期刊
ORGANIC LETTERS
卷 19, 期 12, 页码 3219-3222出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b01336
关键词
-
资金
- NSFC [21372002, 21232007]
- Natural Science Foundation of Jiangsu Province [BK20160003]
- PAPD
The first catalytic asymmetric construction of the tryptanthrin skeleton has been established, taking advantage of a palladium(0)/chiral ligand-catalyzed enantioselective decarboxylative [4 + 2] cyclization of vinyl benzoxazinanones with isatins. This reaction has not only provided a direct and efficient method for constructing chiral tryptanthrin skeleta in high yields and excellent enantioselectivities (up to 97% yield, >99% ee) but also represents the first catalytic asymmetric decarboxylative cyclization of vinyl benzoxazinanones with isatins.
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