METHOD OF PRODUCING BENZODIFURAZAN Russian patent published in 2024 - IPC C07D271/12 C07D498/04 

Abstract RU 2821795 C1

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

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RU 2 821 795 C1

Authors

Samsonov Vladimir Anatolevich

Dates

2024-06-26Published

2023-10-13Filed