HU190626B - Process for producing o-nitro-benzaldehyde - Google Patents

Process for producing o-nitro-benzaldehyde Download PDF

Info

Publication number
HU190626B
HU190626B HU831109A HU110983A HU190626B HU 190626 B HU190626 B HU 190626B HU 831109 A HU831109 A HU 831109A HU 110983 A HU110983 A HU 110983A HU 190626 B HU190626 B HU 190626B
Authority
HU
Hungary
Prior art keywords
nitrobenzaldehyde
weight
parts
acetal
carried out
Prior art date
Application number
HU831109A
Other languages
English (en)
Hungarian (hu)
Inventor
Michael Preiss
Wolfgang Gau
Horst Behre
Original Assignee
Bayer Ag,De
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 Bayer Ag,De filed Critical Bayer Ag,De
Publication of HU190626B publication Critical patent/HU190626B/hu

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)
  • Hydrogenated Pyridines (AREA)
HU831109A 1982-04-01 1983-03-31 Process for producing o-nitro-benzaldehyde HU190626B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823212069 DE3212069A1 (de) 1982-04-01 1982-04-01 Verfahren zur herstellung von o-nitrobenzaldehyd

Publications (1)

Publication Number Publication Date
HU190626B true HU190626B (en) 1986-09-29

Family

ID=6159932

Family Applications (1)

Application Number Title Priority Date Filing Date
HU831109A HU190626B (en) 1982-04-01 1983-03-31 Process for producing o-nitro-benzaldehyde

Country Status (14)

Country Link
US (1) US4450297A (en, 2012)
EP (1) EP0091575B1 (en, 2012)
JP (1) JPS58177940A (en, 2012)
KR (1) KR900008112B1 (en, 2012)
AT (1) ATE25075T1 (en, 2012)
CA (1) CA1186698A (en, 2012)
DD (1) DD209616A5 (en, 2012)
DE (2) DE3212069A1 (en, 2012)
DK (1) DK156824C (en, 2012)
ES (1) ES521186A0 (en, 2012)
FI (1) FI76548C (en, 2012)
HU (1) HU190626B (en, 2012)
IL (1) IL68257A (en, 2012)
NO (1) NO155803B (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714783A (en) * 1986-05-12 1987-12-22 Uop Inc. Separation of nitrobenzaldehyde isomers
DE4434848A1 (de) * 1994-09-29 1996-04-04 Bayer Ag Verfahren zur Trennung von Nitrobenzaldehyd-Isomerengemischen
DE10244439A1 (de) * 2002-09-24 2004-03-25 Mathys Orthopädie GmbH Keramische Endoprothesenkomponenten und Verfahren zu ihrer Herstellung
CN102786372A (zh) * 2011-12-30 2012-11-21 青岛科技大学 间硝基苯甲醛衍生物的合成

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE116124C (en, 2012) *
US1509412A (en) * 1920-01-24 1924-09-23 Nat Aniline & Chem Co Inc Production of meta-nitrobenzaldehyde
GB1154315A (en) * 1965-06-09 1969-06-04 Hoffmann La Roche Benzodiazepine Derivatives Preparation
AR204859A1 (es) * 1974-03-28 1976-03-05 Bayer Ag Procedimiento para la produccion de 2-nitrobenzaldehido
DE2808930A1 (de) * 1978-03-02 1979-09-06 Bayer Ag Verfahren zur herstellung von 2-nitrobenzaldehyd

Also Published As

Publication number Publication date
DK156824C (da) 1990-02-26
KR840004056A (ko) 1984-10-06
FI76548C (fi) 1988-11-10
FI831103A0 (fi) 1983-03-30
FI831103L (fi) 1983-10-02
DD209616A5 (de) 1984-05-16
JPS58177940A (ja) 1983-10-18
ES8401925A1 (es) 1984-01-01
DK148983D0 (da) 1983-03-30
DK156824B (da) 1989-10-09
IL68257A0 (en) 1983-06-15
KR900008112B1 (ko) 1990-10-31
FI76548B (fi) 1988-07-29
EP0091575B1 (de) 1987-01-21
DK148983A (da) 1983-10-02
DE3369313D1 (en) 1987-02-26
ES521186A0 (es) 1984-01-01
NO830951L (no) 1983-10-03
ATE25075T1 (de) 1987-02-15
CA1186698A (en) 1985-05-07
US4450297A (en) 1984-05-22
EP0091575A1 (de) 1983-10-19
IL68257A (en) 1985-09-29
NO155803B (no) 1987-02-23
JPH0229065B2 (en, 2012) 1990-06-27
DE3212069A1 (de) 1983-10-06

Similar Documents

Publication Publication Date Title
EP0765872B1 (en) Processes for producing 1-substituted 2-cyanoimidazole compounds
US5196607A (en) Process for preparing ketone enantiomer
US5663441A (en) Production of mono-N-alkyl-dinitroalkylanilines and N-alkyl-dinitroaniline derivatives
HU190626B (en) Process for producing o-nitro-benzaldehyde
JPH06219987A (ja) α−フルオロ−β−ジカルボニル化合物の製造方法
JPH0625068A (ja) 置換されたインダノン類の製造方法およびその用途
EP0855379B1 (en) Methods for the preparation of benzophenone derivatives
US4851588A (en) Novel process for the preparation of bronopol
RU2026284C1 (ru) Способ получения сложных алкиловых эфиров 3-хлорантраниловой кислоты
JP4418048B2 (ja) 13−シス−レチノイン酸の製造方法
JPH07165688A (ja) 5−フルオルアントラニル酸アルキルエステル及び/ または5−フルオルアントラニル酸の製造方法
US4691062A (en) Process for the production of 4-chloro-butanals
US5162572A (en) Process for preparation of nitroacetate
HU200582B (en) New process for producing dihydroxyacyl benzenes as intermediate products of leukotriene antagonists
JP4221782B2 (ja) ジハロトリフルオロアセトンの精製方法
EP0169602A1 (en) Preparation of n-substituted azetidine 3-carboxylic acid derivatives
US4297503A (en) Novel benzamide derivative and method of preparing metoclopramide using same
JPH0586000A (ja) 2−アミノ−4−フルオロ安息香酸の製造方法
US4254279A (en) Ester resolution process
Frazier et al. The Preparation and Reaction of Some Substituted Benzotrifluorides
JPS6152811B2 (en, 2012)
JPH0259816B2 (en, 2012)
JPS6261019B2 (en, 2012)
JP2003335730A (ja) 2,4,5−トリフルオロ3−メチル−6−ニトロ安息香酸の製造方法
JPH05238975A (ja) 置換ビニルベンゼンの製造方法

Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee