METHOD FOR OBTAINING SOLUTIONS OF OTA IN A CONCENTRATED SULPHURIC ACID MEDIUM; SAID SOLUTIONS; AND METHOD FOR PREPARING ONTA
The present invention relates to a method for obtaining solutions that contain 1,2,4-triazole-5-one (3) (OTA) in concentrated sulphuric acid, said method using 3-amino-1,2,4-triazole (1) (ATA) as a precursor of OTA (3); to said solutions and to a method for preparing 3-nitro-1,2,4-triazole-5-one (4)...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The present invention relates to a method for obtaining solutions that contain 1,2,4-triazole-5-one (3) (OTA) in concentrated sulphuric acid, said method using 3-amino-1,2,4-triazole (1) (ATA) as a precursor of OTA (3); to said solutions and to a method for preparing 3-nitro-1,2,4-triazole-5-one (4) (ONTA) from said solutions.
La présente invention a pour objet : un procédé d'obtention de solutions renfermant du 1,2,4-triazol-5-one (3) (OTA) dans de l'acide sulfurique concentré; ledit procédé utilisant le 3-amino-1,2,4-triazole (1) (ATA) comme précurseur de l'OTA (3); - lesdites solutions, et - un procédé de préparation du 3-nitro-1,2,4-triazol-5-one (4) (ONTA) à partir de telles solutions. |
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