IL60467A - Process for the removal of nitrosation agent(s)from nitrated aromatic compounds - Google Patents
Process for the removal of nitrosation agent(s)from nitrated aromatic compoundsInfo
- Publication number
- IL60467A IL60467A IL60467A IL6046780A IL60467A IL 60467 A IL60467 A IL 60467A IL 60467 A IL60467 A IL 60467A IL 6046780 A IL6046780 A IL 6046780A IL 60467 A IL60467 A IL 60467A
- Authority
- IL
- Israel
- Prior art keywords
- nitrated aromatic
- removal
- temperature
- aromatic compounds
- nitrosation agent
- Prior art date
Links
- 150000001491 aromatic compounds Chemical class 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 230000009935 nitrosation Effects 0.000 title abstract 2
- 238000007034 nitrosation reaction Methods 0.000 title abstract 2
- 238000007711 solidification Methods 0.000 abstract 3
- 230000008023 solidification Effects 0.000 abstract 3
- 238000006396 nitration reaction Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
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
-
- 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
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2926947A DE2926947C2 (de) | 1979-07-04 | 1979-07-04 | Verfahren zur Entfernung von Nitrosierungsmittel (n) aus nitrierten aromatischen Verbindungen |
Publications (2)
Publication Number | Publication Date |
---|---|
IL60467A0 IL60467A0 (en) | 1980-09-16 |
IL60467A true IL60467A (en) | 1985-05-31 |
Family
ID=6074855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL60467A IL60467A (en) | 1979-07-04 | 1980-07-02 | Process for the removal of nitrosation agent(s)from nitrated aromatic compounds |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0022241B1 (enrdf_load_html_response) |
JP (1) | JPS5610145A (enrdf_load_html_response) |
BR (1) | BR8004168A (enrdf_load_html_response) |
DE (2) | DE2926947C2 (enrdf_load_html_response) |
IL (1) | IL60467A (enrdf_load_html_response) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE22551T1 (de) * | 1982-04-22 | 1986-10-15 | Oxon Italia Spa | Verfahren zur herstellung von 1-chlor-2,6-dinitro-4-(trifluormethyl)-benzol, frei von nitrosierungsmitteln. |
DE4216416C1 (enrdf_load_html_response) * | 1992-05-18 | 1993-05-13 | Bayer Ag, 5090 Leverkusen, De |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2257093A (en) * | 1937-12-31 | 1941-09-30 | Du Pont | Dinitro-benzotrifluoride compounds |
DE1092459B (de) * | 1954-02-11 | 1960-11-10 | Bofors Ab | Verfahren zum Umkristallisieren einkerniger aromatischer Di- und Trinitroverbindungen |
GB933680A (en) * | 1962-02-14 | 1963-08-08 | Wolfen Filmfab Veb | Separation of a mixture of 1, 5-and 1, 8-dinitronaphthalenes into its two components |
US3311666A (en) * | 1965-12-13 | 1967-03-28 | Phillips Petroleum Co | Separation of chloronitrobenzene isomers by crystallization and fractionation |
DE1618109B1 (de) * | 1967-03-11 | 1970-10-29 | Basf Ag | Verfahren zur Trennung von 1,5- und 1,8 Dinitronaphtalin |
US3726930A (en) * | 1970-10-29 | 1973-04-10 | United States Borax Chem | Preparation of 3,5-dinitrobenzotrifluoride compounds |
DE2635695C3 (de) * | 1976-08-07 | 1979-03-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Nitrobenzotrifluoriden, die bis zu zwei Nitrogruppen in meta-Stellung aufweisen |
IT1077080B (it) * | 1976-10-22 | 1985-04-27 | Montedison Spa | Preparazione del 2,6 dinitro 4 trifluorometil clorobenzolo per nitrazione del 4 trifluorometil clorobenzolo in uno stadio |
US4096195A (en) * | 1977-05-13 | 1978-06-20 | Gaf Corporation | Cyclic two-stage nitration process for preparing 4-chloro-3,5-dinitrobenzotrifluoride from 4-chlorobenzotrifluoride |
