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876366-44-8

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876366-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 876366-44-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,6,3,6 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 876366-44:
(8*8)+(7*7)+(6*6)+(5*3)+(4*6)+(3*6)+(2*4)+(1*4)=218
218 % 10 = 8
So 876366-44-8 is a valid CAS Registry Number.

876366-44-8Downstream Products

876366-44-8Relevant articles and documents

Formamides derived from N-methyl amino acids serve as new chiral organocatalysts in the enantioselective reduction of aromatic ketimines with trichlorosilane

Malkov, Andrei V.,Ston?ius, Sigitas,MacDougall, Kenneth N.,Mariani, Andrea,McGeoch, Grant D.,Ko?ovsky, Pavel

, p. 264 - 284 (2007/10/03)

Asymmetric reduction of N-aryl ketimines 1a-k, 43, and 45 with trichlorosilane can be catalyzed by new N-methyl l-amino acid-derived Lewis-basic organocatalysts, such as the valine-derived bisamide 3d (10 mol%), in toluene at room temperature with high enantioselectivity (≤92% ee). The structure-reactivity investigation shows that the product configuration is controlled by the nature of the side chain of the catalyst scaffold (e.g., i-Pr vs Me, as in 3d and 6e), so that catalysts of the same absolute configuration may induce the formation of the opposite enantiomers of the product. Arene-arene interactions between the catalyst and the incoming imine appear to be the prerequisite for asymmetric induction. This metal-free, organocatalytic protocol is competitive with the traditional, metal-catalyzed methodology.

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