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1599446-26-0

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1599446-26-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1599446-26-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,9,9,4,4 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1599446-26:
(9*1)+(8*5)+(7*9)+(6*9)+(5*4)+(4*4)+(3*6)+(2*2)+(1*6)=230
230 % 10 = 0
So 1599446-26-0 is a valid CAS Registry Number.

1599446-26-0Relevant articles and documents

Reactivity of [K3(phen)8][Cu(NPh2) 2]3 - A possible intermediate in the copper(i)-catalyzed N-arylation of N-phenylaniline

Tseng, Chia-Kai,Lee, Chi-Rung,Tseng, Mei-Chun,Han, Chien-Chung,Shyu, Shin-Guang

, p. 7020 - 7027 (2014)

Complex [K3(phen)8][Cu(NPh2) 2]3 (1, phen = phenanthroline) was isolated from the catalytic C-N cross coupling reaction based on the CuI-phen-tBuOK catalytic system. Complex 1 can react with 4-iodotoluene to give 4-methyl-N,N- diphenylaniline (3a) in 50% yield (based on all available NPh2 - ligands of complex 1). In addition, 1 can also work as an effective catalyst for the C-N coupling reactions under the same reaction conditions, indicating that 1 may be an effective intermediate of the catalytic system. In the presence of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO), a radical scavenger, the stoichiometric reaction between complex 1 and 4-iodotoluene was significantly quenched to give a low yield of 12%. The results suggest that the radical path dominates in the reaction, with (phen)KNPh2 as the possible radical source. The structures of 1 and (phen)KNPh2 were both determined by single crystal X-ray diffraction studies.

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