Patent · US Expired

4-thio coumarins

US7148253B2 · kind B2 · utility

0Cited by

5References

31Claims

0Family size

Assignee

XTL BIOPHARMACEUTICALS LTD. · IL

Inventors

Jie Wu · Freeport, US
Zhen Yang · Lo Wu, CN
Reza Fathi · Oradell, US
Qiang Zhu · Wantage, US

Key dates

Filing date	Jan 6, 2004
Grant date	Dec 12, 2006
Priority date	—
Expiry date	Jan 6, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D311/54
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

4-Thio substituted coumarin derivatives, 4,5-dithio substituted coumarin derivatives, and coumarin dimers are provided, as well as processes for their preparation. The invention also provides a method and composition for the treatment of hepatitis C virus (HCV) by adiministering 4-thio substituted coumarin derivatives, 4,5-dithio substituted coumarin derivatives, and coumarin dimers.

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