Patent · US Active

Use of benzo five-membered nitrogen heterocyclic piperazine or piperidine derivatives

US9415047B2 · kind B2 · utility

1Cited by

2References

19Claims

0Family size

Assignees

Liaoning Emmy Biological Pharmaceutical Co., Ltd. · CN
Shenyang Emmy Pharmaceutical Research Institute Co., Ltd. · CN

Inventors

Yan Zhou · Montville, US
Lirong Zhang · 东风镇, CN
Jie Zhou · Mason, US
Xin Zhou · Shanghai, CN

Key dates

Filing date	Nov 25, 2013
Grant date	Aug 16, 2016
Priority date	—
Expiry date	Nov 25, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D417/14
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention relates to the use of a compound in formula (I) and its salts acceptable pharmaceutically in preparation of vasodilative drugs:Wherein, R1, R2, X, Y, A and B are defined in the invention.

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