A Metal- and Azide-Free Multicomponent Assembly toward Regioselective Construction of 1,5-Disubstituted 1,2,3-Triazoles. 2015

Jie-Ping Wan, and Shuo Cao, and Yunyun Liu
Key Laboratory of Functional Small Organic Molecules, Ministry of Education, and College of Chemistry and Chemical Engineering, Jiangxi Normal University , Nanchang 330022, PR China.

The construction of 1,5-disubstituted 1,2,3-triazoles has been effected through the cascade dual C-N bond formation, N-N bond formation and an acyl migration-based C-C bond formation via the three-component reactions of enaminones, tosylhydrazine and primary amines. This metal- and azide-free, regioselective synthetic method proceeds in the presence of only molecular iodine.

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