A cobalt-catalyzed annulation of o-phenylenediamines and internal alkynes for the synthesis of quinoxalines is reported. This method provides a series of quinoxalines in good to high yields under a simple and mild reaction conditions.
CHARGE TRANSPORT COMPOSITIONS AND ELECTRONIC DEVICES MADE WITH SUCH COMPOSITIONS
申请人:Herron Norman
公开号:US20080227981A1
公开(公告)日:2008-09-18
The present invention relates to charge transport compositions. The invention further relates to electronic devices in which there is at least one active layer comprising such charge transport compositions.