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Pyridines Bearing Poly(ethylene glycol) Chains: Synthesis and Use as Ligands
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2020-03-18 , DOI: 10.1002/ajoc.202000062
Motoi Satou 1 , Arata Kiyooka 1 , Yasushi Tsuji 1 , Tetsuaki Fujihara 1
Affiliation  

A series of pyridine ligands bearing poly(ethylene glycol) (PEG) chains at the para position was synthesized and characterized by NMR and ESI‐HRMS analysis. 1H NMR analysis showed that pyridines coordinate to Pd(OAc)2 even when a long PEG chain is attached to the pyridine ring. In the Pd‐catalyzed oxidation of alcohols, the pyridines bearing longer PEG chains were found to be efficient ligands.

中文翻译:

带有聚乙二醇链的吡啶:合成和用作配体

一系列吡啶配体轴承的聚(乙二醇)(PEG)链的的对位位置的合成和表征通过NMR和ESI-HRMS分析。1 H NMR分析表明,即使长的PEG链连接在吡啶环上,吡啶也能与Pd(OAc)2配位。在Pd催化的醇氧化反应中,发现带有较长PEG链的吡啶是有效的配体。
更新日期:2020-03-18
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