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2 122 996

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IPC

(21) (22)

Application

96117607/04, 1996-09-04

(22)

Actual filing date

1996-09-04

(45)

Published

1998-12-10

(72)

Inventor

Andosov V.V.Dragunova T.V.Rubanov D.M.Marek Eh.M.

(73)

Holder

Ural'Skij Nauchno-Issledovatel'Skij Institut Tekhnologii Meditsinskikh Preparatov

METHOD OF PREPARING 2,4,6-TRIBROMOPHENOL Russian patent published in 1998 - IPC

Abstract RU 2122996 C1

FIELD: chemical industry. SUBSTANCE: method comprises bromination of phenol when hydrogen peroxide is reacted with metal bromide in sulfuric acid solution at 20-25 C and simultaneous generation of bromine and regeneration thereof from the resulting hydrobromic acid. The method makes it possible to avoid using gaseous chlorine in the process. EFFECT: more efficient preparation method. 1 tbl

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RU 2 122 996 C1

Authors

Andosov V.V.

Dragunova T.V.

Rubanov D.M.

Marek Eh.M.

Dates

1998-12-10—Published

1996-09-04—Filed

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