Novel Tunable CuX_2-mediated Cyclization Reaction of Cyclopropylideneacetic Acids and Esters for the Facile Synthesis of 4-Halomethyl-2(5H)-furanones and 4-Halo-5,6-dihydro-2H-pyran-2-ones

Xian Huang; Hongwei Zhou

首页> 外文期刊>Organic letters >Novel Tunable CuX_2-mediated Cyclization Reaction of Cyclopropylideneacetic Acids and Esters for the Facile Synthesis of 4-Halomethyl-2(5H)-furanones and 4-Halo-5,6-dihydro-2H-pyran-2-ones

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Novel Tunable CuX_2-mediated Cyclization Reaction of Cyclopropylideneacetic Acids and Esters for the Facile Synthesis of 4-Halomethyl-2(5H)-furanones and 4-Halo-5,6-dihydro-2H-pyran-2-ones

机译：新型可调谐CuX_2介导的环亚丙基乙酸和酯的环化反应，可轻松合成4-卤甲基-2（5H）-呋喃酮和4-卤-5,6-二氢-2H-吡喃-2-酮

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A mixture of cyclopropylideneacetic acids (or ester) and CuBr_2 (or CuI/I_2) in aqueous acetonitrile afforded 4-substituted 2(5H)-furanones or 3,4-substituted 5,6-dihydro-2H-pyran-2-ones in moderate to good yields. The selectivity of the reaction greatly depended on the reaction temperature

机译：乙腈水溶液中的环丙叉基乙酸（或酯）和CuBr_2（或CuI / I_2）的混合物提供4-取代的2（5H）-呋喃酮或3,4-取代的5,6-二氢-2H-吡喃-2-酮中等至良好的产量。反应的选择性很大程度上取决于反应温度

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《Organic letters》 |2002年第25期|共4页
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Xian Huang; Hongwei Zhou;
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1. Novel Tunable CuX_2-mediated Cyclization Reaction of Cyclopropylideneacetic Acids and Esters for the Facile Synthesis of 4-Halomethyl-2(5H)-furanones and 4-Halo-5,6-dihydro-2H-pyran-2-ones [J] . Xian Huang, Hongwei Zhou Organic letters . 2002,第25期

机译：新型可调谐CuX_2介导的环亚丙基乙酸和酯的环化反应，可轻松合成4-卤甲基-2（5H）-呋喃酮和4-卤-5,6-二氢-2H-吡喃-2-酮
2. Palladium-Catalyzed Dehydrogenation Coupling-Cyclization Reactions of Acetylenic Acids with Iodonium Ylides for the Synthesis of 2(5H)-Furanones [J] . Li Wen-Guang, Cai Bo, Xiao Hong-Bo, Synlett . 2016,第5期

机译：钯催化的乙炔酸与碘鎓盐的脱氢偶联-环化反应合成2（5H）-呋喃酮
3. Synthesis of 4-Halo-2 (5H)-furanones and their Suzuki-Cou- pling Reactions with Organoboronic Acids. A general Route to 4-Aryl-1 (5H-furanones [J] . Ma Sheng-Ming, Shi Zhang-Jie Chinese Journal of Chemistry . 2001,第12期

机译：4-Halo-2（5H）-呋喃酮的合成及其与有机硼酸的铃木偶联反应。通往4-芳基-1（5H-呋喃酮的一般路线
4. A facile synthesis of diastereoisomeric sulfur containing stable 1,4-diionic organophosphorus compounds through the reaction of 1,3-diethyl-2- thiobarbituric acid and activated acetylenic esters in the presence of triphenylphosphine(Abstracts) [C] . Nourollah Hazeri, Malek Taher Maghsoodlou, Sayyed Mostafa Habibi Khorassani European Symposium on Organic Chemistry . 2007

机译：通过1,3-二乙基-2-硫脲脲酸和在三苯基膦（摘要）存在下，通过1,3-二乙基-2-硫脲脲酸和活化的乙炔酯的反应，含有稳定的1,4-二硫酸有机磷化合物的非对映异构体硫的合成。
5. THE MECHANISM OF LEWIS ACID CATALYZED ENE REACTIONS. LEWIS ACID CATALYZED INTER- AND INTRAMOLECULAR (2+2) CYCLOADDITIONS OF CONJUGATED ALLENIC ESTERS TO ALKENES. THE REGIOCHEMISTRY OF TRIETHYLAMINE DEPROTONATION OF ALPHA, BETA-UNSATURATED ACID CHLORIDES TO FORM VINYLKETENES. ATTEMPTED SYNTHESIS OF ALPHA-BOURBONENE. [D] . RON, EYAL. 1987

机译：路易斯酸催化的烯反应的机理。路易斯酸将共轭的烯丙基酯间和分子内（2 + 2）的循环负载成烯烃。乙酰胺，β-不饱和酸氯化物形成乙烯基酮的三乙胺质子化反应的区域化学。尝试合成Alpha-Bourbonene。
6. Facile Route to the Synthesis of 13-Diazahetero-Cycle-Fused12-aQuinoline Derivatives via Cascade Reactions [O] . Liang Chen, Rong Huang, Ling-Bin Kong, 2018

机译：13-二氮杂杂环合成的简便方法级联反应的12-a喹啉衍生物
7. Facile and Effective Copper-Mediated Cyclization Reaction of Cyclopropylideneacetic Acids (or Esters) and Cyclopropylideneacetonitriles [O] . -1

机译：环丙基乙酸（或酯）和环丙基乙二腈的容易和有效的铜介导的环化反应

Novel Tunable CuX_2-mediated Cyclization Reaction of Cyclopropylideneacetic Acids and Esters for the Facile Synthesis of 4-Halomethyl-2(5H)-furanones and 4-Halo-5,6-dihydro-2H-pyran-2-ones

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