期刊
ORGANIC LETTERS
卷 13, 期 15, 页码 3814-3817出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol201312y
关键词
-
资金
- National Natural Science Foundation of China [20732003, 21021001]
- Basic Research Program of China (973 Program) [2010CB833300]
A catalytic asymmetric conjugate allylation was successfully developed to synthesize potential pharmacologically active 4-allyl-2-oxochroman skeletons. A dual activation strategy was employed by using N,N'-dioxide-Yb(OTf)(3) to activate coumarins and using (CuOTf)(2)center dot C7H8 to activate tetraallyltin via transmetalation, respectively. Good yields and enantioselectivities were obtained under mild conditions.
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