Patent · US Active

Efficient process for the preparation of sitagliptin

US11174266B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

F.I.S. Fabbrica Italiana Sintetici S.p.A. · IT

Inventors

Terry Shi · Zhejiang, CN
Sam Lou · Zhejiang, CN
Ottorino De Lucchi · Montecchio Maggiore, IT
Pierluigi Padovan · Montecchio Maggiore, IT

Key dates

Filing date	Jan 11, 2019
Grant date	Nov 16, 2021
Priority date	—
Expiry date	Jan 11, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12P17/165
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Object of the present invention is an efficient process for the preparation of the active pharmaceutical ingredient Sitagliptine and the 2,4,5-trifluorophenylacetic acid (TFAA) and salt thereof, which is a key intermediate for the synthesis of Sitagliptine.

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