Potassium carbonate-mediated tandem C–S and C–N coupling reaction for the synthesis of phenothiazines under transition-metal-free and ligand-free conditions

San Wu; Wei-Ye Hu; Song-Lin Zhang

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Potassium carbonate-mediated tandem C–S and C–N coupling reaction for the synthesis of phenothiazines under transition-metal-free and ligand-free conditions

机译：碳酸钾介导的串联C-S和C-N偶联反应，用于合成过渡 - 金属和无配体条件下的吩噻嗪

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An efficient potassium carbonate-mediated tandem C–S and C–N coupling reaction between N -(2-iodophenyl)acetamides and 2-halo-benzenethiols has been developed. This protocol affords a simple and efficient approach for the construction of phenothiazine derivatives without the need for addition of transition-metal catalyst or ligand for the first time. Furthermore, the reaction can be easily performed on a large scale.

机译：已经开发了高效的碳酸钾介导的串联C-S和N - （2-碘苯基）乙酰胺和2-卤代苯硫醇之间的C-N偶联反应。该方案提供了一种简单有效的方法来构建吩噻嗪衍生物，而不需要加入过渡金属催化剂或配体。此外，可以在大规模上容易地进行反应。

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《RSC Advances》 |2016年第29期|共4页
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San Wu; Wei-Ye Hu; Song-Lin Zhang;
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1. Potassium carbonate-mediated tandem C-S and C-N coupling reaction for the synthesis of phenothiazines under transition-metal-free and ligand-free conditions [J] . Wu San, Hu Wei-Ye, Zhang Song-Lin RSC Advances . 2016,第29期

机译：碳酸钾介导的串联C-S和C-N偶联反应，用于合成过渡 - 金属和无配体条件下的吩噻嗪
2. Transition-metal-free synthesis of vinyl sulfones via tandem cross-decarboxylative/coupling reactions of sodium sulfinates and cinnamic acids [J] . Yanli Xu, Xiaodong Tang, Weigao Hu Green chemistry . 2014,第8期

机译：通过亚磺酸钠和肉桂酸的串联交叉脱羧/偶联反应，无过渡金属合成乙烯基砜
3. Nano-Iron Oxide as a Recyclable Catalyst for Intramolecular C-N Cross-Coupling Reactions under Ligand-Free Conditions: One-Pot Synthesis of 1,4-Dihydroquinoline Derivatives [J] . Xiao-Jin Wu, Ran Jiang, Bing Wu Advanced synthesis & catalysis . 2009,第18期

机译：纳米氧化铁在无配体条件下作为分子内C-N交叉偶联反应的可回收催化剂：一锅合成1,4-二氢喹啉衍生物
4. In Situ Generation of Palladium nanoparticles and Their Application in Ligand-Free Suzuki Coupling Reaction of Aryl Chlorides in Air [C] . S.N.Maobe, M.W.K.Mburu, J.K.Ndufa, Joint China/Japan chemical engineering symposium;CJCES . 2007

机译：钯纳米粒子的原位生成及其在空气中芳基氯的无配体铃木偶联反应中的应用
5. I. Tertiary aryl sulfonamides as new cross coupling partners for nickel catalyzed Kumada-Corriu-Tamao reductive and carbon-carbon bond forming cross coupling reactions. II. N-sulfonyl deprotection under mild nickel(0) catalyzed Kumada-Corriu-Tamao coupling conditions and development of the N-Ans protecting group. III. Synthesis and application of 3,3'-di-(2-pyridyl)-1,1'-bi-2-naphthol ligands [D] . Milburn, Robert Ronald 2004

机译：I.叔芳基磺酰胺作为镍催化的Kumada-Corriu-Tamao还原和碳-碳键形成交叉偶联反应的新交叉偶联伴侣。二。在温和的镍（0）下N-磺酰基脱保护催化了Kumada-Corriu-Tamao偶联条件和N-Ans保护基的发展。三， 3,3'-二-（2-吡啶基）-1,1'-bi-2-萘酚配体的合成及应用
6. Photo-Assisted Synthesis of a Pd–Ag@CQD Nanohybridand Its Catalytic Efficiency in Promoting the Suzuki–MiyauraCross-Coupling Reaction under Ligand-Free and Ambient Conditions [O] . Rajarshi Bayan, Niranjan Karak, * 2017

机译：Pd–Ag @ CQD纳米杂化物的光辅助合成及其催化铃木宫浦的催化效率无配体和环境条件下的交叉偶联反应
7. Photo-Assisted Synthesis of a Pd–Ag@CQD Nanohybrid and Its Catalytic Efficiency in Promoting the Suzuki–Miyaura Cross-Coupling Reaction under Ligand-Free and Ambient Conditions [O] . Rajarshi Bayan, Niranjan Karak 2017

机译：光谱辅助合成pd-ag @ CQD纳米混合物及其在无配体和环境条件下促进suzuki-miyaura交叉偶联反应的催化效率
8. Phase Transfer Pd(O) Catalyzed Polymerization Reactions. 1. Synthesis of 1,2-(4,4'-Dialkoxyaryl)Acetylene Monomers and 1,4-Bis(2-(4',4''-Dialkoxyphenyl)Ethynyl)Benzene Derivatives by Phase Transfer Pd(O)/Cu(I) Catalyzed Coupling Reactions. [R] . Pugh, C., Percec, V. 1990

机译：相转移pd（O）催化的聚合反应。 1.相转移pd（O）/ Cu合成1,2-（4,4'-二烷氧基芳基）乙炔单体和1,4-双（2-（4'，4'-二烷氧基苯基）乙炔基）苯衍生物（I）催化的偶联反应。

Potassium carbonate-mediated tandem C–S and C–N coupling reaction for the synthesis of phenothiazines under transition-metal-free and ligand-free conditions

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