反式-1,2-双(3,5-二甲氧基苯基)乙烯
trans-1,2-Bis(3,5-dimethoxy-phen-yl)ethene.
作者信息
Ritter Stefanie, Neudörfl Jörg-M, Velder Janna, Schmalz Hans-Günther
机构信息
Department für Chemie der Universität zu Köln, Greinstrasse 4, 50939 Köln, Germany.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Aug 15;65(Pt 9):o2150. doi: 10.1107/S160053680903116X.
Abstract
The title compound, C(18)H(20)O(4), was prepared in high yield from 3,5-dimethoxy-styrene via a Ru-catalysed homo-olefin metathesis. Exclusive formation of the E-configurated isomer was observed. Inter-estingly, one symmetric unit contains two mol-ecules adopting an s-syn-anti and and an all-s-anti conformation.
摘要
标题化合物C(18)H(20)O(4)由3,5-二甲氧基苯乙烯通过钌催化的均相烯烃复分解反应高产率制备。观察到仅生成E构型异构体。有趣的是，一个对称单元包含两个分子，分别采取s-syn-anti构象和全s-anti构象。
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