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2 144 532

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Application

97110186/04, 1997-06-16

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Start date

1997-06-16

(22)

Actual filing date

1997-06-16

(45)

Published

2000-01-20

(72)

Inventor

Lukin S.L.Zinov'Ev V.M.Sirotkin L.B.Matygullin V.S.Dranichnikova R.G.Sibgatullina V.T.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Polimernykh Materialov

METHOD OF PREPARING TRANS-1,4,5,8-TETRANITROSO-1,4,5,8- TETRAAZADECALINE Russian patent published in 2000 - IPC

Abstract RU 2144532 C1

FIELD: chemical industry. SUBSTANCE: method comprises condensing glyoxal with ethylene diamine in the presence of sodium nitrite and acetic acid at temperature of 55 C and, after cooling operation, batching the reaction mixture at 19-25 C into 30-40% nitric acid. EFFECT: higher yield of product and simplified process technology. 2 cl, 18 ex, 2 tbl

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RU 2 144 532 C1

Authors

Lukin S.L.

Zinov'Ev V.M.

Sirotkin L.B.

Matygullin V.S.

Dranichnikova R.G.

Sibgatullina V.T.

Dates

2000-01-20—Published

1997-06-16—Filed