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Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
 

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate

Article DOI: 10.3791/55766-v • 06:46 min • June 21st, 2017
June 21st, 2017 •
1, 1, 2, 1, 1, 1
1College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, 2Shijiazhuang Mechanized Infantry Academy

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Resumo
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The ruthenium-catalyzed olefination of electron-deficient alkenes with allyl acetate is described here. By using aminocarbonyl as a directing group, this external oxidant-free protocol has high efficiency and good stereo- and regioselectivity, opening a novel synthetic route to (Z,E)-butadiene skeletons.

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Keywords: Olefination Electron-deficient Alkenes Allyl Acetate Ruthenium Catalyst Z,E-butadienes Acrylamide Cross-coupling Column Chromatography NMR Spectroscopy
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