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122518-87-0

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122518-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122518-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,5,1 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122518-87:
(8*1)+(7*2)+(6*2)+(5*5)+(4*1)+(3*8)+(2*8)+(1*7)=110
110 % 10 = 0
So 122518-87-0 is a valid CAS Registry Number.

122518-87-0Relevant articles and documents

Diels-Alder additionn of the fumarate and acrylate of S-methyl lactate to α-hydroxy orthoquinodimethanes

Charlton, James L.,Plourde, Guy L.,Koh, Kevin,Secco, Anthony S.

, p. 574 - 579 (2007/10/02)

The cycloaddition of α-hydroxy orthoquinodimethane, generated photochemically from 2-methylbenzaldehyde, to the fumarate and acrylate of S-methyl lactate has been found to give a single diastereomer with high asymmetric induction (>95 percent de).This reaction provides a new and versatile synthetic route to substituted tetralins of high optical purity.A trans stereochemistry between the vicinal hydroxyl and carboxylactyl groups has been established for these cycloadducts.This is in contrast to previous work where cis stereochemistry has always been found for major cycloadducts of α-hydroxy o-QDMs.The high asymmetric induction, unusual diastereoselectivity, and the potential use of these reactions in asymmetric synthesis are discussed. - Key words: o-quinodimethanes, Diels-Alder, asymmetric, cycloaddition, induction, diastereoselective.

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