Pyrimidine, quinazoline, pteridine and triazine derivatives
申请人:Binggeli Alfred
公开号:US20070225271A1
公开(公告)日:2007-09-27
This invention is concerned with compounds of the formula
wherein A, R
1
to R
5
and G are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The invention further relates to pharmaceutical compositions containing such compounds, to a process for their preparation and to their use for the treatment and/or prevention of diseases which are associated with the modulation of SST receptors subtype 5.
INDOLOACRIDINE-CONTAINING DERIVATIVE, PREPARATION PROCESS AND USE THEREOF, AND ORGANIC LUMINESCENT DEVICE
申请人:BOE TECHNOLOGY GROUP CO., LTD.
公开号:US20160046621A1
公开(公告)日:2016-02-18
The disclosure provides an indoloacridine-containing derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y, Z and W represent a carbon atom or a nitrogen atom, and at least one of W, X, Y and Z represent a nitrogen atom; R represents a phenyl group, a biphenylyl group, a naphthyl group or a phenanthryl group. The disclosure further provides a process for preparing the compound. The disclosure further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.