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1 685 080

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IPC

(21) (22)

Application

4813505/04, 1990-02-13

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Actual filing date

1990-02-13

(45)

Published

1995-06-19

(72)

Inventor

Filippova S.M.Shkuro V.G.Militsin I.A.Antipanova V.E.Sorokin V.I.Shevnitsyn L.S.Smirnov V.V.Bezsolitsen V.P.Savran V.I.Fedotov V.P.Valitov R.B.Magid A.B.Kandyba G.L.Lipin V.G.Latfullin R.Z.

(73)

Holder

Cheboksarskoe Proizvodstvennoe Ob"Edinenie

METHOD OF SYNTHESIS OF SUBSTITUTED N-(HETEROCYCLO)AMINOCARBONYLARYLSULFONAMIDES Russian patent published in 1995 - IPC

Abstract SU 1685080 A3

FIELD: organic chemistry. SUBSTANCE: process is carried out by phosgenation of corresponding arylsulfonamide in chlorobenzene or dichlorobenzene in the presence of catalysts, mono-, di- or polyamines by two stages: at 60-70 and 125-135 C following by addition of corresponding aminoheterocycle to the reaction mixture. The yield of the end product is increased by 10-38% EFFECT: increased yield of the end products, simplified process. 1 dwg

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SU 1 685 080 A3

Authors

Filippova S.M.

Shkuro V.G.

Militsin I.A.

Antipanova V.E.

Sorokin V.I.

Shevnitsyn L.S.

Smirnov V.V.

Bezsolitsen V.P.

Savran V.I.

Fedotov V.P.

Valitov R.B.

Magid A.B.

Kandyba G.L.

Lipin V.G.

Latfullin R.Z.

Dates

1995-06-19—Published

1990-02-13—Filed