期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 79, 期 9, 页码 4161-4166出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo500355k
关键词
-
资金
- National Institutes of Health [GM46059, GM58160]
A series of phosphine-ligated palladium precatalysts based on N-methyl- and N-phenyl-2-aminobiphenyl have been developed. Substitution at the nitrogen center prevents the presence of traces of aminobiphenyls that contain a free -NH2 group from contaminating cross-coupling products. These precatalysts produce N-substituted carbazoles upon activation, which cannot consume starting materials. These precatalysts were efficiently generated from 2-aminobiphenyl with minimal purification and found to be highly effective in Suzuki-Miyaura and C-N cross-coupling reactions.
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