FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing 1,2,7,9-tetranitrophenothiazine-5,5-dioxide, comprising successive treatment of diphenylamine with oleum (module 1:10:15, 5 pts.vol at temperature of 110-120 °C) and concentrated nitric acid (module I pts.wt: 5 pts.vol, at temperature of 72-75 °C).
EFFECT: obtaining novel compounds.
1 cl, 1 ex
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|---|---|---|---|
| METHOD OF PRODUCING 1,3,7,9-TETRANITROPHENOTHIAZINE-5,5-DIOXIDE | 1968 |
|
SU1841204A1 |
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|
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|
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RU2316538C1 |
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|
SU1841213A1 |
