NO934664L - Fremgangsmaate til fremstilling 3,4-dihydroksy-5-nitrobenzaldehyd - Google Patents

Fremgangsmaate til fremstilling 3,4-dihydroksy-5-nitrobenzaldehyd

Info

Publication number
NO934664L
NO934664L NO934664A NO934664A NO934664L NO 934664 L NO934664 L NO 934664L NO 934664 A NO934664 A NO 934664A NO 934664 A NO934664 A NO 934664A NO 934664 L NO934664 L NO 934664L
Authority
NO
Norway
Prior art keywords
pct
nitrobenzaldehyde
date jan
dihydroxy
preparation
Prior art date
Application number
NO934664A
Other languages
English (en)
Other versions
NO934664D0 (no
NO178298B (no
NO178298C (no
Inventor
Erkki Hankanen
Stig Lindholm
Original Assignee
Orion Yhtymae 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 Yhtymae Oy filed Critical Orion Yhtymae Oy
Publication of NO934664D0 publication Critical patent/NO934664D0/no
Publication of NO934664L publication Critical patent/NO934664L/no
Publication of NO178298B publication Critical patent/NO178298B/no
Publication of NO178298C publication Critical patent/NO178298C/no

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)
NO934664A 1991-06-20 1993-12-16 Fremgangsmåte til fremstilling av 3,4-dihydroksy-5-nitrobenzaldehyd NO178298C (no)

Applications Claiming Priority (2)

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
PCT/FI1992/000192 WO1993000323A1 (en) 1991-06-20 1992-06-18 Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde

Publications (4)

Publication Number Publication Date
NO934664D0 NO934664D0 (no) 1993-12-16
NO934664L true NO934664L (no) 1993-12-16
NO178298B NO178298B (no) 1995-11-20
NO178298C NO178298C (no) 1996-02-28

Family

ID=10697088

Family Applications (1)

Application Number Title Priority Date Filing Date
NO934664A NO178298C (no) 1991-06-20 1993-12-16 Fremgangsmåte til fremstilling av 3,4-dihydroksy-5-nitrobenzaldehyd

Country Status (23)

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

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
NL279980A (no) * 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
YU213587A (en) * 1986-11-28 1989-06-30 Orion Yhtymae Oy Process for obtaining new pharmacologic active cateholic derivatives
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.
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
AU1898092A (en) 1993-01-25
DE69213452D1 (de) 1996-10-10
HU9303667D0 (en) 1994-04-28
US5382699A (en) 1995-01-17
AU650149B2 (en) 1994-06-09
CZ280493A3 (en) 1994-04-13
EP0589948B1 (en) 1996-09-04
CA2110583A1 (en) 1993-01-07
GR3021052T3 (en) 1996-12-31
BG98285A (bg) 1994-08-30
FI104715B (fi) 2000-03-31
BG62163B1 (bg) 1999-04-30
FI935657A0 (fi) 1993-12-16
NO934664D0 (no) 1993-12-16
FI935657L (fi) 1993-12-16
RU2098405C1 (ru) 1997-12-10
PL169522B1 (pl) 1996-07-31
ATE142192T1 (de) 1996-09-15
NO178298B (no) 1995-11-20
HUT66450A (en) 1994-11-28
EP0589948A1 (en) 1994-04-06
EE03068B1 (et) 1998-02-16
JPH06509064A (ja) 1994-10-13
DK0589948T3 (da) 1996-09-30
GB9113431D0 (en) 1991-08-07
KR100241132B1 (ko) 2000-03-02
HU211121B (en) 1995-10-30
RO115157B1 (ro) 1999-11-30
NO178298C (no) 1996-02-28
JP3048639B2 (ja) 2000-06-05
KR940701378A (ko) 1994-05-28
WO1993000323A1 (en) 1993-01-07
SK281800B6 (sk) 2001-08-06
SK144693A3 (en) 1994-11-09
CZ281933B6 (cs) 1997-04-16
ES2091472T3 (es) 1996-11-01
DE69213452T2 (de) 1997-01-23
CA2110583C (en) 2003-04-08

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