Determination of the absolute configuration of compounds bearing chiral quaternary carbon centers using the crystalline sponge method.

Determination of the absolute configuration of compounds bearing chiral quaternary carbon centers using the crystalline sponge method.
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DOI:
10.1039/c7sc01524k
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发表时间:
2017-07-01
期刊:
影响因子:
8.4
通讯作者:
Fujita M
Fujita M
中科院分区:
化学1区
文献类型:
--
作者:
Sairenji S;Kikuchi T;Abozeid MA;Takizawa S;Sasai H;Ando Y;Ohmatsu K;Ooi T;Fujita M

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带有手性季碳的有机化合物的绝对构型通过结晶海绵法测定。手性四取代碳中心的绝对构型的确定是不对称合成中该结构基序的对映选择性构建中最繁重的步骤之一。在这里,我们证明结晶海绵方法提供了一种有效的方法来晶体学确定通过最近开发的对映选择性催化反应合成的带有手性季碳(包括四取代的碳)的有机化合物的绝对构型。
The absolute configuration of organic compounds bearing chiral quaternary carbons is determined by the crystalline sponge method. Determination of the absolute configuration of chiral tetra-substituted carbon centers is one of the most taxing steps in the enantioselective construction of this structural motif in asymmetric synthesis. Here, we demonstrate that the crystalline sponge method provides an effective way to crystallographically determine the absolute configuration of organic compounds bearing chiral quaternary carbons (including tetra-substituted ones) that are synthesized by recently developed enantioselective catalytic reactions.
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