Stereo- and regiocontrol in ene-dimerisation and trimerisation of 1-trimethylsilyl-3-phenylcyclopropeneстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:1-Trimethylsilyl-3-phenylcyclopropene and its 2D-analog undergo a highly stereocontrolled ene-reaction to give a single dinner. Further reaction leads to one or more trimers derived through two ene-reactions. The dinner formed easily undergoes cycloaddition with active dienes and nitrile oxides while the trimers do not react under the same conditions. The first enantioselective example of an ene-reaction of cyclopropene derivatives using optically active 1-trimethylsilyl-3S-phenylcyclopropene is also discussed. (C) 2009 Elsevier Ltd. All rights reserved.