Highly Enantioselective Alkylation Reaction of Enamides by Bronsted-Acid Catalysis

Highly Enantioselective Alkylation Reaction of Enamides by Bronsted-Acid Catalysis
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布朗斯台德酸催化烯酰胺的高度对映选择性烷基化反应

DOI:
10.1021/ol901892s
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发表时间:
2009-10-15
期刊:
影响因子:
5.2
通讯作者:
Gong, Liu-Zhu
Gong, Liu-Zhu
中科院分区:
化学1区
文献类型:
--
作者:
Guo, Qi-Xiang;Peng, Yun-Gui;Gong, Liu-Zhu

文献摘要

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已经描述了 H-8-BINOL 衍生的磷酸催化的烯酰胺与吲哚醇的高度对映选择性烷基化反应。衍生自 H8-BINOL 的磷酸能够使烯酰胺与吲哚醇发生不对称 α-烷基化,以高收率(高达 96%)和优异的对映选择性(高达 96% ee)得到 β-芳基 3-(3-吲哚基)丙酮。
The H-8-BINOL-derived, phosphoric acid catalyzed, highly enatioselective alkylation reaction of enamides with indolyl alcohols has been described. A phosphoric acid derived from H8-BINOL enabled an asymmetric alpha-alkylation of enamides with indolyl alcohols to give beta-aryl 3-(3-indolyl)propanones in high yields (up to 96%) and with excellent enantioselectivity (up to 96% ee).