Easy Access to Indole-based Bi-Sulfurylate-Heterocyclic Scaffolds

Giacomo Mari,Lucia De Crescentini,Gianfranco Favi,Michele Mancinelli,Stefania Santeusanio,Fabio Mantellini

ASIAN JOURNAL OF ORGANIC CHEMISTRY（2022）

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摘要

New and valuable indole based sulfurylated bi-heterocyclic systems such as 4-((1H-indol-2-yl)thio)-5-oxo-4,5-dihydro-1H-pyrazoles and 3,3-dimethyl-3 ' H-spiro-indoline-2,2 '-thiazoles are regioselectively obtained under very mild conditions employing 1,2-diaza-1,3-dienes and not smelly indoline 2-thiones as starting materials.

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关键词

Cyclization, Indole, Michael addition, Pyrazol-5-one, Thiazole

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