Patent · US Active

Tricyclic pyrazolopyrimidine derivatives

US8445504B2 · kind B2 · utility

0Cited by

0References

30Claims

0Family size

Assignee

DAIICHI SANKYO COMPANY, LIMITED · JP

Inventors

Hitoshi Ohki · Tokyo, JP
Tooru Okayama · Chiba, JP
Masahiro Ikeda · Tokyo, JP
Masahiro Ota · Tokyo, JP
Yoshihiro Shibata · Tokyo, JP
Toshiyuki Nakanishi · Chiba, JP
Yasusi Ueda · Yokohama, JP
Nobuyuki Suzuki · Portland, US
Shinji Matuura · Yokohama, JP

Key dates

Filing date	Apr 20, 2012
Grant date	May 21, 2013
Priority date	—
Expiry date	May 27, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D495/16
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A pyrazolopyrimidine compound represented by formula (1) that inhibits the function of HSP90 as a chaperone protein and that has antitumor activity, a medicament comprising a compound represented by formula (1), a pharmaceutical composition comprising a compound represented by formula (1), and a method for treating cancer using a compound represented by formula (1).

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