OPTICALLY PURE OXASPIRO-SUBSTITUTED PYRROLOPYRAZOLE DERIVATIVE, A METHOD OF ITS PRODUCTION AND ITS PHARMACEUTICAL USE Russian patent published in 2023 - IPC C07D487/04 A61K31/4162 A61K31/4439 A61K31/4433 A61P29/00 A61P25/04 

Abstract RU 2800295 C1

FIELD: pharmaceuticals.

SUBSTANCE: invention relates to a compound represented in formula (I) or a pharmaceutically acceptable salt thereof, wherein Ra and Rb are each independently either hydrogen or C1-3alkyl; Rc is either hydrogen or C1-3alkyl; and * indicates either R or S configuration. The invention also relates to the intermediates represented in formulas (I-1) and (II-1).

EFFECT: new compounds have been obtained that can be used in medicine as therapeutic agents for the treatment and prevention of pain and diseases associated with pain.

26 cl, 2 dwg, 2 tbl, 8 ex

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RU 2 800 295 C1

Authors

Hu, Bin

Zhang, Kai

Guan, Huiping

Dates

2023-07-19Published

2021-01-15Filed