Chemoselective Two-directional Reaction of Bi-functionalized Substrates: Formal Ketal-selective Mukaiyama Aldol Type Reaction

Chemoselective Two-directional Reaction of Bi-functionalized Substrates: Formal Ketal-selective Mukaiyama Aldol Type Reaction
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双功能化底物的化学选择性双向反应:正式缩酮选择性Mukaiyama Aldol型反应

DOI:
10.1055/s-0035-1560478
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发表时间:
2015
期刊:
影响因子:
2
通讯作者:
Hikaru Yanai
Hikaru Yanai
中科院分区:
化学4区
文献类型:
--
作者:
T. Itoh;T. Abe;T. Nishiyama;T. Choshi;M. Ishikura;Hikaru Yanai

文献摘要

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在带有高度稳定碳离子的酸性两性离子存在下,ω,ω-二氧羰基化合物与烯酮硅基缩醛(KSA)的反应导致了不寻常的分子转化;在酮段与KSA发生取代反应,同时酮段发生硅化缩醛化反应。
In the presence of an acidic zwitterion bearing a highly stabilized carbanion, reactions of ω,ω-dialkoxy carbonyl compounds with ketene silyl acetals (KSA) resulted in an unusual molecular transformation; substitution reaction with the KSA at the ketal moiety and simultaneous silylative acetalization of the ketone moiety.