期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 356, 期 10, 页码 2214-2218出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201400341
关键词
2-arylidene-1,3-diketones; asymmetric catalysis; epoxidation; hydrogen peroxide; N,N '-dioxide-scandium(III) complexes
资金
- National Natural Science Foundation of China [21321061, 21172151]
- Minstry of Education of The People's Republic of China [NCET-11-0345]
The catalytic asymmetric epoxidation of 2-arylidene-1,3-diketones using aqueous 30% H2O2 as oxidant has been successfully realized by a N,N'dioxide-scandium(III) triflate [Sc(OTf)(3)] complex, giving the corresponding products in moderate to good yields (up to 85%) with excellent enantioselectivities (up to 99% ee) under mild reaction conditions without extra additives.
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