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1137486-80-6

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1137486-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1137486-80-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,7,4,8 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1137486-80:
(9*1)+(8*1)+(7*3)+(6*7)+(5*4)+(4*8)+(3*6)+(2*8)+(1*0)=166
166 % 10 = 6
So 1137486-80-6 is a valid CAS Registry Number.

1137486-80-6Downstream Products

1137486-80-6Relevant articles and documents

Smooth Metal-Free Photoinduced Preparation of Valuable 8-Arylxanthines

Abdulla, Havall Othman,Amin, Ahmed A.,Raviola, Carlotta,Opatz, Till,Protti, Stefano,Fagnoni, Maurizio

supporting information, p. 1448 - 1452 (2019/06/27)

A set of 8-arylxanthines was prepared under metal-free conditions and in aqueous solvents from arylazo sulfones and caffeine or theophylline. Notably, the process took place by simply exposing the reaction vessel to visible or solar light, and unreacted xanthine could be easily recovered during the purification step.

Direct arylation of n-heteroarenes with aryldiazonium salts by photoredox catalysis in water

Xue, Dong,Jia, Zhi-Hui,Zhao, Cong-Jun,Zhang, Yan-Yan,Wang, Chao,Xiao, Jianliang

supporting information, p. 2960 - 2965 (2014/03/21)

A highly effective visible light-promoted "radical-type" coupling of N-heteroarenes with aryldiazonium salts in water has been developed. The reaction proceeds at room temperature with [Ru(bpy)3]Cl 2×6 H2O as a photosensit

Phosphine-free, palladium-catalyzed arylation of heterocycles through C-H bond activation with pivalic acid as a cocatalyst

Zhao, Dongbing,Wang, Weida,Lian, Shuang,Yang, Fei,Lan, Jingbo,You, Jingsong

supporting information; experimental part, p. 1337 - 1340 (2009/09/04)

A new palladium-catalyzed methodology was developed for the direct C-arylation of azoles with a broad spectrum of aryl bromides without the presence of phosphines, the aid of CuI, or other metal additives by using pivalic acid as a cocatalyst. The method also allowed the direct C-arylation of the N-heterocycle N-oxides, and to a lesser degree, the perfluoroaromatics. It was also found that the method can not only be applied to the synthesis of 8-aryl-substituted caffeines, but also 8-arylated theophyllines and theobromines. The result showed thatthe method can tolerate an array of functional groups including ester, nitrile, nitro, aldehyde, methoxy, trifluoromethyl, fluoro, and chloro substituents, and can found its applications in a number of fields such as synthetic and medicinal chemistry both in industry and in academia.

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