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IPC

C07D279/34(2006-01-01)

(21) (22)

Application

0001513361, 1969-12-22

(22)

Actual filing date

1969-12-22

(45)

Published

2016-10-20

(72)

Inventor

Abdrakhmanov Ildus ShafikovichTikhomirova Nina PavlovnaDubenkova Nina AlekseevnaFrolova Margarita Aleksandrovna

METHOD OF PRODUCING 1,3,7,9-TETRANITROPHENOTHIAZINE-5,5-DIOXIDE Russian patent published in 2016 - IPC C07D279/34

Abstract SU 1841200 A1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing 1,3,7,9-tetranitrophenothiazine-5,5-dioxide, comprising successive treatment of phenothiazine-5,5-dioxide with 98 % nitric acid and 102-104 % oleum.

EFFECT: technical result is more stable end product and high output.

1 cl, 1 ex

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SU 1 841 200 A1

Authors

Abdrakhmanov Ildus Shafikovich

Tikhomirova Nina Pavlovna

Dubenkova Nina Alekseevna

Frolova Margarita Aleksandrovna

Dates

2016-10-20—Published

1969-12-22—Filed