USPatentGranted
B2

Nicotinamide derivative or salt thereof

Granted 8 Jul 2014 · 4 office actions

Current assignee: Fujifilm · originally Fujifilm Holdings Corporation

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Inventors: Hiyoku Nakata, Yasutaka Baba, Yohei Kubo, Takashi Tamura +8 · Examiner: Kahsay Habte · AU 1624 · TC 1600

Life of the patent

12 dated events
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Abstract

An object of the present invention is to provide to a compound and a pharmaceutical composition, which have excellent Syk-inhibitory activity. The present invention provides a nicotinamide derivative represented by the following formula (I) (wherein R 1 represents a halogen atom; R 2 represents a C 1-12 alkyl group, a C 2-12 alkenyl group, a C 2-12 alkynyl group, a C 3-8 cycloalkyl group, an aryl group, an ar-C 1-6 alkyl group or a heterocyclic group, each optionally having at least one substituent; R 3 represents an aryl group or a heterocyclic group each optionally having at least one substituent; and R 4 and R 5 each independently represent a hydrogen atom; and R 2 and R 4 may form a cyclic amino group optionally having at least one substituent together with the nitrogen atom to which they bind) or a salt thereof, and a pharmaceutical composition for use in the treatment of a Syk-related disease which comprises the nicotinamide derivative or a salt thereof.

Claims

29 · 5 independent · depth 5
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29 granted claims

Classifications

13 codes
IPC · International Patent Classification
Section C — Chemistry; metallurgy
  • C07D213/82
USPC · US Patent Classification
514/332514/338546/268.1514/339546/256546/255514/336514/333514/353546/264514/337546/306

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File wrapper

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Pendency
1.5 y
557 days filing → grant
Office actions
2
after a restriction
Responses
2
1 RCE
Examiner
Kahsay Habte
art unit 1624 · TC 1600
Citations: 34 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20130116430 A19 May 2013

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