5-<span class="math"><math><mtext>Exo</mtext></math></span>-Trig vs 6-<span class="math"><math><mtext>Endo</mtext></math></span>-Trig α-acyliminium ion-olefin cyclisations stereoselective synthesis of 7-(1-formyloxy-pent-1-yl)-1-aza-4-oxa-spiro[4.5]decane-2-ones期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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5- $Exo$ -Trig vs 6- $Endo$ -Trig α-acyliminium ion-olefin cyclisations stereoselective synthesis of 7-(1-formyloxy-pent-1-yl)-1-aza-4-oxa-spiro[4.5]decane-2-ones

Authors:	HE Schoemaker C Kruk WN Speckamp

Institution:	Laboratory of Organic Chemistry, University of Amsterdam, Nieuwe Achtergracht 129, 1019 WS Amsterdam, The Netherlands

Abstract:	The two C₆, C₇ $trans$ substituted title compounds have been synthesized via stereoselective 5- $Exo$ -Trig ringclosures starting from (E)-resp. (Z)-4-nonene-1-yl bromide and 3,5-morpholinedione.

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