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Front Cover: Asymmetric Construction of Vicinal Stereocenters Containing Quaternary and Tertiary Carbons: Application to the Formal Synthesis of (–)‐Chenopodene (Eur. J. Org. Chem. /2020)
European Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2020-01-22 , DOI: 10.1002/ejoc.202000090
Kenichi Harada 1 , Daisuke Ibaragi 1 , Yui Edazawa 1 , Masanori Sakashita 1 , Ayane Nakata 1 , Miwa Kubo 1 , Rich G. Carter 2 , Yoshiyasu Fukuyama 1
Affiliation  

The Front Cover shows an enantioselective intramolecular aldol reaction of 1,7‐ketoaldehyde using proline‐derived organocatalyst “Hua‐cat”. The catalytic cycle rotates like Naruto whirlpools in Japan, giving rise to a [3.3.1]‐bicyclic compound efficiently. The obtained compound can be a key intermediate for the synthesis of terpenoids bearing vicinal stereocenters containing quaternary and tertiary carbons. More information can be found in the Communication by K. Harada, Y. Fukuyama et al.
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中文翻译:

封面:含季碳和叔碳的主要立体中心的不对称结构:(–)-天竺葵烯的形式合成中的应用(Eur。J. Org。Chem。/ 2020)

封面显示了使用脯氨酸衍生的有机催化剂“华猫”对1,7-酮醛的对映选择性分子内羟醛反应。催化循环像日本的鸣人漩涡一样旋转,有效地产生了[3.3.1]-双环化合物。所获得的化合物可以是合成带有邻位立体中心的含季碳和叔碳的萜类化合物的关键中间体。可以在K. Harada,Y. Fukuyama等人的来文中找到更多信息。
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更新日期:2020-01-23
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