期刊
ORGANIC LETTERS
卷 11, 期 2, 页码 317-320出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol802493z
关键词
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资金
- Council of Hong Kong [CERG: PolyU5005/07P]
- PolyU Internal Competitive Research [A-PH51]
- Committee Areas of Excellence Scheme [AoE/P-10/01]
Aryl mesylates are found to be applicable as electrophiles in organosilicon-mediated coupling reactions. The catalyst system comprising 2 mol % of Pd(OAc)(2) and CM-phos supporting ligand is highly effective in catalyzing Hiyama cross-coupling of various aryl and heteroaryl mesylates. Interesting acid additive effects show that the presence of 0.25-0.50 equiv of acetic acid efficiently suppresses the mesylate decomposition and generally promotes the coupling product yields.
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