期刊
RSC ADVANCES
卷 7, 期 62, 页码 39216-39220出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra08157j
关键词
-
资金
- start-up grant from Qingdao University
- National Natural Science Foundation of China [21502043]
Enantioselective organocatalytic domino reactions of in situ generated ortho-quinone methides with malononitrile and beta-functionalized ketones have been developed. This strategy could generate various chiral chromenes in high yields (up to 99%) and stereoselectivities (up to >99 : 1 e.r.) in the presence of 5 mol% of a bifunctional organocatalyst. Gram-scale and useful synthetic transformations of this process are also presented.
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