Enantioselective boronate additions to N-acyl quinoliniums catalyzed by tartaric acid.

Enantioselective boronate additions to N-acyl quinoliniums catalyzed by tartaric acid.
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用tart酸催化的N-酰基喹啉添加对映选择性富有硼酸盐。

DOI:
10.1021/ol2028702
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发表时间:
2011-12-02
期刊:
影响因子:
5.2
通讯作者:
Schaus SE
Schaus SE
中科院分区:
化学1区
文献类型:
--
作者:
Kodama T;Moquist PN;Schaus SE

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酒石酸催化乙烯基硼酸酯对N-酰基喹啉的不对称加成,得到高度对映体富集的二氢喹啉。该催化剂用于通过配体交换反应活化硼酸酯,并从稳定的喹啉衍生的N,O-缩醛原位生成N-酰基喹啉鎓。
Tartaric acid catalyzes the asymmetric addition of vinylboronates to N-acyl quinoliniums, affording highly enantioenriched dihydroquinolines. The catalyst serves to activate the boronate through a ligand-exchange reaction and generates the N-acyl quinolinium in situ from the stable quinoline-derived N,O-acetal.