A compound represented by the formula
wherein R
1
, R
2
, R
3
and R
6
are the same or different and each is a hydrogen atom or a substituent; one of R
4
and R
5
is a hydrogen atom and the other is a group represented by the formula: —C(═X)—R
7
wherein X is N—O—R
8
or N—NH—R
9
wherein R
8
and R
9
are the same or different and each is a hydrogen atom or a group bonded via a carbon atom; and R
7
is a hydrogen atom or a substituent, and the like and a salt thereof have a superior IκB kinase inhibitory activity, and useful as pharmaceutical agents such as agents for preventing or treating diabetes and the like.
NOVEL BETA-LACTAMASE INHIBITOR AND PROCESS FOR PREPARING THE SAME
申请人:MEIJI SEIKA PHARMA CO., LTD.
公开号:US20150141401A1
公开(公告)日:2015-05-21
A diazabicyclooctane compound, which is a beta-lactame inhibitor, represented by the following formula (I):
wherein A represents Ra(Rb)N— or RcO—; B represents NH or NC
1-6
alkyl; C represents benzyl, H or SO
3
M, wherein M represents H, an inorganic or an organic cation; Ra and Rb represent H, C
1-6
alkyl or acyl; Rc represents C
1-6
alkyl or a heterocyclyl; A is unsubstituted or substituted with 0 to 4 substituents Fn1, wherein Fn1 represents C
1-6
alkyl, O═, or Rg-(CH
2
)
0-3
—, wherein Rg represents a heterocyclyl, phenyl, heteroaryl, acyl, RdO
2
S—, Re(Rf)N—, Re(Rf)NCO—, ReO—, ReOCO— or a protective group, wherein Rd represents C
1-6
alkyl or MO—; Re and Rf represent H or C
1-6
alkyl, and a heterocycle having at least one nitrogen atom may be formed between Ra and Rb, between Rc and B, or between Re and Rf.
Beta-lactamase inhibitor and process for preparing the same
申请人:MEIJI SEIKA PHARMA CO., LTD.
公开号:US09181250B2
公开(公告)日:2015-11-10
A diazabicyclooctane compound, which is a beta-lactame inhibitor, represented by the following formula (I):
wherein A represents Ra(Rb)N— or RcO—; B represents NH or NC1-6 alkyl; C represents benzyl, H or SO3M, wherein M represents H, an inorganic or an organic cation; Ra and Rb represent H, C1-6 alkyl or acyl; Rc represents C1-6 alkyl or a heterocyclyl; A is unsubstituted or substituted with 0 to 4 substituents Fn1, wherein Fn1 represents C1-6 alkyl, O═, or Rg-(CH2)0-3—, wherein Rg represents a heterocyclyl, phenyl, heteroaryl, acyl, RdO2S—, Re(Rf)N—, Re(Rf)NCO—, ReO—, ReOCO— or a protective group, wherein Rd represents C1-6 alkyl or MO—; Re and Rf represent H or C1-6 alkyl, and a heterocycle having at least one nitrogen atom may be formed between Ra and Rb, between Rc and B, or between Re and Rf.