Palladium-Catalyzed Dehydrogenation Coupling-Cyclization Reactions of Acetylenic Acids with Iodonium Ylides for the Synthesis of 2(5H)-Furanones

Li Wen-Guang; Cai Bo; Xiao Hong-Bo; Pi Shao-Feng; Sun Han-Zhou

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Palladium-Catalyzed Dehydrogenation Coupling-Cyclization Reactions of Acetylenic Acids with Iodonium Ylides for the Synthesis of 2(5H)-Furanones

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

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摘要

A new route for the synthesis of 2(5H)-furanones is presented via Pd(PPh3)(4)-catalyzed cascade reaction of acetlenic acids with iodonium ylides using K2CO3 as the base. The cascade proceeds through dehydrogenation coupling and cyclization under mild conditions.

机译：通过以K2CO3为碱的Pd（PPh3）（4）催化的乙酸与碘鎓碘化物的级联反应，提出了一种合成2（5H）-呋喃酮的新途径。在温和条件下，级联反应通过脱氢偶联和环化反应进行。

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《Synlett》 |2016年第5期|共5页
作者
Li Wen-Guang; Cai Bo; Xiao Hong-Bo; Pi Shao-Feng; Sun Han-Zhou;
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正文语种 eng
中图分类有机化学理论、物理有机化学;
关键词
palladium; dehydrogenation; acetylenic acids; iodonium ylides; 2(5H)-furanones;

机译：钯;脱氢;炔酸;碘化碘;2（5H）-呋喃酮;

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专利

1. 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
2. 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
3. Synthesis of 4-Halo-2 ( 5H )-furanones and Their Suzuki-Coupling Reactions with Organoboronic Acids.A General Route to 4-Aryl-2 ( 5 H ) - furanones [J] . MASheng-Ming(麻生明), SHIzhang-Jie(施章杰) 中国化学（英文版） . 2001,第012期

机译：4-卤代2（5H）呋喃酮的合成及其与有机硼酸的铃木偶联反应。通向4-芳基2（5 H）呋喃酮的一般路线
4. An efficient synthesis of 2-substituted pyrrole stable phosphorus ylides from reaction between pyrrole and acetylenic esters in the presence of triphenylphosphine in water-acetone media(Abstracts) [C] . Malek Taher Maghsoodlou, Nourollah Hazeri, Sayyed Mostafa Habibi Khorassani European Symposium on Organic Chemistry . 2007

机译：在水 - 丙酮培养基中的三苯基膦（摘要）中，在吡咯和乙炔酯之间的2取代吡咯稳定磷ylides中的高效合成。
5. Exploration of alpha-Diazocarbonyl Compounds for Transition-Metal Catalyzed Carbon-Carbon Bond Formations. Development of Palladium-Catalyzed Stereoselective Synthesis of Trisubstituted Alkenes and the Synthesis of Quaternary alpha,alpha-Heterodiaryl Carboxylic Acids by Rhodium-Catalyzed Multi-Component Coupling Reactions. [D] . Tsoi, Yuk Tai. 2012

机译：探索用于过渡金属催化的碳-碳键形成的α-重氮羰基化合物。铑催化的多组分偶合反应在钯催化的立体选择性合成三取代的烯烃上的发展和季铵的α，α-杂二芳基羧酸的合成。
6. Difluoromethanesulfonyl hypervalent iodonium ylides for electrophilic difluoromethylthiolation reactions under copper catalysis [O] . Sadayuki Arimori, Okiya Matsubara, Masahiro Takada, 2016

机译：铜催化下亲电二氟甲硫基化反应的二氟甲磺酰基高价碘鎓
7. A simple synthesis of stable phosphorus ylides from reaction between triphenylphosphine and acetylenic esters in the presence of CH-acid compounds [O] . Malek Taher Maghsoodlou, Hamid Reza Shaterian, Ghasem Marandi, 2008

机译：在CH-酸化合物存在下，由三苯基膦和炔属酯之间的反应简单合成稳定的磷内鎓盐
8. Effect of beta-Cyclodextrin on Mucochloric Acid and 3-Chloro-4-(dichloromethyl)-5-hydrox-2(5H)-furanone [R] . Politzer, I. R., Crago, K. T., Benjamin, W., 1991

机译：β-环糊精对mucochloric acid和3-氯-4-（二氯甲基）-5-羟基-2（5H） - 呋喃酮的影响

Palladium-Catalyzed Dehydrogenation Coupling-Cyclization Reactions of Acetylenic Acids with Iodonium Ylides for the Synthesis of 2(5H)-Furanones

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