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17193-41-8

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17193-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17193-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,1,9 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17193-41:
(7*1)+(6*7)+(5*1)+(4*9)+(3*3)+(2*4)+(1*1)=108
108 % 10 = 8
So 17193-41-8 is a valid CAS Registry Number.

17193-41-8Relevant articles and documents

Asymmetric transfer hydrogenation of α-amino β-keto ester hydrochlorides through dynamic kinetic resolution

Echeverria, Pierre-Georges,Cornil, Johan,Férard, Charlène,Guérinot, Amandine,Cossy, Janine,Phansavath, Phannarath,Ratovelomanana-Vidal, Virginie

, p. 56815 - 56819 (2015/07/15)

The development of Ru-catalyzed asymmetric transfer hydrogenation of α-amino β-keto ester hydrochlorides is described. The reaction proceeds through dynamic kinetic resolution to afford anti β-hydroxy α-amino esters with good diastereomeric ratios and high enantioselectivities.

Nitrate esters in the generation of amino acid radicals

Easton, Christopher J.,Ivory, Andrew J.,Smith, Craig A.

, p. 503 - 507 (2007/10/03)

Nitrate esters, prepared by treatment of β-hydroxy-α-amino acid derivatives with nitric acid, react with tributyltin hydride to give the corresponding alkoxyl radicals. These radicals readily undergo β-scission, providing a convenient route for the regiocontrolled production of α-carbon-centred amino acid radicals. By examining the partitioning of the alkoxyl radicals between the β-scission process and the competing hydrogen transfer reaction, it has been possible to evaluate the influence of electronic and steric effects on the β-scission reaction and the formation of the carbon-centred radicals.

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