Patent · US Active

Process for preparing N-H or N-alkyl 2-propynamide

US8895780B2 · kind B2 · utility

0Cited by

0References

6Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Da Deng · Detroit, US
Juncheng Zheng · Shanghai, CN

Key dates

Filing date	Aug 29, 2013
Grant date	Nov 25, 2014
Priority date	—
Expiry date	Aug 29, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C231/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Disclosed is a method for the synthesis of N—H or N-alkyl 2-propynamides useful as intermediate in the manufacture of pharmaceutically active ingredients.

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