LV11831A - 3,4-dihidroksi-5-nitrobenzaldehida iegusanas panemiens - Google Patents

3,4-dihidroksi-5-nitrobenzaldehida iegusanas panemiens

Info

Publication number
LV11831A
LV11831A LV970054A LV970054A LV11831A LV 11831 A LV11831 A LV 11831A LV 970054 A LV970054 A LV 970054A LV 970054 A LV970054 A LV 970054A LV 11831 A LV11831 A LV 11831A
Authority
LV
Latvia
Prior art keywords
nitrobenzaldehyde
pct
dihydroxy
date
yield
Prior art date
Application number
LV970054A
Other languages
English (en)
Other versions
LV11831B (en
Inventor
Reijo Johannes Baackstroom
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 LV11831A publication Critical patent/LV11831A/lv
Publication of LV11831B publication Critical patent/LV11831B/en

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
    • 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
    • C07C201/16Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
LVP-97-54A 1994-09-23 1997-04-03 New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde LV11831B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9419274A GB9419274D0 (en) 1994-09-23 1994-09-23 New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
PCT/FI1995/000513 WO1996009274A1 (en) 1994-09-23 1995-09-20 New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde

Publications (2)

Publication Number Publication Date
LV11831A true LV11831A (lv) 1997-08-20
LV11831B LV11831B (en) 1997-12-20

Family

ID=10761838

Family Applications (1)

Application Number Title Priority Date Filing Date
LVP-97-54A LV11831B (en) 1994-09-23 1997-04-03 New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde

Country Status (28)

Country Link
US (1) US5710343A (lv)
EP (1) EP0782559B1 (lv)
JP (1) JP3717933B2 (lv)
KR (1) KR100368163B1 (lv)
CN (1) CN1064673C (lv)
AT (1) ATE175660T1 (lv)
AU (1) AU684672B2 (lv)
BG (1) BG61912B1 (lv)
BR (1) BR9508852A (lv)
CA (1) CA2200227C (lv)
CZ (1) CZ288684B6 (lv)
DE (1) DE69507309T2 (lv)
DK (1) DK0782559T3 (lv)
ES (1) ES2127552T3 (lv)
GB (1) GB9419274D0 (lv)
GR (1) GR3029815T3 (lv)
HU (1) HU224821B1 (lv)
IL (1) IL115122A (lv)
LV (1) LV11831B (lv)
MX (1) MX9702064A (lv)
NO (1) NO306670B1 (lv)
NZ (1) NZ292187A (lv)
PL (1) PL180016B1 (lv)
RO (1) RO119540B1 (lv)
RU (1) RU2130449C1 (lv)
SI (1) SI9520102A (lv)
SK (1) SK281789B6 (lv)
WO (1) WO1996009274A1 (lv)

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
ES2644049T3 (es) * 2007-01-31 2017-11-27 Bial - Portela & Ca., S.A. Régimen de dosificación para inhibidores de COMT
EP2251323B1 (en) 2009-05-14 2014-04-23 F.I.S.- Fabbrica Italiana Sintetici S.p.A. Method for the purification of entacapone
CN102633646B (zh) * 2012-04-10 2014-06-04 中国海洋大学 一种新的5-硝基水杨醛制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1330382A (fr) * 1961-06-21 1963-06-21 Monsanto Chemicals Procédé de clivage des éthers d'alcoyle o-hydroxyphényle et de préparation simultanée de composés 1-alkyl-2,3-dihydroxyphényliques
NO107714C (lv) * 1961-06-21
US4213920A (en) * 1977-07-06 1980-07-22 Ciba-Geigy Corporation Process for the production of substituted benzaldehydes
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
DE4012008A1 (de) * 1990-04-13 1991-10-17 Bayer Ag Verfahren zur herstellung von o-hydroxy-benzaldehyden
GB9113431D0 (en) * 1991-06-20 1991-08-07 Orion Yhytma Oy Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
PT551034E (pt) * 1991-12-12 2001-01-31 Hoechst Marion Roussel Inc Antibioticos cefalosporinas com um radical benziloxiimino substituido na posicao 7
GB9419274D0 (en) * 1994-09-23 1994-11-09 Orion Yhtymae Oy New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde

Also Published As

Publication number Publication date
SI9520102A (en) 1997-08-31
KR100368163B1 (ko) 2003-03-26
PL319348A1 (en) 1997-08-04
CA2200227C (en) 2005-09-13
EP0782559B1 (en) 1999-01-13
US5710343A (en) 1998-01-20
DK0782559T3 (da) 1999-08-30
MX9702064A (es) 1997-10-31
DE69507309T2 (de) 1999-07-15
PL180016B1 (en) 2000-11-30
GR3029815T3 (en) 1999-06-30
GB9419274D0 (en) 1994-11-09
LV11831B (en) 1997-12-20
RO119540B1 (ro) 2004-12-30
NO971325D0 (no) 1997-03-21
NZ292187A (en) 1997-12-19
WO1996009274A1 (en) 1996-03-28
CZ80097A3 (cs) 1998-03-18
ATE175660T1 (de) 1999-01-15
IL115122A (en) 1999-07-14
HU224821B1 (en) 2006-02-28
JPH10505849A (ja) 1998-06-09
DE69507309D1 (de) 1999-02-25
HUT77441A (hu) 1998-04-28
IL115122A0 (en) 1995-12-08
CA2200227A1 (en) 1996-03-28
BG61912B1 (bg) 1998-09-30
NO971325L (no) 1997-03-21
EP0782559A1 (en) 1997-07-09
NO306670B1 (no) 1999-12-06
AU684672B2 (en) 1997-12-18
CZ288684B6 (cs) 2001-08-15
SK281789B6 (sk) 2001-08-06
BR9508852A (pt) 1999-05-04
RU2130449C1 (ru) 1999-05-20
BG101309A (en) 1997-10-31
SK37897A3 (en) 1997-11-05
CN1064673C (zh) 2001-04-18
JP3717933B2 (ja) 2005-11-16
CN1164852A (zh) 1997-11-12
ES2127552T3 (es) 1999-04-16
KR970706234A (ko) 1997-11-03
AU3390195A (en) 1996-04-09

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