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1005759-28-3

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1005759-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1005759-28-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,7,5 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1005759-28:
(9*1)+(8*0)+(7*0)+(6*5)+(5*7)+(4*5)+(3*9)+(2*2)+(1*8)=133
133 % 10 = 3
So 1005759-28-3 is a valid CAS Registry Number.

1005759-28-3Downstream Products

1005759-28-3Relevant articles and documents

Aryl triflates: Useful coupling partners for the direct arylation of heteroaryl derivatives via Pd-catalyzed C-H activation-functionalization

Roger, Julien,Doucet, Henri

, p. 169 - 174 (2008/09/20)

Aryl triflates were found to be suitable partners for the palladium catalyzed direct arylation of heteroaromatics via C-H activation- functionalization. The reaction conditions and the catalyst have a determining influence on the yields. The system combining PPh3 and Pd(OAc) 2 using KOAc as base and DMF as solvent promotes the selective 2- or 5-arylations in moderate to high yields. Several heteroaromatics such as furan, thiophene, thiazole or oxazole derivatives have been employed successfully. The electronic properties of the aryl triflates also have a decisive influence on the yields of the coupling products. Electron-rich aryl triflates gave satisfactory results, whereas the electron-poor ones led to the formation of phenols. The Royal Society of Chemistry 2008.

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