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2 072 349

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C1

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IPC

(21) (22)

Application

94011143/04, 1994-03-25

(22)

Actual filing date

1994-03-25

(45)

Published

1997-01-27

(72)

Inventor

Valeshnij S.I.Demina T.A.Gan'Kin Ju.A.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij Institut

PROCESS FOR PREPARING ORTHO- OR PARA-NITROBENZALDEHYDE AND 2-NITRO-2-OXYMETHYLPROPANE DIOL-1,3 Russian patent published in 1997 - IPC

Abstract RU 2072349 C1

FIELD: synthesis of medicinal agents. SUBSTANCE: 2-nitro-2- oxymethylpropane diol and ortho- or para- nitrobenzaldehyde. Yields are 97, 99 and 100% respectively. Reagent 1: ortho-beta-dinitrostyrene. Reagent 2: formaldehyde. Reaction conditions: in the presence of NaOH. EFFECT: more efficient preparation process. 2 tbl

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RU 2 072 349 C1

Authors

Valeshnij S.I.

Demina T.A.

Gan'Kin Ju.A.

Dates

1997-01-27—Published

1994-03-25—Filed

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