Dictating Thermodynamic Control through Tethering: Applications to Stereoselective Bis‐Spiroketal Synthesis

Asari Austin H.; Floreancig Paul E.

摘要

Abstract >Approaches to stereocontrol that invoke thermodynamic control fail when two or more potential products are energetically similar, but rational structural perturbations can be employed to break the energetic degeneracy and provide selective transformations. This manuscript illustrates that tethering is an effective approach for the stereoselective construction of bis‐spiroketals with thermodynamically similar stereoisomers, providing a new approach to set remote stereocenters and prepare complex structures that have not previously been accessed stereoselectively. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >当两个或更多个潜在产品在高性能相似时，调用热力学控制的立体声控制失败，但可以采用合理的结构扰动来打破能量退化并提供选择性转化。该手稿说明了Tethering是具有热力学上相似的立体异构体的双螺旋藻的立体选择性结构的有效方法，提供了一种设置远程立体中心的新方法，并准备先前未经立体选择性访问的复杂结构。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-19011/'>《Angewandte Chemie》</a> <b style="margin: 0 2px;">|</b><span>2020年第16期</span><b style="margin: 0 2px;">|</b><span>共5页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Asari Austin H.&option=202" target="_blank" rel="nofollow">Asari Austin H.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Floreancig Paul E.&option=202" target="_blank" rel="nofollow">Floreancig Paul E.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of ChemistryUniversity of PittsburghPittsburgh PA 15260 USA;</p> <p>Department of ChemistryUniversity of PittsburghPittsburgh PA 15260 USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1188.html" title="应用化学">应用化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=cyclization&option=203" rel="nofollow">cyclization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=diastereoselectivity&option=203" rel="nofollow">diastereoselectivity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=macrocycles&option=203" rel="nofollow">macrocycles;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=oxygen heterocycles&option=203" rel="nofollow">oxygen heterocycles;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=spiro compounds&option=203" rel="nofollow">spiro compounds;</a> </p> <div class="translation"> 机译：环化;非对映射;宏杂种;氧杂环;螺旋化合物; 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<b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130425339444.html">Process for the preparation of ISATX247 mixture enriched with isomer (E), process for the preparation of ISATX247 mixture enriched with isomer (Z), process for stereoselective synthesis of isomer (E) ISATX247, process for stereoselective synthesis of isomer (Z) ISATX247 and process for the preparation a mixture of ISATX247 isomers</a> <b>[P]</b> . <span> 外国专利：  PL392749A1 </span> <span> . 2011-01-03</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：制备富含异构体的ISATX247混合物的方法（E），制备富含异构体的ISATX247混合物的方法（Z），异构体的立体选择性合成的方法（E）ISATX247，异构体的立体选择性合成的方法（Z）ISATX247和ISATX247异构体混合物的制备方法 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130487708711.html">CIRCUIT ARRANGEMENTS FOR REMOTELY CONTROLLED DICTATING INSTALLATIONS HAVING MULTIPLE SUBSCRIBER AND 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