N-Sulfonyl acetylketenimine as a highly reactive intermediate for the synthesis of N-sulfonyl amidines†,Chemical Communications

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N-Sulfonyl acetylketenimine as a highly reactive intermediate for the synthesis of N-sulfonyl amidines†
Chemical Communications ( IF 4.9 ) Pub Date : 2018-07-03 00:00:00 , DOI: 10.1039/c8cc04699a
Weiguang Yang _{1,

2,

3,

4,

5} , Dayun Huang _{1,

2,

3,

4,

5} , Xiaobao Zeng _{1,

2,

3,

4,

5} , Dongping Luo _{1,

2,

3,

4,

5} , Xinyan Wang _{1,

2,

3,

4,

5} , Yuefei Hu _{1,

2,

3,

4,

5}

Affiliation

A highly reactive intermediate N-sulfonyl acetylketenimine was generated from a 3-butyn-2-one participating CuAAC/ring-opening method. Its high reactivity due to bearing two EWGs allowed us to offer the first example of a reaction between ketenimine and amide to synthesize N-sulfonyl amidines efficiently.

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