NOVEL ORGANIC HETEROCYCLIC COMPOUND AND LIGHT-EMITTING DEVICE COMPRISING SAME
申请人:SFC CO., LTD.
公开号:US20180072753A1
公开(公告)日:2018-03-15
The present invention relates to an organic light-emitting compound represented by [Chemical Formula A] and an organic light-emitting device. In Chemical Formula, A, X, Y, Z, and the substituents R
1
to R
8
, and R
11
to R
20
are as defined in the specification.
Exploiting the π-Acceptor Properties of Carbene-Stabilized Phosphorus Centered Trications [L<sub>3</sub>P] <sup>3+</sup>: Applications in Pt(II) Catalysis
Reaction of tris(dimethylaminocyclopropenium) substituted phosphine 1 with K2PtCl4 afforded the bench stable complex 3 which upon treatment with Ag[CB11H6Cl6] turned out to be an excellent catalyst for the transformation of a variety of ortho-biaryl substituted alkynes into polycyclic homo- and heteroarenes of different size, shape, and curvature through a 6-endo-dig cyclization. This constitutes the first example ever reported of using a P-1-centered trication as ligand in catalysis. The strong pi-acceptor character of 1 that derives from its three positive charges substantially increases the intrinsic pi-acidity of Pt in complex 1.PtCl2 and dramatically enhances its ability to activate pi-systems toward nucleophilic attack. As a consequence, a remarkable acceleration of the model transformation is observed when compared with other classical pi-acceptor ligands such as P(OPh)(3) or P(C6F5)(3). Moreover, the employment of 1 as ligand also expands the scope of this reaction to previously inaccessible substitution patterns. Kinetic studies and deuterium labeling experiments as well as density functional theory (DFT) calculations were performed in order to explain these findings.
Tedjamulia, Marvin L.; Tominaga, Yoshinori; Castle, Raymond N., Journal of Heterocyclic Chemistry, 1983, vol. 20, p. 861 - 866
作者:Tedjamulia, Marvin L.、Tominaga, Yoshinori、Castle, Raymond N.、Lee, Milton L.
DOI:——
日期:——
PRATAP, RAM;LEE, M. L.;CASTLE, R. N., J. HETEROCYCL. CHEM., 1982, 19, N 1, 219-220
作者:PRATAP, RAM、LEE, M. L.、CASTLE, R. N.
DOI:——
日期:——
TEDJAMULIA, M. L.;TOMINAGA, YOSHINORI;CASTLE, R. N.;LEE, M. L., J. HETEROCYCL. CHEM., 1983, 20, N 4, 861-866
作者:TEDJAMULIA, M. L.、TOMINAGA, YOSHINORI、CASTLE, R. N.、LEE, M. L.