期刊
CHEMICAL SCIENCE
卷 4, 期 5, 页码 2193-2200出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3sc50199j
关键词
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资金
- Royal Society
- EPSRC
- EU
- European Research Council under the European Union's Seventh Framework Programme ERC grant [279850]
The asymmetric annulation of a range of alpha,beta-unsaturated acyl ammonium intermediates, formed from isothiourea HBTM 2.1 and anhydrides with either 1,3-dicarbonyls, beta-ketoesters or azaaryl ketones gives either functionalised esters (upon ring opening), dihydropyranones or dihydropyridones in good yields (up to 93%) and high enantioselectivity (up to 97% ee).
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