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手性噁唑烷二酮衍生物作为氢键催化剂用于 1,3-二羰基化合物的对映选择性α-氨基化反应。

Enantioselective alpha-amination of 1,3-dicarbonyl compounds using squaramide derivatives as hydrogen bonding catalysts.

机构信息

Department of Chemistry, University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, USA.

出版信息

Org Lett. 2010 May 7;12(9):2028-31. doi: 10.1021/ol1005104.

DOI:10.1021/ol1005104
PMID:20359172
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2862278/
Abstract

Catalytic enantioselective alpha-hydrazination of 1,3-dicarbonyl compounds with azodicarboxylates was investigated in the presence of our newly developed hydrogen bonding catalyst, squaramide 3j. High yields and high enantioselectivities were achieved with low catalyst loading under mild conditions.

摘要

在我们新开发的氢键催化剂——螺二酰胺 3j 的存在下,研究了 1,3-二羰基化合物与重氮二甲酸酯的催化对映选择性α-酰腙化反应。在温和条件下,只需低催化剂负载量即可获得高产率和高对映选择性。

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Squaramide-catalyzed enantioselective Michael addition of diphenyl phosphite to nitroalkenes.席夫碱催化的膦酸二苯酯对硝基烯烃的对映选择性迈克尔加成反应。
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