期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 695, 期 8, 页码 1163-1167出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2010.01.022
关键词
C-H arylation; Aromatic esters; Ruthenium; Biaryls; Arylboronates; 2,6-Diarylbenzoic acid
资金
- MEXT [21350056]
- Grants-in-Aid for Scientific Research [21350056] Funding Source: KAKEN
The RuH2(CO)(PPh3)(3)-catalyzed C-H functionalization of aromatic esters with 5,5-dimethyl-2-aryl-[1,3,2]dioxaborinanes (arylboronates) gave the ortho arylation products. This coupling reaction can be performed with various combinations of isopropyl benzoate derivatives and arylboronates. Introduction of CF3 group in the aromatic ring increased the reactivity of the esters. Pinacolone effectively served as an acceptor of a hydride generated by C-H bond cleavage, and the amount of pinacolone used also affected the yield of the arylation product. (C) 2010 Elsevier B.V. All rights reserved.
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