JPS532427A - Preparation of phenylenediamine - Google Patents
Preparation of phenylenediamineInfo
- Publication number
- JPS532427A JPS532427A JP7441276A JP7441276A JPS532427A JP S532427 A JPS532427 A JP S532427A JP 7441276 A JP7441276 A JP 7441276A JP 7441276 A JP7441276 A JP 7441276A JP S532427 A JPS532427 A JP S532427A
- Authority
- JP
- Japan
- Prior art keywords
- phenylenediamine
- preparation
- nitrohalogenobenzenes
- catalysts
- reduction
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: The title compound is industrially prepared in high yield with one-stage process by the direct reaction of nitrohalogenobenzenes with NH3 and H2 (the partial pressure is 0.5 - 10 kg/cm2) in the presence of catalysts for the reduction.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7441276A JPS532427A (en) | 1976-06-25 | 1976-06-25 | Preparation of phenylenediamine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7441276A JPS532427A (en) | 1976-06-25 | 1976-06-25 | Preparation of phenylenediamine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS532427A true JPS532427A (en) | 1978-01-11 |
Family
ID=13546443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7441276A Pending JPS532427A (en) | 1976-06-25 | 1976-06-25 | Preparation of phenylenediamine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS532427A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2526790A1 (en) * | 1982-05-12 | 1983-11-18 | Magyar Asvanyolaj Es Foeldgaz | PROCESS FOR THE PREPARATION OF O-PHENYLENEDIAMINE |
-
1976
- 1976-06-25 JP JP7441276A patent/JPS532427A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2526790A1 (en) * | 1982-05-12 | 1983-11-18 | Magyar Asvanyolaj Es Foeldgaz | PROCESS FOR THE PREPARATION OF O-PHENYLENEDIAMINE |
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