The present invention provides a monoazo compound represented by formula (1) or a salt thereof:
wherein, Y1 and Y2 represent a group selected from hydrogen atom, formula (2) and formula (3);
-CO-E-X (3)
provided that at least one of Y1 and Y2 is a group represented by formula (2);
Z is a group selected from formulae (4), (5) and (6);
Metal-catalyzed arylations of hydrazines, hydrazones, and related substrates
申请人:——
公开号:US20010031894A1
公开(公告)日:2001-10-18
A method is provided for the transition metal-catalyzed arylation, or vinylation, of hydrazines, hydrazones, and the like. Additionally, the invention provides a conceptually novel strategy, the cornerstone of which is the transition metal-catalyzed arylation or vinylation method, for the synthesis of indoles, carbazoles, and the like. The methods and strategies of the invention may be utilized in standard, parallel, and combinatorial synthetic protocols.
Monoazo compounds and process for preparing the same
申请人:Ueno Ryuzo
公开号:US20060229439A1
公开(公告)日:2006-10-12
The present invention provides a monoazo compound represented by formula (1) or a salt thereof:
wherein, Y
1
and Y
2
represent a group selected from hydrogen atom, formula (2) and formula (3);
provided that at least one of Y
1
and Y
2
is a group represented by formula (2);
Z is a group selected from formulae (4), (5) and (6);
Purine derivatives of Formula (I), wherein the meanings for the various substituents are as disclosed in the description. These compounds are useful as JAK3 kinase inhibitors.
Method for determining bacterial endotoxin and kit therefor
申请人:Seikagaku Kogyo Co. Ltd.
公开号:EP0080649A1
公开(公告)日:1983-06-08
A method for determining a bacterial endotoxin in an assay sample by an amoebocyte lysate component of horseshoe crab in the presence or absence of a substrate for endotoxin determination, characterized by using an assay sample in the liquid state obtained by treating said assay sample with an endotoxin-free acid having a pKa25°C value of not more than 3 at a pH of not more than 3; and a kit therefore consisting essentially of a receptacle containing (a) an endotoxin-free acid having a pKa25°C value of not more than 3 for treating the assay sample and a receptacle containing (b) an amoebocyte lysate component of horseshoe crab.