Selective Acceptorless Dehydrogenation of Primary Amines to Imines by Core–Shell Cobalt Nanoparticles

Cui Xinjiang; Li Wu; Junge Kathrin; Fei Zhaofu; Beller Matthias; Dyson Paul J.

摘要

Abstract >Core–shell nanocatalysts are attractive due to their versatility and stability. Here, we describe cobalt nanoparticles encapsulated within graphitic shells prepared via the pyrolysis of a cationic poly‐ionic liquid (PIL) with a cobalt(II) chloride anion. The resulting material has a core–shell structure that displays excellent activity and selectivity in the self‐dehydrogenation and hetero‐dehydrogenation of primary amines to their corresponding imines. Furthermore, the catalyst exhibits excellent activity in the synthesis of secondary imines from substrates with various reducible functional groups (C=C, C≡C and C≡N) and amino acid derivatives. </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> >核心壳纳米催化剂由于它们的多功能性和稳定性而具有吸引力。这里，我们描述了通过用阳离子聚离子液体（Pil）的热解制备的石墨壳内的钴纳米粒子用氯化钴阴离子。所得材料具有核壳结构，其在其对相应的亚胺中显示出自脱氢和杂脱氢的优异的活性和选择性。此外，催化剂在具有各种可还原官能团（C = C，C 1C和C 1N）和氨基酸衍生物的底物中具有优异的活性。</ 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19期</span><b style="margin: 0 2px;">|</b><span>共7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=Cui Xinjiang&option=202" target="_blank" rel="nofollow">Cui Xinjiang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Wu&option=202" target="_blank" rel="nofollow">Li Wu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Junge Kathrin&option=202" target="_blank" rel="nofollow">Junge Kathrin;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fei Zhaofu&option=202" target="_blank" rel="nofollow">Fei Zhaofu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Beller Matthias&option=202" target="_blank" rel="nofollow">Beller Matthias;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dyson Paul J.&option=202" target="_blank" rel="nofollow">Dyson Paul J.;</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>Institute of Chemical Sciences and Engineeringécole Polytechnique Fedérale de Lausanne (EPFL)1015 Lausanne Switzerland;</p> <p>Leibniz-Institute for CatalysisAlbert Einstein Str. 29a 18059 Rostock Germany;</p> <p>Leibniz-Institute for CatalysisAlbert Einstein Str. 29a 18059 Rostock Germany;</p> <p>Institute of Chemical Sciences and Engineeringécole Polytechnique Fedérale de Lausanne (EPFL)1015 Lausanne Switzerland;</p> <p>Leibniz-Institute for CatalysisAlbert Einstein Str. 29a 18059 Rostock Germany;</p> <p>Institute of Chemical Sciences and Engineeringécole Polytechnique Fedérale de Lausanne (EPFL)1015 Lausanne Switzerland;</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=amines&option=203" rel="nofollow">amines;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=cobalt&option=203" rel="nofollow">cobalt;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=dehydrogenation&option=203" rel="nofollow">dehydrogenation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=heterogeneous catalysis&option=203" rel="nofollow">heterogeneous catalysis;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=imines&option=203" rel="nofollow">imines;</a> </p> <div class="translation"> 机译：胺;钴;脱氢;异质催化;亚胺; 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interface and a magnetic core containing the nanoparticles</a> <b>[P]</b> . <span> 外国专利：  US9800095B2 </span> <span> . 2017-10-24</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：具有功能性金属硅酸盐核壳界面和包含该纳米颗粒的磁核的核壳超顺磁性铁钴合金纳米颗粒 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130415875894.html">CORE SHELL SUPERPARAMAGNETIC IRON COBALT ALLOY NANOPARTICLES WITH FUNCTIONAL METAL SILICATE CORE SHELL INTERFACE AND A MAGNETIC CORE CONTAINING THE NANOPARTICLES</a> <b>[P]</b> . <span> 外国专利：  US2015294775A1 </span> <span> . 2015-10-15</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：具有功能性金属硅酸盐核壳界面和含有纳米颗粒的磁芯的核壳超顺磁性铁钴纳米颗粒 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" 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