期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 87, 期 12, 页码 7884-7894出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.2c00544
关键词
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资金
- Natural Science Foundation of Jiangsu Province, China [BK20201383]
- National Natural Science Foundation of China [21772093]
- National Key research and Development Program of China [2016YFC0502605]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX21_0875]
A efficient and reliable method for the synthesis of diverse 2,3-substituted indanones through a rhodium-catalyzed tandem reaction has been developed. The method is compatible with various functional internal acetylenes, especially natural and functionalized alkynes derivatives, giving good yields.
Diverse 2,3-substituted indanones are accessed in an efficient and robust protocol by a rhodium-catalyzed tandem carborhodium/cyclization and intramolecular proton shift pathway. The reaction is compatible with a broad range of functional internal acetylenes, especially for natural and functionalized alkynes derivatives, affording the desired indanones in good to excellent yields. Remarkably, this reaction features very mild and sustainable conditions using water as the sole solvent and without exogenous ligands. Control studies support that indanone is formed through the intramolecular proton transfer process from the key intermediate indenol.
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