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51582-75-3

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51582-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51582-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,8 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51582-75:
(7*5)+(6*1)+(5*5)+(4*8)+(3*2)+(2*7)+(1*5)=123
123 % 10 = 3
So 51582-75-3 is a valid CAS Registry Number.

51582-75-3Downstream Products

51582-75-3Relevant articles and documents

Chan-Evans-Lam Amination of Boronic Acid Pinacol (BPin) Esters: Overcoming the Aryl Amine Problem

Vantourout, Julien C.,Law, Robert P.,Isidro-Llobet, Albert,Atkinson, Stephen J.,Watson, Allan J. B.

, p. 3942 - 3950 (2016)

The Chan-Evans-Lam reaction is a valuable C-N bond forming process. However, aryl boronic acid pinacol (BPin) ester reagents can be difficult coupling partners that often deliver low yields, in particular in reactions with aryl amines. Herein, we report effective reaction conditions for the Chan-Evans-Lam amination of aryl BPin with alkyl and aryl amines. A mixed MeCN/EtOH solvent system was found to enable effective C-N bond formation using aryl amines while EtOH is not required for the coupling of alkyl amines.

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