期刊
ORGANIC LETTERS
卷 20, 期 10, 页码 2944-2947出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.8b00993
关键词
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资金
- Soonchunhyang University Research Fund
- Basic Science Research Program through the National Research Foundation of Korea [NRF-2016R1D1A1B03933723]
A novel and efficient asymmetric synthesis of 2,4-diaryl-1-benzopyrans via enantioselective decarboxylative alkylation of beta-keto acids to o-QM intermediates, followed by sequential cyclization and dehydration, has been developed. The synthetically useful chiral 2,4-diaryl-1-benzopyran derivatives were obtained in moderate to high yields and high enantioselectivities through a one-pot, two-step sequence. This approach offers a facile way to prepare chiral 2,4-diaryl-1-benzopyran derivatives with a wide range of functional group tolerance.
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