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Last Updated: September 27, 2020

DrugPatentWatch Database Preview

Patent: 7,977,336

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Summary for Patent: 7,977,336
Title:Aminopyrimidine derivatives as PLK1 inhibitors
Abstract: The present invention relates to a compound represented by Formula [I]: ##STR00001## or a pharmaceutically acceptable salt or ester thereof, wherein R.sub.1 and R.sub.2, which may be the same or different, are each a hydrogen atom, a lower alkyl group, a cycloalkyl group, or the like; R.sub.3 and R.sub.4, which may be the same or different, are each a hydrogen atom, a lower alkyl group, NR.sub.aR.sub.b, a phenyl group, a lower alkyl group substituted with a phenyl group, a 4-to 7-membered aliphatic heterocyclic group, a lower alkyl group substituted with a 4- to 7-membered aliphatic heterocyclic group, a 5-or 6-membered aromatic heterocyclic group, a lower alkyl group substituted with a 5-or 6-membered aromatic heterocyclic group, or the like; and R.sub.5 is a hydrogen atom, a cyano group, a halogen atom, or a lower alkyl group.
Inventor(s): Hashihayata; Takashi (Tsukuba, JP), Kawamura; Mikako (Tsukuba, JP), Mitsuya; Morihiro (Tsukuba, JP), Sato; Yoshiyuki (Hanamigawa-ku, JP)
Assignee: Banyu Pharmaceutical Co. Ltd (Tokyo, JP)
Application Number:12/002,546
Patent Claims:see list of patent claims

Details for Patent 7,977,336

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck ELSPAR asparaginase VIAL 101063 001 1978-01-10   Start Trial Banyu Pharmaceutical Co. Ltd (Tokyo, JP) 2026-12-28 RX search
Chiron PROLEUKIN aldesleukin VIAL 103293 001 1992-05-05   Start Trial Banyu Pharmaceutical Co. Ltd (Tokyo, JP) 2026-12-28 RX search
Genentech RITUXAN rituximab SOLUTION;INTRAVENOUS 103705 001 1997-11-26   Start Trial Banyu Pharmaceutical Co. Ltd (Tokyo, JP) 2026-12-28 RX search
Genentech RITUXAN rituximab SOLUTION;INTRAVENOUS 103705 002 1997-11-26   Start Trial Banyu Pharmaceutical Co. Ltd (Tokyo, JP) 2026-12-28 RX search
Eisai Inc ONTAK denileukin diftitox VIAL 103767 001 1999-02-05   Start Trial Banyu Pharmaceutical Co. Ltd (Tokyo, JP) 2026-12-28 RX Orphan search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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