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39740-33-5

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39740-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39740-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,4 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39740-33:
(7*3)+(6*9)+(5*7)+(4*4)+(3*0)+(2*3)+(1*3)=135
135 % 10 = 5
So 39740-33-5 is a valid CAS Registry Number.

39740-33-5Relevant articles and documents

Easy access to drug building-blocks through benzylic C-H functionalization of phenolic ethers by photoredox catalysis

Brandhofer, Tobias,Derdau, Volker,García Manche?o, Olga,Méndez, María,P?verlein, Christoph,Stinglhamer, Martin

supporting information, p. 6756 - 6759 (2021/07/13)

A visible light-mediated photocatalyzed C-C-bond forming method for the benzylic C-H functionalization of phenolether containing synthetic building blocks based on a radical-cation/deprotonation strategy is reported. This method allows the mild, selective generation of benzyl radicals in phenolic complex molecules and drug-like compounds, providing new entries in synthetic and medicinal chemistry.

Process for producing threo-3-(3,4-dihydroxyphenyl)serine

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, (2008/06/13)

Racemic or optically active threo-3-(3,4-dihydroxyphenyl)serine can be readily produced via a few short steps by a process involving the steps of reacting a racemic or optically active N-acyl DOPA derivative represented by the formula ?I!: STR1 wherein X

L-αmethyldopa and L-dopa ribosides and derivatives

Chavis,Grodenic,Imbach

, p. 219 - 227 (2007/10/02)

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