{"id":3877,"date":"2016-02-02T15:14:00","date_gmt":"2016-02-02T14:14:00","guid":{"rendered":"http:\/\/lewin.ch.pw.edu.pl\/?p=3877"},"modified":"2016-03-29T13:00:29","modified_gmt":"2016-03-29T12:00:29","slug":"quest-for-efficient-catalysts-based-on-zinc-tert-butyl-peroxides-for-asymmetric-epoxidation-of-enones-c2-vs-c1-symmetric-auxiliaries","status":"publish","type":"post","link":"https:\/\/lewin.ch.pw.edu.pl\/?p=3877","title":{"rendered":"Cover: <i>C<sub>2<\/sub>&#8211; vs C<sub>1<\/sub><\/i>-Symmetry in Assymetric Catalysis"},"content":{"rendered":"<div><i>Adv. Synth. Catal. <\/i>, <b>2016<\/b>, <i>358<\/i>, 864\u2013868.<\/div>\n<div><\/div>\n<div><\/div>\n<p>&nbsp;<\/p>\n<div><strong><span style=\"font-size: 2em;\">Quest for Efficient Catalysts based on Zinc tert-Butyl Peroxides for Asymmetric Epoxidation of Enones: <i>C<sub>2<\/sub>- vs C<sub>1<\/sub><\/i>-Symmetric Auxiliaries<\/span><\/strong><\/div>\n<p><strong><br \/>\n<a href=\"?page_id=\"361\">Abdul Raheem Keeri<\/a>,<sup>ab<\/sup> <a href=\"?page_id=\"307\">Iwona Justyniak<\/a>,<sup>c<\/sup> Janusz Jurczak,<sup>ad<\/sup> <a href=\"?page_id=14\">Janusz Lewi\u0144ski<\/a><sup>b<\/sup><\/strong><\/p>\n<p><sup>a\u00a0<\/sup>Faculty of Chemistry, University of Warsaw, Pasteura 1, 02093 Warsaw, Poland<br \/>\n<sup>b\u00a0<\/sup>Faculty of Chemistry, Warsaw University of Technology, Noakowskiego-3, 00664 Warsaw, Poland<br \/>\n<sup>c\u00a0<\/sup>Institute of Physical Chemistry, Polish Academy of Science, Kasprzaka 44\/52, 01224 Warsaw, Poland<br \/>\n<sup>d\u00a0<\/sup>Institute of Organic Chemistry, Polish Academy of Science, Kasprzaka 44\/52, 01224 Warsaw, Poland<\/p>\n<p><strong>DOI: <\/strong> 10.1002\/adsc.201500764.<br \/>\nFirst published online 5 Jan 2016.<\/p>\n<p><b>Front Cover, Very Important Paper.<\/b><\/p>\n<p>Zinc <i>tert<\/i>-butyl peroxide-based catalysts for the asymmetric epoxidation of enones using tert-butyl hydroperoxide as an oxidant have been developed. A comparative study of chiral monoanioninc N,N\u2032-bidentate ligands, C<sub>2<\/sub>-symmetric bisoxazolinates and C<sub>1<\/sub>-symmetric enaminooxazolinates, revealed excellent performance of C<sub>1<\/sub>-symmetric auxiliary ligands on catalytic asymmetric epoxidation of enones (up to 96% yield, 91% ee).<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter  wp-image-2004\" alt=\"adsc2016c1c2\" src=\"http:\/\/lewin.ch.pw.edu.pl\/wp-content\/uploads\/2016\/03\/adsc2016cover.gif\" width=\"480\" \/><\/p>\n<p><a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/adsc.201500764\/abstract\" target=\"_blank\">Paper on the Wiley Online Library website<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adv. Synth. Catal. , 2016, 358, 864\u2013868. &nbsp; Quest for Efficient Catalysts based on Zinc tert-Butyl Peroxides for Asymmetric Epoxidation of Enones: C2- vs C1-Symmetric Auxiliaries Iwona Justyniak,c Janusz Jurczak,ad Janusz Lewi\u0144skib a\u00a0Faculty of Chemistry, University of Warsaw, Pasteura 1, 02093 Warsaw, Poland b\u00a0Faculty of Chemistry, Warsaw University of Technology, Noakowskiego-3, 00664 Warsaw, Poland c\u00a0Institute [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3926,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-3877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper"],"_links":{"self":[{"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/posts\/3877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3877"}],"version-history":[{"count":11,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/posts\/3877\/revisions"}],"predecessor-version":[{"id":3932,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/posts\/3877\/revisions\/3932"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=\/wp\/v2\/media\/3926"}],"wp:attachment":[{"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lewin.ch.pw.edu.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}