IP Library › Granted Patent US 9,284,273
Granted Patent B2
US 9,284,273 · App. 14/676,179 · Granted Mar 15, 2016

Compounds useful for producing an optically active diazabicyclooctane compound

Inventors: Takao Abe (Kanagawa, JP); Masayuki Okue (Kanagawa, JP); Yoshiaki Sakamaki (Kanagawa, JP)
Assignee: MEIJI SEIKA PHARMA CO., LTD.
C07D211/60C07D471/08
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Quick Facts
Patent No.
US 9,284,273
App. No.
14/676,179
Granted
Mar 15, 2016
Kind
B2
Abstract

A compound of the following compound (B): wherein tBu represents a tert-butyl group. A compound of the following compound (C): wherein tBu represents a tert-butyl group, and TFA represents a trifluoroacetyl group.

Claims (4)

1. A compound of the following formula (B):

wherein tBu represents a tert-butyl group.

2. A compound of the following formula (C):

wherein tBu represents a tert-butyl group, and TFA represents a trifluoroacetyl group.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 1, 2015
From: ABE, TAKAO; OKUE, MASAYUKI; SAKAMAKI, YOSHIAKI
To: MEIJI SEIKA PHARMA CO., LTD.
Reel/Frame 035312/0051 →
Continuity (4)
Division 14287380 · May 27, 2014
Division 13173002 · Jun 30, 2011
Continuation 61459954 · Dec 22, 2010
Related Publication 20150239840A1 · Aug 27, 2015