ZA722064B - Process for the removal of primary arylamine impurity from a diarylamine - Google Patents
Process for the removal of primary arylamine impurity from a diarylamineInfo
- Publication number
- ZA722064B ZA722064B ZA722064A ZA722064A ZA722064B ZA 722064 B ZA722064 B ZA 722064B ZA 722064 A ZA722064 A ZA 722064A ZA 722064 A ZA722064 A ZA 722064A ZA 722064 B ZA722064 B ZA 722064B
- Authority
- ZA
- South Africa
- Prior art keywords
- diarylamine
- impurity
- removal
- primary arylamine
- arylamine
- Prior art date
Links
- 150000004982 aromatic amines Chemical class 0.000 title 1
- 125000005266 diarylamine group Chemical group 0.000 title 1
- 239000012535 impurity Substances 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB894171A GB1385474A (en) | 1971-04-07 | 1971-04-07 | Process for reducing the primary amine content of diarylamines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA722064B true ZA722064B (en) | 1973-01-31 |
Family
ID=9862283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA722064A ZA722064B (en) | 1971-04-07 | 1972-03-27 | Process for the removal of primary arylamine impurity from a diarylamine |
Country Status (14)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004212494B2 (en) * | 2003-02-10 | 2011-03-17 | Vertex Pharmaceuticals Incorporated | Processes for the preparation of N-heteroaryl-N-aryl-amines by reacting an N-aryl carbamic acid ester with a halo-heteroaryl and analogous processes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB792830A (en) * | 1955-03-08 | 1958-04-02 | Leda Chemicals Ltd | Method of separating aromatic secondary amines from mixtures of aromatic primary and secondary amines |
-
1971
- 1971-04-07 GB GB894171A patent/GB1385474A/en not_active Expired
-
1972
- 1972-03-27 ZA ZA722064A patent/ZA722064B/xx unknown
- 1972-03-30 AU AU40614/72A patent/AU463392B2/en not_active Expired
- 1972-03-30 DE DE19722215734 patent/DE2215734B2/de active Granted
- 1972-03-31 IT IT2274672A patent/IT965044B/it active
- 1972-04-04 CS CS223572A patent/CS166811B2/cs unknown
- 1972-04-05 BR BR119172A patent/BR7201191D0/pt unknown
- 1972-04-05 NL NL7204515A patent/NL7204515A/xx not_active Application Discontinuation
- 1972-04-05 BR BR199172A patent/BR7201991D0/pt unknown
- 1972-04-06 AR AR24133872A patent/AR192241A1/es active
- 1972-04-06 FR FR7212079A patent/FR2136204A5/fr not_active Expired
- 1972-04-06 SU SU1769933A patent/SU517247A3/ru active
- 1972-04-07 DD DD16213472A patent/DD99353A5/xx unknown
- 1972-04-07 BE BE781853A patent/BE781853A/xx unknown
- 1972-04-07 CA CA139,255A patent/CA1011344A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2215734C3 (enrdf_load_stackoverflow) | 1989-10-12 |
| DE2215734A1 (de) | 1972-10-19 |
| FR2136204A5 (enrdf_load_stackoverflow) | 1972-12-22 |
| GB1385474A (en) | 1975-02-26 |
| AU463392B2 (en) | 1975-07-08 |
| DE2215734B2 (de) | 1980-03-27 |
| NL7204515A (enrdf_load_stackoverflow) | 1972-10-10 |
| BR7201191D0 (pt) | 1973-06-21 |
| BR7201991D0 (pt) | 1974-10-29 |
| CA1011344A (en) | 1977-05-31 |
| BE781853A (fr) | 1972-10-09 |
| DD99353A5 (enrdf_load_stackoverflow) | 1973-08-05 |
| CS166811B2 (enrdf_load_stackoverflow) | 1976-03-29 |
| AR192241A1 (es) | 1973-02-08 |
| AU4061472A (en) | 1973-10-04 |
| SU517247A3 (ru) | 1976-06-05 |
| IT965044B (it) | 1974-01-31 |
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