Base-Promoted Synthesis of Quinoline-4(1H)‑thiones from o‑Alkynylanilines and Aroyl Isothiocyanates
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A base-promoted synthesis of quinoline-4(1H)-thiones has been accomplished from the in situ generated o-alkynylthiourea, obtained by reacting o-alkynylanilines with aroyl/acyl isothiocyanates. A 6-exo-dig S-cyclization of the in situ generated thiourea is followed by a rearrangement to give quinoline-4(1H)-thiones.
创建时间：
2017-11-01