JPS6041974B2 (ja) * | 1977-07-05 | 1985-09-19 | 日本合成化学工業株式会社 | 溶融乾燥法により媒体中に分散する粒子を取得する方法 |
RO75656A (ro) * | 1977-07-18 | 1981-04-20 | Eli Lilly And Co,Us | Procedeu pentru purificarea unor dinitroaniline |
GB2003148B (en) * | 1977-08-17 | 1982-02-10 | Lilly Co Eli | Dinitroaniline purification with bromine and chlorine |
US4185035A (en) * | 1977-09-02 | 1980-01-22 | Eli Lilly And Company | Dinitroaniline purification with inorganic acid halides |
US4120905A (en) * | 1977-09-21 | 1978-10-17 | Eli Lilly And Company | Removal of nitrosating agents |
-
1979
- 1979-07-04 DE DE2926947A patent/DE2926947C2/de not_active Expired
-
1980
- 1980-07-01 EP EP80103727A patent/EP0022241B1/de not_active Expired
- 1980-07-01 DE DE8080103727T patent/DE3061063D1/de not_active Expired
- 1980-07-02 IL IL60467A patent/IL60467A/xx unknown
- 1980-07-03 JP JP9003880A patent/JPS5610145A/ja active Granted
- 1980-07-03 BR BR8004168A patent/BR8004168A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE2926947A1 (de) | 1981-01-08 |
EP0022241A1 (de) | 1981-01-14 |
BR8004168A (pt) | 1981-01-21 |
DE3061063D1 (en) | 1982-12-16 |
JPH0135818B2 (enrdf_load_html_response) | 1989-07-27 |
EP0022241B1 (de) | 1982-11-10 |
IL60467A0 (en) | 1980-09-16 |
DE2926947C2 (de) | 1982-03-18 |
JPS5610145A (en) | 1981-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
YU40784B (en) | Process for preparing 4,1'6',-trichloro-4,1,6'-trideoxy-galaceto saccharose | |
BR8302570A (pt) | Processo para a preparacao de 1,4-dicetopirrolo -(3,4-c)-pirrois, compostos e emprego | |
YU199880A (en) | Process for producing antiinflammaory 5-substituted 2,3-diaryl-thiophene | |
PT97707A (pt) | Processo para a preparacao de misturas asfalto-polimero estaveis | |
PT71344A (en) | Process for acrylonitrile purification | |
IL60467A (en) | Process for the removal of nitrosation agent(s)from nitrated aromatic compounds | |
EP0019281A3 (en) | Process for the removal of nitrozation agents from nitrated aromatic compounds | |
DE3070469D1 (en) | Method for the removal of impurities from liquid mixtures | |
GB2050896B (en) | Cooling blocks for semiconductor lasers | |
ZA776957B (en) | Process for the removal of impurities from aluminum melts | |
ES263227Y (es) | "refrigerador para la refrigeracion en seco de coque". | |
EP0023015A3 (en) | Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate | |
BR8005804A (pt) | Processo para o resfriamento de substancias solidas granuladas quentes | |
DE3062755D1 (en) | Process for preparing aromatic polycarbonates by the interfacial process | |
PL226254A1 (en) | Process for manufacturing novel derivatives of 1,1,2-triphenyl-propane or propene | |
PT71485A (en) | Process for the manufacture of 5,6-dihidro-1,2,4,6-tiatriazyn(5)on-1,1-with an herbicidal effect | |
FI930292A0 (fi) | Foerfarande foer att avlaegsna syra ur nitrosubstituerade aromater med hjaelp av smaelt nitratsalt | |
YU158780A (en) | Process for obtaining 3-amino-5-(4-pyridyl)-1,2,4-triazole bases | |
IL57850A0 (en) | Process for recovering 2,3,5,6-tetrachloro-pyridine | |
BR8004501A (pt) | Processo para preparacao de 1,1-dicloroalcenos | |
DE3060922D1 (en) | Process for the purification of 1,2-dichlorethane recovered during the incomplete thermal splitting in vinylchloride | |
DE3068089D1 (en) | N-(6-((acylaminoacylamino or aminoacylamino)phenyl)-1,2-dihydro-2-oxonicotinyl) cephalosporin compounds, processes for their production, and compositions containing the same | |
DE3065467D1 (en) | Processes for the production of 1,2,3-trihydroxyphenyl compounds | |
ZA80524B (en) | Process for the stabilization of novel halogenating compound | |
GB1550287A (en) | Process for the manufacture of aromatic amines |