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1 695 634

(13)

A3

(51)

IPC

(21) (22)

Application

4319215/04, 1987-04-17

(22)

Actual filing date

1987-04-17

(45)

Published

1994-03-15

(72)

Inventor

Nedospasov A.A.Rodina E.V.

(73)

Holder

Institut Molekuljarnoj Genetiki Ran

METHOD OF 1-AMINONAPHTHALENE-5-SULFAMIDES SYNTHESIS Russian patent published in 1994 - IPC

Abstract SU 1695634 A3

FIELD: organic chemistry. SUBSTANCE: synthesis is carried out by reaction of decarbobenzoxylation of corresponding 1-carbobenzoxyaminonaphthalene-5-sulfamide with catalytic hydrogenation on Pd/C or Pd/Al2O3 with hydrogen or its donor taken from a group cyclohexadiene-1,4 or H-C(O)-0NH4. Process is carried out by transport hydrogenation in the medium of dimethylformamide under atmospheric pressure. Under these conditions assortment of synthesized substances is enlarged (yield is 60-98% ), waste level is decreased, available initial reagents are used. EFFECT: enlarged assortment, enhanced yield, simplified process. 4 tbl

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SU 1 695 634 A3

Authors

Nedospasov A.A.

Rodina E.V.

Dates

1994-03-15—Published

1987-04-17—Filed

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