3-ARYL-6H-SPIRO[BENZO[b]FURO[3',4':2,3]PYRROLO[1,2-d][1,4]OXAZINE 5,3'-INDOLINE]-1,2,2',6-TETRAONES WITH ANTI-INFLAMMATORY ACTIVITY, AND THE METHOD FOR THEIR PREPARATION Russian patent published in 2022 - IPC C07D498/22 A61K31/5383 A61P29/00 

Abstract RU 2770902 C1

FIELD: organic chemistry.

SUBSTANCE: invention relates to the field of organic chemistry, namely to a spiro-fused compound of the formula Ia-Ic, where R1=CH3, R2=H (Ia); R1=H, R2=Br (Ib); R1=Cl, R2=Br (Ic). The invention also relates to a method for obtaining a compound of the formula Ia-Ic.

EFFECT: production of new compounds that can be used both as starting products for the synthesis of new heterocyclic systems, and in pharmacology as having anti-inflammatory activity.

3 cl, 2 tbl, 4 ex

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RU 2 770 902 C1

Authors

Mashevskaya Irina Vladimirovna

Apushkin Danila Yurevich

Andreev Aleksandr Igorevich

Topanov Pavel Andreevich

Dates

2022-04-25Published

2021-05-24Filed