期刊
ORGANOMETALLICS
卷 28, 期 7, 页码 2020-2027出版社
AMER CHEMICAL SOC
DOI: 10.1021/om800690t
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资金
- CNRS
- Ecole Polytechnique
- IDRIS [091616]
A potentially tetradentate ligand was synthesized by the addition of alpha-Li-picoline to the 2,6-bis(diphenylphosphine sulfide)-3,5-diphenylphosphinine (SPS) ligand. The corresponding Pd complex (3) was obtained by the reaction with [(COD)PdCl2]. An air-stable cationic Pd(II) complex (4) was obtained after abstraction of Cl- with silver salt. The role of the additional binding site in the stabilization of the cationic complex was explored using NMR spectroscopic and tandem ESI-MS studies combined with DFT calculations. Additionally the picoline moiety was used to tune the electronic properties of the cationic complex 7 to modify the activity in the Lewis acid-catalyzed allylation of aldehydes.
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