METHOD FOR PRODUCTION OF BENZOFURAN DERIVATIVE Russian patent published in 2022 - IPC C07C63/70 C07C51/363 C07D405/06 C07D405/14 

Abstract RU 2777624 C2

FIELD: chemistry.

SUBSTANCE: invention relates to intermediate compounds of formulas VIa, Iva, IIIa, and their production methods, which are used for the production of a benzofuran derivative represented by the formula Ia.

EFFECT: new compounds are obtained for the effective synthesis of benzofuran derivatives of the formula Ia with a smaller number of stages.

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RU 2 777 624 C2

Authors

Lu, Weidong

Xu, Chao

Zhang, Haoyu

Shao, Qiyun

Feng, Jun

He, Feng

Dates

2022-08-08Published

2018-11-09Filed