期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 60, 期 2, 页码 758-765出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202011138
关键词
amino oxidation; iron; sulfinamides; sustainable catalysis; thiols
资金
- Max-Planck-Institut fur Kohlenforschung
- ETH Zurich
- Swiss National Science Foundation [SNSF 184658]
- Alexander von Humboldt Foundation
- Projekt DEAL
An iron catalyzed reaction has been developed for the selective transformation of thiols to sulfinamides by a direct transfer of -O and free -NH2 groups. It operates under mild conditions, exhibits broad functional group tolerance, and does not require precious metal catalysts or additional oxidants. Preliminary mechanistic studies suggest the role of the alcoholic solvent as an oxygen atom donor.
An iron catalyzed reaction for the selective transformation of thiols (-SH) to sulfinamides (-SONH2) by a direct transfer of -O and free -NH2 groups has been developed. The reaction operates under mild conditions using a bench stable hydroxylamine derived reagent, exhibits broad functional group tolerance, is scalable and proceeds without the use of any precious metal catalyst or additional oxidant. This novel, practical reaction leads to the formation of two distinct new bonds (S=O and S-N) in a single step to chemoselectively form valuable, unprotected sulfinamide products. Preliminary mechanistic studies implicate the role of the alcoholic solvent as an oxygen atom donor.
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