期刊
CHEMICAL COMMUNICATIONS
卷 53, 期 80, 页码 11060-11063出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc06081e
关键词
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资金
- MoES, New Delhi [09-DS/03/2014PC-IV]
- UGC
- CSIR
A regio- and stereoselective thiocyanate addition to ynones is achieved using KSCN in AcOH at 70 degrees C. The reaction is extendable to ynals, ynesulfones, ynoic acids and ynoates. Adducts from ynones were readily transformed into thiazine-2-thione derivatives under slightly modified reaction conditions. In contrast, thiocyanated adducts from ynamides underwent an in situ decyanative amido cyclization towards isothiazolones. None of these events needed any transition metal or catalyst, attaining a high synthetic value.
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