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25021-61-8

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25021-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25021-61-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,0,2 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25021-61:
(7*2)+(6*5)+(5*0)+(4*2)+(3*1)+(2*6)+(1*1)=68
68 % 10 = 8
So 25021-61-8 is a valid CAS Registry Number.

25021-61-8Relevant articles and documents

Nickel Catalysis Enables Oxidative C(sp2)–H/C(sp2)–H Cross-Coupling Reactions between Two Heteroarenes

Cheng, Yangyang,Wu, Yimin,Tan, Guangyin,You, Jingsong

, p. 12275 - 12279 (2016)

Nickel can be used to promote oxidative C(sp2)?H/C(sp2)?H cross-coupling between two heteroarenes. The reaction scope can be extended to aromatic carboxamides as the coupling partner. The reaction exhibits high functional-group compatibility and broad substrate scope. The silver oxidant can be recycled to reduce costs and waste, which is very useful for practical applications.

Ferrocenyl palladacycles derived from unsymmetrical pincer-type ligands: Evidence of Pd(0) nanoparticle generation during the Suzuki-Miyaura reaction and applications in the direct arylation of thiazoles and isoxazoles

Maji, Ankur,Singh, Anshu,Mohanty, Aurobinda,Maji, Pradip K.,Ghosh, Kaushik

supporting information, p. 17083 - 17096 (2019/11/26)

A new family of ferrocenyl-palladacycle complexes Pd(L1)Cl (Pd1) and Pd(L2)Cl (Pd2) were synthesized and characterized by UV-visible, IR, ESI-MS, and NMR spectral studies. The molecular structures of Pd1 and Pd2 were determined by X-ray crystallographic studies. Palladacycle catalyzed Suzuki-Miyaura cross-coupling reactions were investigated utilizing the derivatives of phenylboronic acids and substituted chlorobenzenes. Mechanistic investigation authenticated the generation of Pd(0) nanoparticles during the catalytic cycle and the nanoparticles were characterized by XPS, SEM and TEM analysis. Direct C-H arylation of thiazole and isoxazole derivatives employing these ferrocenyl-palladacycle complexes was examined. The reaction model for the arylation reaction implicating the in situ generation of Pd(0) nanoparticles was proposed.

A convenient phosphine-free palladium-catalyzed direct arylation of thiazole under mild aerobic conditions

He, Xiao-Xi,Li, Yan-Fang,Huang, Ju,Shen, Dong-Sheng,Liu, Feng-Shou

, p. 58 - 66 (2015/12/30)

A series of bulky amine palladium complexes {[(Ar-NH2)2PdCl2]} were synthesized and characterized. The catalytic activity of the palladium complexes was evaluated via the direct C-H arylation of thiazoles with aryl bromide

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