Methyl Cis-2-Hexenoate置于六甲基磷酰三胺,正丁基锂,四氯苯醌,二异丙胺体系中,用 四氢呋喃,正己烷,二氯甲烷 作为反应溶剂,化学反应 0.67H,反应生成 山梨酸甲酯
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摘要:Reaction Of Certain Geometrically Defined 1,1-Dioxy-4-Alkyl-And-4,4-Dialkyl-Substituted Buta-1,3-Dienes With Halogenated Quinones Does Not Involve Diels-Alder Or Michael Addition Chemistry. Instead,Rapid Competitive Oxidation Of The Dienes To Give 2,4-Dienoate Esters Was Observed. This New Reaction Involves Strong Spatial Association Between Diene And Quinone,Hydrogen Being Transferred Specifically From The (4E)-Alkyl Group. Its Scope Is Compared With Addition Of The Same Terminally Substituted Dienes Towards The Reactive Non-Quinonoid Dienophile Tetracyanoethylene.
DOI:10.1071/ch00027