SU477156A1 - Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine - Google Patents
Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridineInfo
- Publication number
- SU477156A1 SU477156A1 SU1964479A SU1964479A SU477156A1 SU 477156 A1 SU477156 A1 SU 477156A1 SU 1964479 A SU1964479 A SU 1964479A SU 1964479 A SU1964479 A SU 1964479A SU 477156 A1 SU477156 A1 SU 477156A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- amino
- trichloropyridine
- bromo
- preparing
- bromide
- Prior art date
Links
Landscapes
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
3 ( 276) и ионов, образзющихс путем отрыва атома брома и аминогруппы. Предмет изооретени Способ получени 4-амино-2-бром-3,5,б-три- 5 хлорпиридина, отличающийс тем, что 4 2,4-диамино-3,б,6-трихлорпиридин подвер-гают диазотированию азотистокислым калием в растворе бромистоводород1 ой кислоты, содержащ бромид щелочного металла, например бромистый калий, с последуюодим выделением целевого .продукта известными приемами.3 (276) and ions formed by the detachment of a bromine atom and an amino group. Subject of isoretration A method of obtaining 4-amino-2-bromo-3,5, b-tri-5 chloropyridine, characterized in that 4 2,4-diamino-3, b, 6-trichloropyridine is subjected to diazotization with potassium nitrous acid in a solution of hydrogen bromide. Alkali metal bromide containing acid, such as potassium bromide, followed by isolation of the desired product by known methods.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1964479A SU477156A1 (en) | 1973-10-23 | 1973-10-23 | Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1964479A SU477156A1 (en) | 1973-10-23 | 1973-10-23 | Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine |
Publications (1)
Publication Number | Publication Date |
---|---|
SU477156A1 true SU477156A1 (en) | 1975-07-15 |
Family
ID=20566068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1964479A SU477156A1 (en) | 1973-10-23 | 1973-10-23 | Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU477156A1 (en) |
-
1973
- 1973-10-23 SU SU1964479A patent/SU477156A1/en active
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