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170891-76-6

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170891-76-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170891-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,8,9 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 170891-76:
(8*1)+(7*7)+(6*0)+(5*8)+(4*9)+(3*1)+(2*7)+(1*6)=156
156 % 10 = 6
So 170891-76-6 is a valid CAS Registry Number.

170891-76-6Relevant articles and documents

Pd(II)-catalyzed intermolecular arylation of unactivated C(sp 3)-H bonds with aryl bromides enabled by 8-aminoquinoline auxiliary

Wei, Yu,Tang, Huarong,Cong, Xuefeng,Rao, Bin,Wu, Chao,Zeng, Xiaoming

supporting information, p. 2248 - 2251 (2014/05/06)

An example of using readily available, less reactive aryl bromides as arylating reagents in the Pd(II)-catalyzed intermolecular arylation of unactivated C(sp3)-H bonds is described. This reaction was promoted by a crucial 8-aminoquinolinyl directing group and a K2CO3 base, enabling regiospecific installation of an aryl scaffold at the β-position of carboxamides. A mechanistic study by DFT calculations reveals a C(sp3)-H activation-led pathway featuring the oxidative addition as the highest energy transition state.

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