Journal
ORGANIC LETTERS
Volume 19, Issue 16, Pages 4343-4346Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b02028
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Funding
- National Natural Science Foundation of China [21572072, 21602064]
- Xiamen Southern Oceanographic Center [15PYY052SF01]
- Science and Technology Bureau of Xiamen City [3502Z20150054]
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A novel Ir-catalyzed annulation of imidamides with sulfonyl azides has been developed. 1,2-Disubstituted benzimidazoles could be easily obtained in up to 99% yield for more than 40 examples. The products further streamline the synthesis of molecules that are important building blocks for organic synthesis and drug discovery. This strategy features high regioselectivity, efficieney, good tolerance of functional groups, and Mild reaction conditions.
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