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457602-58-3

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457602-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457602-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,0 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 457602-58:
(8*4)+(7*5)+(6*7)+(5*6)+(4*0)+(3*2)+(2*5)+(1*8)=163
163 % 10 = 3
So 457602-58-3 is a valid CAS Registry Number.

457602-58-3Relevant articles and documents

Highly diastereoselective dioxetane formation in the photooxygenation of enecarbamates with an oxazolidinone chiral auxiliary: Steric control in the [2 + 2] cycloaddition of singlet oxygen through conformational alignment

Adam, Waldemar,Bosio, Sara G.,Turro, Nicholas J.

, p. 8814 - 8815 (2002)

The photooxygenation of oxazolidinone-substituted enecarbamates leads to diastereomerically pure dioxetanes. The high diastereoselectivity is rationalized in terms of effective π-facial control achieved by shielding one side of the double bond with the ch

Indium-catalyzed coupling reaction between silyl enolates and alkyl chlorides or alkyl ethers

Nishimoto, Yoshihiro,Saito, Takahiro,Yasuda, Makoto,Baba, Akio

experimental part, p. 5462 - 5471 (2009/12/01)

The coupling reactions of alkyl chlorides with silyl enolates catalyzed by InBr3, and the coupling reactions of alkyl ethers with silyl enolates catalyzed by the combined Lewis acid of InBr3/Me3SiBr are described. In both reaction systems, various types of silyl enolates were used to give corresponding α-alkylated esters, ketones, carboxylic acids, amides, thioesters, and aldehydes.

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