et)
GB (1) GB9113431D0 (et)
GR (1) GR3021052T3 (et)
HU (1) HU211121B (et)
NO (1) NO178298C (et)
PL (1) PL169522B1 (et)
RO (1) RO115157B1 (et)
RU (1) RU2098405C1 (et)
SK (1) SK281800B6 (et)
WO (1) WO1993000323A1 (et)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9419274D0 (en) * 1994-09-23 1994-11-09 Orion Yhtymae Oy New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
US7339060B2 (en) 2005-03-23 2008-03-04 Resolution Chemicals, Ltd. Preparation of cabergoline
US20070197576A1 (en) * 2006-02-08 2007-08-23 Resolution Chemicals Limited Production of Cabergoline and Novel Polymorphic Form Thereof
EP2251323B1 (en) 2009-05-14 2014-04-23 F.I.S.- Fabbrica Italiana Sintetici S.p.A. Method for the purification of entacapone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO107714C (et) * 1961-06-21
US4009210A (en) * 1975-05-07 1977-02-22 Gulf Oil Corporation Process for manufacturing 3,5-ditert.butyl-4-hydroxybenzaldehyde by formylation of 2,6-ditert.butylphenol
DK175069B1 (da) * 1986-03-11 2004-05-24 Hoffmann La Roche Pyrocatecholderivater
FI864875A0 (fi) * 1986-11-28 1986-11-28 Orion Yhtymae Oy Nya farmakologiskt aktiva foereningar, dessa innehaollande kompositioner samt foerfarande och mellanprodukter foer anvaendning vid framstaellning av dessa.
YU213587A (en) * 1986-11-28 1989-06-30 Orion Yhtymae Oy Process for obtaining new pharmacologic active cateholic derivatives
GB2238047B (en) * 1989-11-03 1993-02-10 Orion Yhtymae Oy Stable polymorphic form of (e)-n,n-diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylamide and the process for its preparation

Also Published As

Publication number Publication date
BG62163B1 (bg) 1999-04-30
CZ280493A3 (en) 1994-04-13
HU9303667D0 (en) 1994-04-28
DE69213452D1 (de) 1996-10-10
AU650149B2 (en) 1994-06-09
RO115157B1 (ro) 1999-11-30
PL169522B1 (pl) 1996-07-31
SK144693A3 (en) 1994-11-09
BG98285A (bg) 1994-08-30
CA2110583A1 (en) 1993-01-07
US5382699A (en) 1995-01-17
EP0589948B1 (en) 1996-09-04
KR940701378A (ko) 1994-05-28
GR3021052T3 (en) 1996-12-31
DE69213452T2 (de) 1997-01-23
CZ281933B6 (cs) 1997-04-16
JPH06509064A (ja) 1994-10-13
SK281800B6 (sk) 2001-08-06
CA2110583C (en) 2003-04-08
NO934664D0 (no) 1993-12-16
ATE142192T1 (de) 1996-09-15
NO934664L (no) 1993-12-16
NO178298C (no) 1996-02-28
DK0589948T3 (da) 1996-09-30
RU2098405C1 (ru) 1997-12-10
GB9113431D0 (en) 1991-08-07
ES2091472T3 (es) 1996-11-01
KR100241132B1 (ko) 2000-03-02
FI935657L (fi) 1993-12-16
NO178298B (no) 1995-11-20
FI104715B (fi) 2000-03-31
AU1898092A (en) 1993-01-25
HUT66450A (en) 1994-11-28
HU211121B (en) 1995-10-30
FI935657A0 (fi) 1993-12-16
WO1993000323A1 (en) 1993-01-07
JP3048639B2 (ja) 2000-06-05
EP0589948A1 (en) 1994-04-06

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Legal Events

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KB4A Valid patent at the end of a year

Effective date: 20021231

KB4A Valid patent at the end of a year

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KB4A Valid patent at the end of a year

Effective date: 20041231

KB4A Valid patent at the end of a year

Effective date: 20051231

KB4A Valid patent at the end of a year

Effective date: 20061231

GB1A Change in the ownership or in the address of the owner
KB4A Valid patent at the end of a year

Effective date: 20071231

KB4A Valid patent at the end of a year

Effective date: 20081231

MM4A Lapsed by not paying the annual fees

Effective date: 20081101