scholarly journals Gold-catalyzed Fluorination of Alkynyl Esters and Ketones: Efficient Access to Fluorinated 1,3-Dicarbonyl Compounds

2017 ◽  
Vol 359 (22) ◽  
pp. 4062-4066 ◽  
Author(s):  
Xiaojun Zeng ◽  
Zhichao Lu ◽  
Shiwen Liu ◽  
Gerald B. Hammond ◽  
Bo Xu
Keyword(s):  
Dicarbonyl Compounds ◽  
Efficient Access

scholarly journals Stereoselective Tandem Iridium-Catalyzed Alkene Isomerization-Cope Rearrangement of ω-diene Epoxides: Efficient Access to Acyclic 1,6-Dicarbonyl Compounds

2021 ◽  
Author(s):  
Rahul Suresh ◽  
Itai Massad ◽  
Ilan Marek
Keyword(s):  
Bond Cleavage ◽  
Cope Rearrangement ◽  
Dicarbonyl Compounds ◽  
Alkene Isomerization ◽  
Efficient Access

The Cope rearrangement of 2,3-divinyloxiranes, a rare example of epoxide C-C bond cleavage, results in 4,5-dihydrooxepines which are amenable to hydrolysis, furnishing 1,6-dicarbonyl compounds containing two contiguous stereocenters at the 3- and 4- positions. We employ...

scholarly journals Metal-Catalyzed Oxidative Coupling of Ketones and Ketone Enolates

Synthesis ◽  
2018 ◽  
Vol 50 (11) ◽  
pp. 2150-2162 ◽  
Author(s):  
Sandip Murarka ◽  
Andrey Antonchick
Keyword(s):  
Oxidative Coupling ◽  
Cross Coupling ◽  
Building Blocks ◽  
Dicarbonyl Compounds ◽  
Carbocyclic Compounds ◽  
Efficient Access ◽  
Ketone Enolates ◽  
Metal Catalyzed

Recent years have witnessed a significant advancement in the field of radical oxidative coupling of ketones towards the synthesis of highly useful synthetic building blocks, such as 1,4-dicarbonyl compounds, and biologically important heterocyclic and carbocyclic compounds. Besides oxidative homo- and cross-coupling of enolates, other powerful methods involving direct C(sp3)–H functionalizations of ketones­ have emerged towards the synthesis of 1,4-dicarbonyl compounds. Moreover, direct α-C–H functionalization of ketones has also allowed an efficient access to carbocycles and heterocycles. This review summarizes all these developments made since 2008 in the field of metal-catalyzed/promoted radical-mediated functionalization of ketones at the α-position.1 Introduction2 Synthesis of 1,4-Dicarbonyl Compounds3 Synthesis of Heterocyclic Scaffolds4 Synthesis of Carbocyclic Scaffolds5 Conclusion

Polycondensation of bis(α-diazo-1,3-dicarbonyl) compounds with dicarboxylic acids: an efficient access to functionalized alternating polyesters

2020 ◽  
Vol 11 (10) ◽  
pp. 1708-1712
Author(s):  
Xin Wang ◽  
Yuanli Ding ◽  
Youhua Tao ◽  
Zikun Wang ◽  
Zhen Wang ◽  
...  
Keyword(s):  
Dicarboxylic Acids ◽  
Dicarbonyl Compounds ◽  
Efficient Access

We report an efficient and mild approach to functionalized alternating polyesters on the basis of O–H insertion polycondensation of bis(α-diazo-1,3-dicarbonyl) compounds with dicarboxylic acids.

KI-catalyzed C–S bond formation via an oxidation relay strategy: efficient access to various α-thio-β-dicarbonyl compounds

2018 ◽  
Vol 16 (10) ◽  
pp. 1641-1645 ◽  
Author(s):  
Yi Jiang ◽  
Jiao-Xia Zou ◽  
Long-Tao Huang ◽  
Xue Peng ◽  
Jie-Dan Deng ◽  
...  
Keyword(s):  
Potassium Iodide ◽  
Bond Formation ◽  
Dicarbonyl Compounds ◽  
Efficient Access ◽  
Alkaline Conditions

An efficient and practical methodology to obtain α-thio-β-dicarbonyl compounds was presented under alkaline conditions via potassium iodide (KI) catalysis.

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