Primary Amine-Catalyzed Biginelli Reaction for the Enantioselective Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones.
Primary Amine-Catalyzed Biginelli Reaction for the Enantioselective Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones.
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DOI:
10.1002/ejoc.201000448
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发表时间:
2010-07-01
影响因子:
2.8
通讯作者:
Zhao, Cong-Gui
中科院分区:
文献类型:
--
作者:
Ding, Derong;Zhao, Cong-Gui
Several chiral primary amines, mainly those derived from the cinchona alkaloids, were evaluated as the organocatalysts for the asymmetric Biginelli reaction. With the quinine-derived amine catalyst 1 and after extensive optimization of the reaction conditions, 3,4-dihydropyrimidin-2(1H)-ones were obtained in moderate to good yields and 51–78% ee from a three-component reaction of aryl and aliphatic aldehydes, urea, and acetoacetate.
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影响因子:
15
作者:
Li, Nan;Chen, Xiao-Hua;Gong, Liu-Zhu
通讯作者:
Gong, Liu-Zhu
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通讯作者:
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