FR2358376A1 - Procede de preparation de benzaldehydes ortho-substitues - Google Patents
Procede de preparation de benzaldehydes ortho-substituesInfo
- Publication number
- FR2358376A1 FR2358376A1 FR7721341A FR7721341A FR2358376A1 FR 2358376 A1 FR2358376 A1 FR 2358376A1 FR 7721341 A FR7721341 A FR 7721341A FR 7721341 A FR7721341 A FR 7721341A FR 2358376 A1 FR2358376 A1 FR 2358376A1
- Authority
- FR
- France
- Prior art keywords
- ortho
- substitutes
- benzaldehydes
- group
- preparing
- 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.)
- Granted
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)
Abstract
Procédé de préparation de benzaldéhydes qui sont substitués en position ortho par un groupe électrophile R consistant à bromer un dérivé de toluène substitué en position ortho par un groupe R pouvant être un groupe nitro, cyano ou un halogène, par irradiation avec de la lumière visible, en un mélange du monobromure et du dibromure de formules :
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 | ||
CH8677 | 1977-01-05 | ||
CH8777 | 1977-01-05 | ||
CH8877 | 1977-01-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2358376A1 true FR2358376A1 (fr) | 1978-02-10 |
FR2358376B1 FR2358376B1 (fr) | 1980-01-04 |
Family
ID=27508769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7721341A Granted FR2358376A1 (fr) | 1976-07-12 | 1977-07-11 | Procede de preparation de benzaldehydes ortho-substitues |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5323942A (fr) |
BE (1) | BE856679A (fr) |
BR (1) | BR7704555A (fr) |
DE (1) | DE2731259A1 (fr) |
FR (1) | FR2358376A1 (fr) |
GB (1) | GB1579383A (fr) |
NL (1) | NL7707767A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2041214A1 (es) * | 1992-02-20 | 1993-11-01 | Espanola Explosivos | Procedimiento para la obtencion de derivados de nitrobenzaldehido. |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2808930A1 (de) * | 1978-03-02 | 1979-09-06 | Bayer Ag | Verfahren zur herstellung von 2-nitrobenzaldehyd |
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 |
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 |
-
1977
- 1977-07-11 FR FR7721341A patent/FR2358376A1/fr active Granted
- 1977-07-11 DE DE19772731259 patent/DE2731259A1/de not_active Withdrawn
- 1977-07-11 BE BE179234A patent/BE856679A/fr unknown
- 1977-07-11 GB GB2908077A patent/GB1579383A/en not_active Expired
- 1977-07-12 JP JP8262577A patent/JPS5323942A/ja active Pending
- 1977-07-12 NL NL7707767A patent/NL7707767A/xx not_active Application Discontinuation
- 1977-07-12 BR BR7704555A patent/BR7704555A/pt unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2041214A1 (es) * | 1992-02-20 | 1993-11-01 | Espanola Explosivos | Procedimiento para la obtencion de derivados de nitrobenzaldehido. |
Also Published As
Publication number | Publication date |
---|---|
GB1579383A (en) | 1980-11-19 |
DE2731259A1 (de) | 1978-01-26 |
BR7704555A (pt) | 1978-03-28 |
FR2358376B1 (fr) | 1980-01-04 |
NL7707767A (nl) | 1978-01-16 |
BE856679A (fr) | 1978-01-11 |
JPS5323942A (en) | 1978-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |