Patenton — panteon of patents

(19)

RU

(11)

2 053 220

(13)

C1

(51)

IPC

(21) (22)

Application

5009793/04, 1991-11-21

(22)

Actual filing date

1991-11-21

(45)

Published

1996-01-27

(72)

Inventor

Andrievskij A.M.Avidon S.V.Grekhova N.G.Gorelik M.V.Glushchenko S.N.

(73)

Holder

Moskovskoe Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD FOR PRODUCTION OF 1,2-DIBROM-3,5-DINITROBENZENE Russian patent published in 1996 - IPC

Abstract RU 2053220 C1

FIELD: organic chemistry. SUBSTANCE: bromobenzene is treated by mixture of brominated agent with nitric acid or nitrate of alkali metal and sulfuric acid, mass ratio of reagent being 1:(0.5-1.5) or (1.0-3.0):(1.6-4.0) or (2.5-5.0): (10.0-70.0) respectively. The process is carried out at 5-100 C. Said brominated agent is chosen of group which contains bromine, ammonium bromide or bromide of alkali metal. EFFECT: improves efficiency of method.

Similar patents RU2053220C1

Title Year Author Number
METHOD OF SYNTHESIS OF 2-BROMO-4,6-DINITROANILINE 1991
  • Andrievskij A.M.
  • Glushchenko S.N.
  • Avidon S.V.
  • Grekhova N.G.
  • Kobrinskij I.A.
 RU2030391C1
METHOD FOR PRODUCTION OF 6-BROM-2,4-DINITROPHENOL 1991
  • Andrievskij A.M.
  • Glushchenko S.N.
  • Avidon S.V.
  • Grekhova N.G.
 RU2053221C1
METHOD FOR PRODUCTION OF 6-BROM-2-AMINO-4-NITROPHENOL 1991
  • Andrievskij A.M.
  • Glushchenko S.N.
  • Avidon S.V.
  • Grekhova N.G.
 RU2053223C1
PROCESS FOR PREPARING BROMINE-CONTAINING AROMATIC OR CONDENSED N- OR O-CONTAINING HETEROCYCLIC COMPOUNDS 0
  • Andrievskij Aleksandr Mikhajlovich
  • Gorelik Mikhail Viktorovich
  • Avidon Sergej Viktorovich
  • Nikonov Valerij Valentinovich
  • Vorozhtsov Georgij Nikolaevich
  • Linko Roman Vladislavovich
  • Chelysheva Olga Vyacheslavovna
  • Poplavskij Aleksandr Nikolaevich
  • Dyumaev Kirill Mikhajlovich
 SU1817764A3
METHOD FOR PRODUCTION OF 6-BROM-2-AMINO-4-NITROPHENOL 1992
  • Andrievskij A.M.
  • Avidon S.V.
  • Kobrinskij I.A.
  • Al'Tman E.Sh.
  • Nikonov V.V.
  • Popov B.N.
  • Ehssert V.K.
  • Shevtsova I.N.
 RU2053224C1
METHOD FOR PRODUCTION OF 6-BROM-2-AMINO-4-NITROPHENOL 1991
  • Andrievskij A.M.
  • Popov S.I.
  • Kukushkina M.L.
  • Kobrinskij I.A.
  • Lapin Ju.A.
  • Avidon S.V.
  • Glushchenko S.N.
 RU2053222C1
METHOD OF 2-BROMINE-4,6-DINITROCHLOROBENZENE SYNTHESIS 0
  • Andrievskij Aleksandr Mikhajlovich
  • Gorelik Mikhail Viktorovich
  • Avidon Sergej Viktorovich
  • Gordievskaya Evgeniya Vasilevna
  • Altman Elena Shulimovna
  • Vorozhtsov Georgij Nikolaevich
  • Dyumaev Kirill Mikhajlovich
 SU1770319A1
PROCESS FOR PREPARING AROMATIC 2-BROMOSUBSTITUTED DIAZO CONSTITUENTS 1989
  • Andrievskij A.M.
  • Gorelik M.V.
  • Arinich L.V.
  • Gordievskaja E.V.
  • Avidon S.V.
  • Nikonov V.V.
  • Kobrinskij I.A.
  • Vorozhtsov G.N.
  • Djumaev K.M.
 RU1804079C
PROCESS FOR PREPARING CYANOGROUPS CONTAINING AZO DYES 1993
  • Arinich L.V.
  • Gorelik M.V.
  • Cherenkov V.V.
  • Rjabokon' V.N.
  • Fes'Kova E.A.
  • Kuleshova N.D.
 RU2068429C1
METHOD FOR PRODUCING THIOPHENE-2 1994
  • Petrovich P.I.
  • Lantsman S.B.
 RU2074184C1

RU 2 053 220 C1

Authors

Andrievskij A.M.

Avidon S.V.

Grekhova N.G.

Gorelik M.V.

Glushchenko S.N.

Dates

1996-01-27—Published

1991-11-21—Filed

read Similar patents