SU477156A1 - Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine - Google Patents

Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine

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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
Application number
SU1964479A
Other languages
Russian (ru)
Inventor
Петр Сергеевич Хохлов
Галина Дмитриевна Соколова
Original Assignee
Всесоюзный научно-исследовательский институт фитопатологии
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Всесоюзный научно-исследовательский институт фитопатологии filed Critical Всесоюзный научно-исследовательский институт фитопатологии
Priority to SU1964479A priority Critical patent/SU477156A1/en
Application granted granted Critical
Publication of SU477156A1 publication Critical patent/SU477156A1/en

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  • 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.

SU1964479A 1973-10-23 1973-10-23 Method for preparing 4-amino-2-bromo 3,5,6-trichloropyridine SU477156A1 (en)

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)

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