Patent · US Expired

Coumarin compounds and method for preparing and using the same

US7259265B2 · kind B2 · utility

0Cited by

2References

3Claims

0Family size

Assignee

SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY, CHINESE ACADEMY OF SCIENCES · CN

Inventors

Guoqiang Lin · Nanjing, CN
Jianguang Lei · Shanghai, CN
Minghua Xu · Austin, US
Jin REN · Shanghai, CN

Key dates

Filing date	Nov 15, 2005
Grant date	Aug 21, 2007
Priority date	—
Expiry date	Nov 15, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

4-Substituted coumarin compounds having the general formula ofwhere R is H, CHO, OCH3, X, NO2, an alkyl having C1-10, —OCH2O—, an aryl being mono- or poly-substituted with CN or COOCH3 with the aryl being a phenyl, naphthyl, or azaryl, or a coumarin groupthat is substituted with R1, R2, R3, R4, with R1, R2, R3, and R4 being H, an alkyl having C1-10, X, NO2, CN, OCH3, COOCH3 or OR5, R5 being H or an alkyl having C1-10, and X being a halogen.

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