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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.

DOI:10.1107/S160053680903116X
PMID:21577559
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2969882/
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。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/46c63bb790af/e-65-o2150-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/90c68563ab80/e-65-o2150-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/568d90f23aed/e-65-o2150-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/46c63bb790af/e-65-o2150-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/90c68563ab80/e-65-o2150-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/568d90f23aed/e-65-o2150-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa2/2969882/46c63bb790af/e-65-o2150-fig3.jpg

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