期刊
JOURNAL OF COMBINATORIAL CHEMISTRY
卷 11, 期 6, 页码 1007-1010出版社
AMER CHEMICAL SOC
DOI: 10.1021/cc900005v
关键词
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资金
- National Natural Science Foundation of China [20672091]
A sequential one-pot two-step tandem reaction for efficient synthesis of polysubstituted cyclopropanes has been developed. The three-component reaction of cc-halogenated methylene compounds, aromatic aldehydes, and acetonitrile derivatives produced first the intermediates pyridinium salts and electron-deficient olefins, followed by cyclopropanation of pyridinium ylide with electron-deficient olefins in situ to afford polysubstituted cyclopropanes. Target compounds were obtained in high yields and were diastereomerically pure after recrystallization.
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