Patent · US Active

Process for the preparation of pyrazinone thrombin inhibitor and its intermediates

US8541580B2 · kind B2 · utility

0Cited by

3References

13Claims

0Family size

Assignee

Diakron Pharmaceuticals, Inc. · US

Inventors

Reguri Buchi Reddy · Darsi, IN
Upparapalli Sampathkumar · Hyderabad, IN
Nilam Sahu · Morristown, US
Jawaji Karunakara Rao · Morristown, US
Gade Reddy · Newbury Park, US

Key dates

Filing date	Nov 2, 2010
Grant date	Sep 24, 2013
Priority date	—
Expiry date	Jul 7, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Improved process for the preparation of 3-fluoro-2-pyridylmethyl-3-(2,2-difluoro-2-(2-pyridyl)ethylamino)-6-chloropyrazin-2-one-1-acetamide of formula (I) and its intermediates is provided.

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