<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hassina Harkat</style></author><author><style face="normal" font="default" size="100%">Sophie Borghèse</style></author><author><style face="normal" font="default" size="100%">Nigris, Matteo</style></author><author><style face="normal" font="default" size="100%">Serguei Kiselev</style></author><author><style face="normal" font="default" size="100%">Valérie Bénéteau</style></author><author><style face="normal" font="default" size="100%">Patrick Pale</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">ChemInform Abstract: Zeo-Click Synthesis: Copper-Zeolite-Catalyzed Synthesis of Ynamides.</style></title><secondary-title><style face="normal" font="default" size="100%">Advanced Synthesis &amp; Catalysis</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year><pub-dates><date><style  face="normal" font="default" size="100%">12</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://onlinelibrary.wiley.com/doi/10.1002/adsc.201400189</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">356</style></volume><pages><style face="normal" font="default" size="100%">3842-3848</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p style=&quot;text-align: justify;&quot;&gt;
	Copper(I)-zeolites, especially copper(I)-ultra stable Y zeolite (USY), are very efficient heterogeneous catalysts for the coupling of functionalized 1-bromoalkynes and various nitrogen derivatives. Under these conditions, sulfonylated alkyl- or arylamines and various N-heterocycles, such as oxazolidinones or indoles, could be efficiently transformed into the corresponding&amp;nbsp;&lt;i&gt;N&lt;/i&gt;-alkynyl derivatives. However, imidazoles gave addition products rather than coupling products. The reaction conditions proved compatible with a variety of functional and protecting groups. Such zeolitic catalysts can be recycled and reused at least five times without significant deactivation. Low catalyst loading could be used (4 mol%) and as low as&amp;nbsp;&lt;i&gt;0.8 mol%&lt;/i&gt;&amp;nbsp;of this heterogeneous copper catalyst still gave good conversion and yields.
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