POLYCYCLIC FUSED RING TYPE PI-CONJUGATED ORGANIC MATERIAL, INTERMEDIATE THEREFOR, PROCESS FOR PRODUCING POLYCYCLIC FUSED RING TYPE PI-CONJUGATED ORGANIC MATERIAL, AND PROCESS FOR PRODUCING INTERMEDIATE OF POLYCYCLIC FUSED RING TYPE PI-CONJUGATED ORGANIC MATERIAL
申请人:Yamaguchi Shigehiro
公开号:US20090143605A1
公开(公告)日:2009-06-04
A polycyclic fused ring type π-conjugated organic material (VIIa, VIIb, VIIc, VIId) is obtained in the following manner. That is, as shown in Scheme 1 below, a starting material (I) is dimetalated with an organometallic base. The starting material (I) thus dimetalated is trapped with an organosilicon reagent (i: (1) n-BuLi or t-BuLi; (2) HMe
2
SiCl). As a result, an intermediate is obtained. Thereafter, the intermediate is allowed to react with a metal reductant. This causes an intramolecular reductive cyclization reaction to proceed. As a result, a dianion intermediate is produced. The dianion intermediate is trapped with an electrophile (ii: (1) LiNaph, THF, rt, 5 min; (2) electrophile or NH
4
Cl) In this way, the polycyclic fused ring type π-conjugated organic material is obtained. The polycyclic fused ring type π-conjugated organic material, an intermediate therefor, a method for producing the polycyclic fused ring type π-conjugated organic material, and a method for producing the intermediate make it possible to provide a polycyclic fused ring type π-conjugated organic material having excellent light-emitting and charge-transporting properties.
以下是用以下方法得到的多环融合环式π-共轭有机材料(VIIa、VIIb、VIIc、VIId)。即,如下所示的方案1,起始物质(I)与有机金属碱进行二金属化。因此,这样二金属化的起始物质(I)被有机硅试剂(i:(1)n-BuLi或t-BuLi;(2)HMe2SiCl)捕获。因此,得到了一个中间体。然后,中间体被允许与金属还原剂反应。这会导致分子内还原环化反应进行。因此,产生了一个二阴离子中间体。该二阴离子中间体被电子亲和体(ii:(1)LiNaph、THF、rt、5 min;(2)电子亲和体或NH4Cl)捕获。通过这种方式,可以获得多环融合环式π-共轭有机材料。该多环融合环式π-共轭有机材料及其中间体、制备多环融合环式π-共轭有机材料的方法以及制备中间体的方法使得可以提供具有优异发光和载流特性的多环融合环式π-共轭有机材料。