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139608-41-6

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139608-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139608-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,0 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139608-41:
(8*1)+(7*3)+(6*9)+(5*6)+(4*0)+(3*8)+(2*4)+(1*1)=146
146 % 10 = 6
So 139608-41-6 is a valid CAS Registry Number.

139608-41-6Downstream Products

139608-41-6Relevant articles and documents

α-Alkoxy Ketones from the Nucleophilic Substitution on the Peroxide Bond of 3,3-Disubstituted 1,2-Dioxetanes by Enamines

Adam, Waldemar,Andler, Simone,Heil, Markus,Voerckel, Volker

, p. 2680 - 2682 (2007/10/02)

The reaction of 1,2-dioxetanes with enamines as ?-nucleophiles was investigated. 3,3-Dibenzyl-1,2-dioxetane (1) was allowed to react with enamines 2a-c in methylene chloride to afford after hydrolysis the corresponding α-alkoxylated ketones 4a-c.Additionally, the reaction of the dimedone-derived enamine 3 with dioxetane 1 yielded the oxidized enamine adduct 5.Nucleophilic attack of the enamine β-carbon (SN2 reactivity) on the sterically less hindered site of the dioxetane peroxide bond is proposed to constitute the initial step of the reaction.

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