IE832078L - Removing nitrosating agents from aromatic nitro derivatives - Google Patents
Removing nitrosating agents from aromatic nitro derivativesInfo
- Publication number
- IE832078L IE832078L IE832078A IE207883A IE832078L IE 832078 L IE832078 L IE 832078L IE 832078 A IE832078 A IE 832078A IE 207883 A IE207883 A IE 207883A IE 832078 L IE832078 L IE 832078L
- Authority
- IE
- Ireland
- Prior art keywords
- aromatic nitro
- nitro derivatives
- represent
- nitrosating agents
- equal
- Prior art date
Links
Classifications
-
- 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
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
1. A process for removing nitrosating agents from aromatic nitro derivatives, characterized in that a crude product is treated which has been isolated after its fabrication and substantially made free from residual nitric acid originated from the nitration phase, consisting essentially of a compound of the general formula : see diagramm : EP0105008,P5,F1 in which : - the symbols R, which are identical or different, represent a hydrogen or halogen atom, an alkyl radical containing from 1 to 4 carbon atoms or the trifluoromethyl, sulphonamido or methylsulphonyl group, and - m, n, p and q each represent an integer equal to 0 or 1, it also being possible for q to be equal to 2, with a base at the rate of 0.1 to 50 mol % relative to the crude aromatic nitro derivative, in solution in an inert organic solvent.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8215319A FR2532645B1 (en) | 1982-09-07 | 1982-09-07 | PROCESS FOR THE REMOVAL OF NITROSANTS FROM NITRATED AROMATIC COMPOUNDS |
Publications (2)
Publication Number | Publication Date |
---|---|
IE832078L true IE832078L (en) | 1984-03-07 |
IE56482B1 IE56482B1 (en) | 1991-08-14 |
Family
ID=9277337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE2078/83A IE56482B1 (en) | 1982-09-07 | 1983-09-05 | Process for removing nitrosating agents from aromatic nitro compounds |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0105008B1 (en) |
AT (1) | ATE18899T1 (en) |
DE (1) | DE3362796D1 (en) |
DK (1) | DK404683A (en) |
FR (1) | FR2532645B1 (en) |
IE (1) | IE56482B1 (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR790561A (en) * | 1934-06-02 | 1935-11-23 | Lonza Ag | Industrial nitrobenzene purification process |
US2194923A (en) * | 1938-03-24 | 1940-03-26 | Squibb & Sons Inc | 3-nitro-4-alkyl phenols and process for making them |
US2416309A (en) * | 1941-08-29 | 1947-02-25 | Dow Chemical Co | Alkylamine salts of dinitrophenols |
US2798793A (en) * | 1954-09-09 | 1957-07-09 | Carl E Moore | Polynitrophenols |
US2796446A (en) * | 1956-03-05 | 1957-06-18 | Dow Chemical Co | Dialkyl nitrophenol product and method |
US2868844A (en) * | 1957-01-22 | 1959-01-13 | Ethyl Corp | Selective nitration process |
GB1080282A (en) * | 1963-06-22 | 1967-08-23 | Murphy Chemical Ltd | Dinitro carbonates,carboxylates and thioesters and pesticidal or herbicidal compositions |
BE663054A (en) * | 1964-05-06 | 1965-10-26 | ||
GB1100494A (en) * | 1966-01-20 | 1968-01-24 | Ici Ltd | Purification of meta-dinitro monocyclic aromatic compounds |
US3499762A (en) * | 1966-11-03 | 1970-03-10 | Eastman Kodak Co | Photographic elements comprising novel u.v.-absorbing optical brightening agents |
GB1165637A (en) * | 1967-07-19 | 1969-10-01 | Coalite Chem Prod Ltd | Production of Nitrophenols. |
-
1982
- 1982-09-07 FR FR8215319A patent/FR2532645B1/en not_active Expired
-
1983
- 1983-08-11 DE DE8383420140T patent/DE3362796D1/en not_active Expired
- 1983-08-11 EP EP83420140A patent/EP0105008B1/en not_active Expired
- 1983-08-11 AT AT83420140T patent/ATE18899T1/en active
- 1983-09-05 IE IE2078/83A patent/IE56482B1/en not_active IP Right Cessation
- 1983-09-06 DK DK404683A patent/DK404683A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2532645B1 (en) | 1985-09-27 |
EP0105008A1 (en) | 1984-04-04 |
DK404683D0 (en) | 1983-09-06 |
ATE18899T1 (en) | 1986-04-15 |
EP0105008B1 (en) | 1986-04-02 |
DE3362796D1 (en) | 1986-05-07 |
DK404683A (en) | 1984-03-08 |
FR2532645A1 (en) | 1984-03-09 |
IE56482B1 (en) | 1991-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |