Patent · US Active

Method for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives

US10577320B2 · kind B2 · utility

0Cited by

7References

26Claims

0Family size

Assignee

BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

Taraneh Farida · Pulheim, DE
Martin Littmann · Middletown, US
Rafael Warsitz · Essen, DE
Michael ESSER · Leverkusen, DE
Albert Schnatterer · Leverkusen, DE

Key dates

Filing date	Apr 26, 2017
Grant date	Mar 3, 2020
Priority date	—
Expiry date	Apr 26, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D201/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to novel methods for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and also to novel intermediates and starting compounds, which are passed through or used in the method according to the invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.