IT987455B - Procedimento per purificare p nitrofenolo - Google Patents
Procedimento per purificare p nitrofenoloInfo
- Publication number
- IT987455B IT987455B IT24108/73A IT2410873A IT987455B IT 987455 B IT987455 B IT 987455B IT 24108/73 A IT24108/73 A IT 24108/73A IT 2410873 A IT2410873 A IT 2410873A IT 987455 B IT987455 B IT 987455B
- Authority
- IT
- Italy
- Prior art keywords
- nitrophenol
- cooling
- water
- crystals
- separating
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/13—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups
- C07C205/20—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C07C205/21—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings having nitro groups and hydroxy groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
- C07C205/22—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings having nitro groups and hydroxy groups bound to carbon atoms of the same non-condensed six-membered aromatic ring having one nitro groups bound to the ring
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 |
|---|---|---|---|
| FR7217254A FR2185063A5 (it) | 1972-05-15 | 1972-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT987455B true IT987455B (it) | 1975-02-20 |
Family
ID=9098502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT24108/73A IT987455B (it) | 1972-05-15 | 1973-05-15 | Procedimento per purificare p nitrofenolo |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3933929A (it) |
| JP (1) | JPS5124492B2 (it) |
| BE (1) | BE799510A (it) |
| BR (1) | BR7303326D0 (it) |
| FR (1) | FR2185063A5 (it) |
| GB (1) | GB1387390A (it) |
| IT (1) | IT987455B (it) |
| NL (1) | NL7306351A (it) |
| ZA (1) | ZA733228B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5393947A (en) * | 1977-01-26 | 1978-08-17 | Okuma Seisakujiyo Kk | Rail running toy controller |
| FR3109580B1 (fr) | 2020-04-27 | 2023-03-10 | Ipsomedic | Procédé de synthèse du paracétamol en continu |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE677461C (de) * | 1935-08-09 | 1939-06-30 | Stickstoffduenger Ag F | Herstellung von hochprozentigem Carbid |
| US2868844A (en) * | 1957-01-22 | 1959-01-13 | Ethyl Corp | Selective nitration process |
| US3510527A (en) * | 1967-05-18 | 1970-05-05 | Hercules Inc | Preparation of p-nitrophenols |
| US3752858A (en) * | 1970-04-13 | 1973-08-14 | Ethyl Corp | Phenol nitration process |
-
1972
- 1972-05-15 FR FR7217254A patent/FR2185063A5/fr not_active Expired
-
1973
- 1973-05-07 NL NL7306351A patent/NL7306351A/xx not_active Application Discontinuation
- 1973-05-08 BR BR3326/73A patent/BR7303326D0/pt unknown
- 1973-05-11 JP JP48051754A patent/JPS5124492B2/ja not_active Expired
- 1973-05-14 GB GB2288173A patent/GB1387390A/en not_active Expired
- 1973-05-14 BE BE131091A patent/BE799510A/xx not_active IP Right Cessation
- 1973-05-14 US US05/360,097 patent/US3933929A/en not_active Expired - Lifetime
- 1973-05-14 ZA ZA733228A patent/ZA733228B/xx unknown
- 1973-05-15 IT IT24108/73A patent/IT987455B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| ZA733228B (en) | 1974-03-27 |
| FR2185063A5 (it) | 1973-12-28 |
| BE799510A (fr) | 1973-11-14 |
| JPS4961127A (it) | 1974-06-13 |
| DE2324501A1 (de) | 1973-11-29 |
| GB1387390A (en) | 1975-03-19 |
| DE2324501B2 (de) | 1975-07-17 |
| NL7306351A (it) | 1973-11-19 |
| JPS5124492B2 (it) | 1976-07-24 |
| US3933929A (en) | 1976-01-20 |
| BR7303326D0 (pt) | 1974-07-18 |
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