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14052-18-7

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14052-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14052-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,0,5 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 14052-18:
(7*1)+(6*4)+(5*0)+(4*5)+(3*2)+(2*1)+(1*8)=67
67 % 10 = 7
So 14052-18-7 is a valid CAS Registry Number.

14052-18-7Downstream Products

14052-18-7Relevant articles and documents

NICKEL-CATALYZED AMIDATION OF BROMO- AND IODOBENZENE

Giannoccaro, Potenzo,Pannacciulli, Emiliano

, p. 119 - 128 (2007/10/02)

The carbonylation of aryl halides in the presence of p-RC6H4NH2 (R = H, CH3, Cl) or C6H5NHR (R = CH3, C2H5) and a catalytic amount of a nickel(II) or nickel(0) tertiary phosphine complex at 150 degC or above under carbon monoxide pressures is reported.Amides were obtained in high yields in reactions with p-RC6H4NH2, but with C6H5NHR compounds the expected N-alkyl benzanilides were not formed, benzanilide in low yield being formed instead.A possible catalytic cycle based on an active Ni(0)-carbonyl complex is suggested, and the observed deactivation of the catalytic system when the carbon monoxide pressure falls to 6 atm or below, is accounted for in terms of a side reaction which produces an inactive Ni(II) compound.

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