期刊
ORGANIC LETTERS
卷 19, 期 4, 页码 774-777出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b03735
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资金
- DST-SERB, New Delhi [EMR/2015/000061]
- USER Bhopal
- UGC, CSIR, New Delhi
Transition-metal-free synthetic methods have been developed for the preparation of unsymmetrical diaryl and aryl alkyl chalcogenides: sulfones, sulfides, and selenides from the sp(3)-C-H bond of oxindole, tetralone, arylacetamide, and aryl chalcogenide precursors. Sulfones were obtained from sodium sulfinates using potassium iodide, tert-butyl hydroperoxide in DMSO, and acetic acid. Sulfides and selenides were prepared from diaryl disulfides or diselenides employing potassium tert-butoxide in DMSO. a-Tetralone underwent concomitant chalcogenation and aromatization resulting in 2-chalcogeny1-1-naphthols in one pot.
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