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2 024 482

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C1

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IPC

(21) (22)

Application

4933724/04, 1991-05-05

(22)

Actual filing date

1991-05-05

(45)

Published

1994-12-15

(72)

Inventor

Afanas'Eva V.L.Glushkov R.G.Erofeev Ju.V.Kovaleva S.S.

(73)

Holder

Tsentr Po Khimii Lekarstvennykh Sredstv

METHOD OF SYNTHESIS OF 3-BROMO-4-HYDROXYBENZALDEHYDE Russian patent published in 1994 - IPC

Abstract RU 2024482 C1

FIELD: organic chemistry. SUBSTANCE: product: 3-bromo-4-hydroxybenzaldehyde. Reagent 1: bromine. Reaction conditions: in the presence of hydrogen peroxide at its molar ratio to aldehyde and bromine = (0.53-0.58): 1: (0.53-0.58), in the medium of chlorohydrocarbon, at temperature 0 C. Synthesized product is used in medicine. EFFECT: improved method of synthesis. 1 tbl

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RU 2 024 482 C1

Authors

Afanas'Eva V.L.

Glushkov R.G.

Erofeev Ju.V.

Kovaleva S.S.

Dates

1994-12-15—Published

1991-05-05—Filed

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