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[摘要]：We recently reported two unexplored reactivities of alkynes and azides. The first method reacts nucleophilic alkynes and electrophilic azides to synthesize sulfonyl-substituted 1,5-disubstituted 1,2,3-triazoles. The second method reacts electrophilic alkynes with nucleophilic azides to form alkynyl azides that immediately extrude dinitrogen to form cyanocarbenes which were trapped by O-H insertion, sulfoxide complexation, and cyclopropanation. The design and discovery of these reactions, along with key observations, is discussed herein. |
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