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474925-63-8

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474925-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 474925-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,9,2 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 474925-63:
(8*4)+(7*7)+(6*4)+(5*9)+(4*2)+(3*5)+(2*6)+(1*3)=188
188 % 10 = 8
So 474925-63-8 is a valid CAS Registry Number.

474925-63-8Relevant articles and documents

Enantioselective Conjugate Addition of 2-Acylimidazoles with Nitroalkenes Promoted by Chiral-at-Metal Rhodium(III) Complexes

Thota, Ganesh Kumar,Sun, Gui-Jun,Deng, Tao,Li, Yi,Kang, Qiang

, p. 1094 - 1098 (2018)

An enantioselective conjugate addition of 2-acylimidazoles with nitroalkenes catalyzed by chiral-at-metal rhodium(III) complex under mild reaction conditions was developed, affording versatile γ-nitro ketone skeletons in good yields with excellent enantioselectivities (up to >99% ee). (Figure presented.).

DNA-based catalytic enantioselective Michael reactions in water

Coquiere, David,Feringa, Ben L.,Roelfes, Gerard

, p. 9308 - 9311 (2008/12/22)

High, but not dry: A highly enantioselective Michael reaction in water has been developed by using a simple DNA-based catalyst. Enantioselectivities of up to 99% ee could be obtained by using nitromethane and dimethyl malonate as the nucleophiles and αf,β-unsaturated 2-acylimidazoles as the Michael acceptors. The reactions can be performed on a preparative scale and the catalyst can be recycled. (Chemical Equation Presented).

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