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.

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 Copper-catalyzed tandem reaction of 2-alkynylanilines with benzoquinones: efficient access to 3-indolylquinones

RSC Advances ◽  
2018 ◽  
Vol 8 (39) ◽  
pp. 22122-22126 ◽  
Author(s):  
Raveendra Jillella ◽  
Chang Ho Oh
Keyword(s):  
Efficient Method ◽  
Bond Formation ◽  
Tandem Reaction ◽  
Efficient Access

Copper-catalyzed domino cyclization of 2-alkynylanilines followed by C–C bond formation with quinones is an efficient method of accessing 3-indolyl quinones.

DDQ-mediated regioselective C–S bond formation: efficient access to allylic sulfides

2018 ◽  
Vol 5 (21) ◽  
pp. 3158-3162 ◽  
Author(s):  
Chunsheng Li ◽  
Jianxiao Li ◽  
Chaowei Tan ◽  
Wanqing Wu ◽  
Huanfeng Jiang
Keyword(s):  
Bond Formation ◽  
Metal Free ◽  
Efficient Access

A novel metal-free dehydrocoupling approach for constructing allylic sulfides via oxidative allylic C–H functionalization with high atom- and step-economy has been developed.

scholarly journals Alcohol-Initiated Dediazoniation of Aryldiazonium Ions to Aryl Radicals: A Simple and Efficient Route to Arylboronates

2018 ◽  
Vol 42 (9) ◽  
pp. 481-485
Author(s):  
Xiulian Zhang ◽  
Zhicheng Zhang ◽  
Yongbin Xie ◽  
Yujie Jiang ◽  
Ruibo Xu ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Bond Formation ◽  
Single Electron ◽  
Single Electron Transfer ◽  
Aryl Radical ◽  
Radical Species ◽  
Aryl Radicals ◽  
Efficient Access ◽  
Efficient Route ◽  
Operational Simplicity

A simple and efficient access to arylboronates was achieved with methanol-initiated borylation of aryldiazonium salts. Reduction of aryldiazonium ions by single electron transfer from methanol affords aryl radical species, which undergo a subsequent C–B bond formation with bis(pinacolato)diboron. This highly practical borylation process, which can be carried out on the gram-scale, enjoys operational simplicity as well as mild and catalyst-free conditions.

ChemInform Abstract: Iminoxyl Radical-Based Strategy for Intermolecular C-O Bond Formation: Cross-Dehydrogenative Coupling of 1,3-Dicarbonyl Compounds with Oximes.

ChemInform ◽  
2014 ◽  
Vol 45 (51) ◽  
pp. no-no
Author(s):  
Igor B. Krylov ◽  
Alexander O. Terent'ev ◽  
Vladimir P. Timofeev ◽  
Boris N. Shelimov ◽  
Roman A. Novikov ◽  
...  
Keyword(s):  
Bond Formation ◽  
Iminoxyl Radical ◽  
Dicarbonyl Compounds ◽  
Dehydrogenative Coupling

ChemInform Abstract: Copper-Catalyzed Oxidative C-O Bond Formation of 2-Acyl Phenols and 1,3-Dicarbonyl Compounds with Ethers: Direct Access to Phenol Esters and Enol Esters.

ChemInform ◽  
2014 ◽  
Vol 45 (43) ◽  
pp. no-no
Author(s):  
Jihye Park ◽  
Sang Hoon Han ◽  
Satyasheel Sharma ◽  
Sangil Han ◽  
Youngmi Shin ◽  
...  
Keyword(s):  
Bond Formation ◽  
Direct Access ◽  
Dicarbonyl Compounds ◽  
Enol Esters

Palladium-Catalyzed Tandem Allenyl and Aryl C–N Bond Formation: Efficient Access toN-Functionalized Multisubstituted Indoles

2012 ◽  
Vol 14 (17) ◽  
pp. 4398-4401 ◽  
Author(s):  
Bingxin Liu ◽  
Xiaohu Hong ◽  
Dong Yan ◽  
Shuguang Xu ◽  
Xiaomei Huang ◽  
...  
Keyword(s):  
Bond Formation ◽  
Efficient Access ◽  
Palladium Catalyzed
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