GB1579383A - Process for the manufacture of substituted benzaldehydes - Google Patents

Process for the manufacture of substituted benzaldehydes Download PDF

Info

Publication number
GB1579383A
GB1579383A GB2908077A GB2908077A GB1579383A GB 1579383 A GB1579383 A GB 1579383A GB 2908077 A GB2908077 A GB 2908077A GB 2908077 A GB2908077 A GB 2908077A GB 1579383 A GB1579383 A GB 1579383A
Authority
GB
United Kingdom
Prior art keywords
process according
carried out
bromide
reaction
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2908077A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
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
Priority claimed from CH890276A external-priority patent/CH597142A5/de
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1579383A publication Critical patent/GB1579383A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/44—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by —CHO groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/07—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
    • C07C205/11—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/39—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups
    • C07C205/42—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups having nitro groups or esterified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB2908077A 1976-07-12 1977-07-11 Process for the manufacture of substituted benzaldehydes Expired GB1579383A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH890276A CH597142A5 (en) 1976-07-12 1976-07-12 (2)-Substd. benzaldehydes by three-stage process
CH1409476 1976-11-09
CH8777 1977-01-05
CH8677 1977-01-05
CH8877 1977-01-05

Publications (1)

Publication Number Publication Date
GB1579383A true GB1579383A (en) 1980-11-19

Family

ID=27508769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2908077A Expired GB1579383A (en) 1976-07-12 1977-07-11 Process for the manufacture of substituted benzaldehydes

Country Status (7)

Country Link
JP (1) JPS5323942A (nl)
BE (1) BE856679A (nl)
BR (1) BR7704555A (nl)
DE (1) DE2731259A1 (nl)
FR (1) FR2358376A1 (nl)
GB (1) GB1579383A (nl)
NL (1) NL7707767A (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108586258A (zh) * 2018-05-31 2018-09-28 浙江新农化工股份有限公司 苄基卤代物的制备方法以及制备吡唑醚菌酯的工艺
CN111732512A (zh) * 2020-07-17 2020-10-02 山东卓俊实业有限公司 一种邻硝基苯甲醛的制备方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808930A1 (de) * 1978-03-02 1979-09-06 Bayer Ag Verfahren zur herstellung von 2-nitrobenzaldehyd
ES2041214B1 (es) * 1992-02-20 1994-06-16 Espanola Explosivos Procedimiento para la obtencion de derivados de nitrobenzaldehido.
DE19732692C2 (de) * 1997-07-30 2001-01-18 Basf Ag Verfahren zur Herstellung von 2-(Pyrazolyl-3'-oxymethylen)nitrobenzolen
JP4994528B2 (ja) * 2000-11-07 2012-08-08 日本曹達株式会社 芳香族ケトンまたはアルデヒドの製造方法
JP4841032B2 (ja) * 2000-11-07 2011-12-21 日本曹達株式会社 ２−メトキシ−４−ニトロベンツアルデヒドの製造方法
CN102329235B (zh) * 2011-06-24 2013-11-06 灌南伊斯特化工有限公司 一种对硝基苯甲醛的生产工艺
CN102329236B (zh) * 2011-06-24 2013-11-06 灌南伊斯特化工有限公司 一种邻硝基苯甲醛生产工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108586258A (zh) * 2018-05-31 2018-09-28 浙江新农化工股份有限公司 苄基卤代物的制备方法以及制备吡唑醚菌酯的工艺
CN111732512A (zh) * 2020-07-17 2020-10-02 山东卓俊实业有限公司 一种邻硝基苯甲醛的制备方法

Also Published As

Publication number Publication date
FR2358376A1 (fr) 1978-02-10
BR7704555A (pt) 1978-03-28
DE2731259A1 (de) 1978-01-26
NL7707767A (nl) 1978-01-16
BE856679A (fr) 1978-01-11
JPS5323942A (en) 1978-03-06
FR2358376B1 (nl) 1980-01-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee