Patent · US Active

Pyrazole synthesis by coupling of carboxylic acid derivatives and enamines

US8912342B2 · kind B2 · utility

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5Claims

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Assignee

WESTFÄLISCHE WILHELMS-UNIVERSITÄT MÜNSTER · DE

Inventors

Frank Glorius · Munster, DE
Mamta Suri · Munster, DE

Key dates

Filing date	Feb 5, 2013
Grant date	Dec 16, 2014
Priority date	—
Expiry date	Apr 15, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D405/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method of synthesizing Pyrazoles by means of the oxidative conversion of Enamines with suitable N-containing carboxylic acid derivatives in the presence of copper ions and 2-picolinic acid derivatives is provided.

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