Journal
ORGANIC LETTERS
Volume 18, Issue 14, Pages 3330-3333Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b01427
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Funding
- NNSFC [21422205, 21272106]
- Program for New Century Excellent Talents in University [NCET-13-0258]
- Changjiang Scholars and Innovative Research Team in University [IRT-15R28]
- 111 project
- Fundamental Research Funds for the Central Universities [lzujbky-2016-ct02, lzujbky-2016-ct08]
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A novel, efficient, and facile vicinal sulfonamination of alkynes by the reaction of accessible 2-alkynyl arylazides with sulfinic acids in the presence of tert-butyl hydroperoxide (TBHP) has been developed. This protocol utilizes sulfinic acids as the sulfonating reagent, azidos as the aminating reagent, and TBHP as the sulfonyl radical initiator. By using this protocol, a variety of potentially bioactive 3-sulfonylindoles were facilely synthesized via direct annulation.
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