期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 21, 期 47, 页码 16801-16806出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201502995
关键词
amination; heterocycles; iodonium salts; pyrazoles
资金
- Lendulet Research Scholarship, HAS [LP2012-48/2012]
- [TET-10-1-2011-0245]
A new synthetic method was developed for the N-arylation of pyrazoles using diaryliodonium salts. The transformation does not require any transition-metal catalyst and provides the desired N-arylpyrazoles rapidly under mild reaction condition in the presence of aqueous ammonia solution as a mild base without the use of inert atmosphere. The chemoselectivity of unsymmetric diaryliodonium salts was also explored with large number of examples.
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