期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 9, 期 14, 页码 5260-5265出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ob05444a
关键词
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资金
- National Science Foundation of China [20932008]
- ministry of Science and Technology of China [2011CB808600]
- Chinese Academy of Sciences
The triphenylphosphine-catalyzed formal [3 + 2] cycloaddition of allenoates and trifluoromethylketones was realized to give the corresponding dihydrofurans in good yields with excellent gamma-regioselectivities. Hydrogenation of the dihydrofurans gave 2,4,4-trisubstituted tetrahydrofurans in good yields with exclusive cis-selectivities.
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