Synthesis of Pyrroles from Terminal Alkynes, N-Sulfonyl Azides, and Alkenyl Alkyl Ethers through 1-Sulfonyl-1,2,3-triazoles
Cheol-Eui Kim, Sangjune Park, Dahan Eom, Boram Seo and Phil Ho Lee*
*Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea, Email: phleekangwon.ac.kr
C.-E. Kim, S. Park, D. Eom, B. Seo, P. H. Lee, Org. Lett., 2014, 16, 1900-1903.
DOI: 10.1021/ol500718s (free Supporting Information)
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1-Sulfonyl-1,2,3-triazoles alkynes gave α-imino rhodium carbene complexes, which afforded substituted pyrroles when reacted with alkenyl alkyl ethers. The method can be efficiently applied to a one-pot sequential reaction starting from terminal alkynes.
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