期刊
MOLECULAR CATALYSIS
卷 445, 期 -, 页码 87-93出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mcat.2017.11.008
关键词
Phosphine ligand; 1,3,5-Triazine; Homogeneous catalysis; Stifle coupling; pi-interactions
资金
- JSPS KAKENHI Grant [17H03970, 16K08161]
- Grants-in-Aid for Scientific Research [16K08161, 17H03970] Funding Source: KAKEN
Highly electron-deficient and less sterically-hindered phosphine ligands with two or three 1,3,5-triazinyl groups on the phosphorus atoms have been synthesized and examined in transition metal-catalyzed reactions for the first time. Due to the lack of any hydrogens or substituents at ortho-positions of the 1,3,5-triazine towards the phosphorous atom, it is considered that the steric hindrance of the tris(triazinyl)phosphine ligand to a metal center is least among triarylphosphine ligands. In the Stille coupling of aryl iodides, these electron-poor phosphine ligands provided good product yields compared to hitherto well-known phosphine ligands. (C) 2017 Elsevier B.V. All rights reserved.
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