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2 007 385

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C1

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IPC

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Application

4622747/04, 1988-12-30

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Actual filing date

1988-12-30

(45)

Published

1994-02-15

(72)

Inventor

Andrievskij A.M.Gorelik M.V.Gordievskaja E.V.Al'Tman E.Sh.Avidon S.V.Vorozhtsov G.N.Djumaev K.M.

(73)

Holder

Moskovskoe Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD OF 2-BROMO-4,6-DINITROANILINE SYNTHESIS Russian patent published in 1994 - IPC

Abstract RU 2007385 C1

FIELD: organic chemistry. SUBSTANCE: product: 2-bromo-4,6-dinitroaniline, m. p. is 149-151 C and 150-151 C, yield is 85-90% . Product contains less than 0,5% bromochlorodinitrobenzene. Reagent 1: chloro-2-bromo-4,6-dinitrobenzene. Reagent 2: aqueous ammonia solution. Reaction conditions: aqueous or aqueous-organic medium, at 86-90 C, disperser, which is stable in alkaline media. EFFECT: enhanced yield of product, simplified technology due to excluding of gaseous ammonia and dry alcohol use.

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RU 2 007 385 C1

Authors

Andrievskij A.M.

Gorelik M.V.

Gordievskaja E.V.

Al'Tman E.Sh.

Avidon S.V.

Vorozhtsov G.N.

Djumaev K.M.

Dates

1994-02-15—Published

1988-12-30—Filed

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