FIELD: organic chemistry; pharmaceutics.
SUBSTANCE: invention relates to a method of producing benzodifurazan of formula 1. Method involves cyclisation of 2,5,6-tris(hydroxyimino)cyclohex-3-en-1-one hydrate or benzo[c][1,2,5]oxadiazole-4,7-dione dioxime by boiling for 20–30 hours in an aqueous solution of hydroxylamine to obtain benzodifurazan.
EFFECT: obtaining benzodifurazan using an efficient method.
1 cl, 3 ex, 4 dwg
1
Title | Year | Author | Number |
---|---|---|---|
METHOD TO PRODUCE 3, 4-BIS(3-AMINOFURAZAN-4-YL)-FURAZAN AND ITS N, N'-DIACYL DERIVATIVES | 2012 |
|
RU2489428C1 |
HETEROCYCLIC COMPOUNDS (VARIANTS), PHARMACEUTICAL COMPOSITION AND METHOD FOR TREATMENT OF DISEASES ASSOCIATED WITH METABOTHROPHIC GLUTAMATE RECEPTORS | 2000 |
|
RU2296127C9 |
SALTS OF BENZOFUROXANE WITH LOMEFLOXACIN, HAVING ANTIBACTERIAL ACTIVITY | 2015 |
|
RU2602804C1 |
1,2,5-OXADIAZOLO[3,4-D]PYRIDAZINE-5,6-DIOXIDE DERIVATIVES AS ACTIVATORS OF SOLUBLE FORM OF GUANYLATE-CYCLASE AND AGENTS ACTIVE IN TREATMENT OF CENTRAL NERVOUS SYSTEM, AND COMPOSITIONS BASED ON THESE COMPOUNDS | 1997 |
|
RU2165256C2 |
SALTS OF 5-NITRAMINO-[1,2,3]TRIAZOLO[4,5-C][1,2,5]OXADIAZOLE AND METHOD FOR THEIR PREPARATION | 2023 |
|
RU2812574C1 |
4H-BIS[1,2,5]OXADIAZOLO[3,4-b:3',4'-f]AZEPINE-8,9-DIAMINE DERIVATIVES AND METHOD FOR PRODUCTION THEREOF | 2012 |
|
RU2499799C2 |
METHOD FOR PREPARATION OF 4,7-DIBROMO[1,2,5]THIADIAZOLO[3,4-D]PYRIDAZINE | 2018 |
|
RU2668978C1 |
DERIVATIVES OF 3,4-BIS-(FURAZAN-3-YL)FUROXANE PRODUCING NITROGEN OXIDE, ACTIVATING GUANYLATE CYCLASE SOLUBLE FORM, INHIBITING PLATELET AGGREGATION AND ELICITING SPASMOLYTIC, VASODILATING, HYPOTENSIVE EFFECT AND PHARMACEUTICAL COMPOSITION BASED ON THEREOF | 2002 |
|
RU2240321C2 |
ORGANIC LIGHT EMITTING DIODE | 2020 |
|
RU2752951C1 |
(Z)-9-AROYL-8-HYDROXY-6-(2-HYDROXYPHENYL)-2-(((Z)-2-OXOINDOLIN-3-YLIDENE)HYDRAZONO)-1-THIA-3,6-DIAZASPIRO[4.4 ]NON-8-EN-4,7-DIONES WITH ANTIMICROBIAL ACTIVITY | 2021 |
|
RU2763739C1 |
Authors
Dates
2024-06-26—Published
2023-10-13—Filed