期刊
ORGANIC LETTERS
卷 13, 期 4, 页码 808-811出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol1031188
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资金
- National Science Foundation of China [20872043, 21002036, 21072069]
- National Basic Research Program of China [2011CB808600]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0953]
A catalytic asymmetric aza-Michael-Michael addition cascade of anilines to nitroolefin enoates in the presence of chiral bifunctional thiourea catalysts has been disclosed. This reaction provides a mild and efficient approach to polysubstituted chiral 4-aminobenzopyrans bearing three consecutive stereocenters in high yields with excellent stereoselectivities.
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