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37055-49-5

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37055-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37055-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,0,5 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 37055-49:
(7*3)+(6*7)+(5*0)+(4*5)+(3*5)+(2*4)+(1*9)=115
115 % 10 = 5
So 37055-49-5 is a valid CAS Registry Number.

37055-49-5Relevant articles and documents

Amination of Aryl Boronic Acids with Alkylnitrites: A Convenient Complement to Cu-Promoted Reductive Amination

Levitskiy, Oleg A.,Magdesieva, Tatiana V.

supporting information, p. 10028 - 10032 (2019/12/24)

Copper-catalyzed amination of aryl boronic acids with alkylnitrites leading to symmetrical diarylamines with a practical 50-80% yield was elaborated. Two C(sp2)-N bonds are formed in the one-pot process under mild conditions. This new approach to diarylamines is a complement to the Cu-assisted reductive amination of aryl boronic acids avoiding preliminary synthesis of nitrosoarenes. The possible reaction scheme based on quantum chemical calculations was suggested, clarifying key intermediates.

Factors Affecting the Stability and Equilibria of Free Radicals. 14. Unexpected Spin Densities in 1-(Trifluoroacetyl)-2,2-diarylhydrazyl Revealed by 15N Labeling

Bologa, Ursula,Balaban, Alexandru T.,Grecu, Nicoleta,Negoita, Nicolae,Caproiu, Miron T.,Walter, Robert I.

, p. 4176 - 4179 (2007/10/02)

1-(Trifluoroacetyl)-2,2-bis(3,5-di-tert-butylphenyl)hydrazyl and its congener labeled at the dicoordinated 1-nitrogen atom with 15N were prepared.ESR spectra of solutions of both compounds were recorded and hyperfine coupling constants determined by optimizing simulated spectra.Unlike all other 1,2,2-triarylhydrazyls which have been investigated, the hyperfine coupling constant for the dicoordinated nitrogen is lower (0.7 mT) than that for the tricoordinated nitrogen (1.0 mT) in this free radical.This striking result raises questions about the mode of trifluoroacetyl group participation in ? electron delocalization.

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