Cycloaddition of sulfonyl azides and cyanogen azide to enamines. Quantum-chemical calculations concerning the spontaneous rearrangement of the adduct into ring-contracted amidines

Gérard Audran,Chiaa Adiche,Paul Brémond,Douniazad El Abed,Mohammed Hamadouche,Didier Siri,Maurice Santelli

Tetrahedron Letters（2017）

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摘要

•Cycloaddition reaction of sulfonyl azides and cyanogen azide with enamines.•Quantum-chemical calculations concerning the spontaneous ring-contraction of 5-amino-v-triazolines.•Opening of 5-amino-v-triazolines into zwitterions.

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关键词

Enamines,Azides,Amidines,Ring contraction,Quantum chemical calculations

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