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Enantioselective PCCP Brønsted acid-catalyzed aminalization of aldehydes
Beilstein Journal of Organic Chemistry ( IF 2.2 ) Pub Date : 2021-09-16 , DOI: 10.3762/bjoc.17.160
Martin Kamlar 1 , Robert Reiberger 1 , Martin Nigríni 1 , Ivana Císařová 2 , Jan Veselý 1
Affiliation  

Here we present an enantioselective aminalization of aldehydes catalyzed by Brønsted acids based on pentacarboxycyclopentadienes (PCCPs). The cyclization reaction using readily available anthranilamides as building blocks provides access to valuable 2,3-dihydroquinazolinones containing one stereogenic carbon center with good enantioselectivity (ee up to 80%) and excellent yields (up to 97%).

中文翻译:


对映选择性 PCCP 布朗斯台德酸催化醛胺化



在这里,我们提出了基于五羧基环戊二烯(PCCP)的布朗斯台德酸催化的醛的对映选择性胺醛化。使用容易获得的邻氨基苯甲酰胺作为结构单元的环化反应提供了有价值的2,3-二氢喹唑啉酮,其含有一个立体异构碳中心,具有良好的对映选择性(ee高达80%)和优异的产率(高达97%)。
更新日期:2021-09-16
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