期刊
JOURNAL OF SULFUR CHEMISTRY
卷 41, 期 3, 页码 301-309出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17415993.2020.1729761
关键词
Noroxymorphones; aminothiophenes; heterocycles; multicomponent reaction; Gewald reaction
A group of noroxymorphone derivatives were subjected to Gewald reaction conditions to prepare their respective aminothieno products. In refluxing piperidine/ethanol, 1a-g reacted with elemental sulfur and malononitrile to produce 2a-g in high yields. Reactions took place in one pot and completed within 4-7 h and products precipitated spontaneously in the reaction mixtures. [GRAPHICS] .
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