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158474-18-1

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158474-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158474-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,4,7 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158474-18:
(8*1)+(7*5)+(6*8)+(5*4)+(4*7)+(3*4)+(2*1)+(1*8)=161
161 % 10 = 1
So 158474-18-1 is a valid CAS Registry Number.

158474-18-1Relevant articles and documents

One-pot, modular approach to functionalized ketones via nucleophilic addition/Buchwald-Hartwig amination strategy

De Jong, Jorn,Heijnen, Dorus,Helbert, Hugo,Feringa, Ben L.

supporting information, p. 2908 - 2911 (2019/03/17)

A general one-pot procedure for the 1,2-addition of organolithium reagents to amides followed by the Buchwald-Hartwig amination with in situ released lithium amides is presented. In this work amides are used as masked ketones, revealed by the addition of organolithium reagents which generates a lithium amide, suitable for subsequent Buchwald-Hartwig coupling in the presence of a palladium catalyst. This methodology allows for rapid, efficient and atom economic synthesis of aminoarylketones in good yields.

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